6022119
Pregunta 1
Pregunta
Question: 1 You perform differential incremental level 1 backups of your database on each working day and level 0 backup on Sundays, to tape. Which two statements are true about differential incremental backups? (Choose two.)
Respuesta
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A. The backup performed on Sundays contains all the blocks that have ever been used in the database
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B. The backup performed on Sundays contains all the blocks that have changed since the last level 1 backup
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C. The backup performed on each working day contains all the blocks that have changed since the last level 0 backup.
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D. The backup performed on Monday contains all the blocks that have changed since the level 0 backup, and every other working day contains all the blocks that have changed since the level 1 backup
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Image:Screenshot 1 (image/png)
Pregunta 2
Pregunta
Question: 2 View the Exhibit to examine the output produced by the following query at three different times since the database instance started and has experienced workloads of different capacities:
SQL> SELECT substr(component, 0, 10) COMP, current_size CS, user_specified_size US FROM v$memory_dynamic_components WHERE current_size!=0;
What do you infer from this?
Respuesta
-
A. The database instance is running with manual PGA management
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B. The database instance is running with manual shared memory management.
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C. The database instance has the MEMORY_TARGET value set to a nonzero value.
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D. All sessions are connected to the database instance in dedicated mode, and no RMAN or parallel query operations have been performed.
Pregunta 3
Pregunta
Question: 3. Identify two situations in which you can use Data Recovery Advisor for recovery. (Choose two.)
Respuesta
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A. The database files are corrupted when the database is open
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B. The user has dropped an important table that needs to be recovered.
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C. The archived redo log files are missing for which the backup is not available.
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D. The database is not opening because the required database files are missing.
Pregunta 4
Pregunta
Question: 4
You have two tables with referential integrity enforced between them. You need to insert data to
the child table first because it is going to be a long transaction and data for the parent table will be
available in a later stage, which can be inserted as part of the same transaction. View the Exhibit
to examine the commands used to create tables. Which action would you take to delay the
referential integrity checking until the end of the transaction?
Respuesta
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A. Set the constraint to deferred before starting the transaction.
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B. Alter the constraint to NOVALIDATE state before starting the transaction.
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C. Enable the resumable mode for the session before starting the transaction.
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D. Set the COMMIT_WAIT parameter to FORCE_WAIT for the session before starting the transaction.
Pregunta 5
Pregunta
Question: 5
Your database is open and the LISTENER listener is running. The new DBA of the system stops
the listener by using the command:
LSNRCTL> STOP
What happens to the sessions that are presently connected to the database instance?
Respuesta
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A. The sessions are able to perform only queries.
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B. The sessions are not affected and continue to function normally
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C. The sessions are terminated and the active transactions are rolled back.
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D. The sessions are not allowed to perform any operations till the listener is started.
Pregunta 6
Pregunta
Question: 6
You executed this command to create a temporary table:
SQL> CREATE GLOBAL TEMPORARY TABLE report_work_area (startdate DATE, enddate
DATE,
class CHAR(20)) ON COMMIT PRESERVE ROWS;
Which statement is true about the rows inserted into the REPORT_WORK_AREA table during a transaction?
Respuesta
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A. The rows stay in the table only until session termination.
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B. The rows stay in the table only until the next transaction starts on the table.
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C. The rows are visible to all current sessions after the transaction is committed.
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D. The rows stay available for subsequent sessions after the transaction is committed.
Pregunta 7
Pregunta
Question: 7
In which of the scenarios will the DBA perform recovery? (Choose all that apply.)
Respuesta
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A. The alert log file is corrupted.
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B. A tablespace is accidentally dropped.
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C. One of the redo log members is corrupted.
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D. A database user terminates the session abnormally.
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E. The hard disk on which the data file is stored is corrupted.
Pregunta 8
Pregunta
Question: 8
Note the following structures in your database server:
1. Extents
2. OS Blocks
3. Tablespace
4. Segments
5. Oracle Data Block
Which option has the correct arrangement of these structures from the smallest to the largest?
Respuesta
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A. 2, 5, 1, 4, 3
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B. 1, 2, 3, 4, 5
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C. 5, 2, 1, 3, 4
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D. 2, 1, 5, 4, 3
Pregunta 9
Pregunta
Question: 9
You are working on an instance started using the SPFILE. You want to move the Flash Recovery
Area of your database to a new location. You want the Flashback log files to be stored in the new
location. Given below are the steps to accomplish the task in random order:
1) Shut down the instance.
2) Change the value of the DB_RECOVERY_FILE_DEST initialization parameter to a new value.
3) Execute the ALTER DATABASE FLASHBACK OFF command.
4) Start up the instance and mount the database.
5) Execute the ALTER DATABASE FLASHBACK ON command.
6) Open the database.
Select the correct order in which these tasks need to be performed.
Respuesta
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A. 2, 1, 4, 3, 5, 6
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B. 1, 4, 3, 2, 6, 5
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C. 1, 4, 2, 6, 3, 5
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D. 3, 2, 1, 4, 5, 6
Pregunta 10
Pregunta
Question: 10
A user, who is authenticated externally, logs in to a remote machine and connects to the
database instance. What action would you take to ensure that a user cannot connect to the
database instance by merely logging in to a remote machine?
Respuesta
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A. Set REMOTE_OS_ROLES to FALSE.
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B. Set the OS_ROLES parameter to FALSE.
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C. Set the REMOTE_OS_AUTHENT parameter to FALSE.
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D. Set the REMOTE_LOGIN_PASSWORD_FILE parameter to NONE.
Pregunta 11
Pregunta
Question: 11
Your database instance is started using the server parameter file (SPFILE). You executed a
command to change the value of the LOG_BUFFER initialization parameter:
ALTER SYSTEM SET LOG_BUFFER=32M SCOPE=BOTH;
What would be the outcome of this command?
Respuesta
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A. The command succeeds only if Automatic Memory Management is not enabled.
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B. The command succeeds, but you need to restart the database for changes to take effect.
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C. The command returns an error because the size of the redo log buffer cannot be changed dynamically.
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D. The parameter value is changed and it comes into effect as soon as space becomes available in the System Global Area (SGA).
Pregunta 12
Pregunta
Question: 12
The database instance is currently using SPFILE. View the Exhibit and examine the error that you
received while running the DB Structure Integrity check. Given below are the steps to recover
from the error in random order:
1. Shut down the instance, if not already done.
2. Copy one of the remaining control files to a new location.
3. Change the value of the CONTROL_FILES initialization parameter to correspond to the new
location of the control files.
4. Start up the database instance to the NOMOUNT stage.
5. Recover the database to the point of failure of the control file.
6. Open the database.
Identify the correct sequence of steps?
Respuesta
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A. 1, 2, 4, 3, 5, 6
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B. 2, 4, 3, 5, 6; 1 not required
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C. 4, 5, 6, 2, 3; 1 not required
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D. 5, 2, 3, 4; 1 and 6 not required
Pregunta 13
Pregunta
Question: 13
View the Exhibit and examine the parameters. User A executes the following command to update
the TRANS table:
SQL> UPDATE B.trans SET tr_amt=tr_amt+500 WHERE c_code='C005';
Before user A issues a COMMIT or ROLLBACK command, user B executes the following
command on the TRANS table:
SQL> ALTER TABLE trans MODIFY (tr_type VARCHAR2(3));
What would happen in this scenario?
Respuesta
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A. The ALTER TABLE command modifies the column successfully.
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B. The DDL operation gets higher priority and transaction for user A is rolled back.
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C. The ALTER TABLE command waits indefinitely until user A ends the transaction.
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D. The ALTER TABLE command fails after waiting for 60 seconds due to the resource being busy.
Pregunta 14
Pregunta
Question: 14
View the Exhibit to examine the details for an incident. Which statement is true regarding the
status of the incident?
Respuesta
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A. The DBA is working on the incident and prefers that the incident be kept in the ADR.
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B. The incident is now in the Done state and the ADR can select the incident to be purged.
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C. The incident has been newly created and is in the process of collecting diagnostic information.
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D. The data collection for the incident is complete and the incident can be packaged and sent to Oracle Support.
Pregunta 15
Pregunta
Question: 15
User A executes the following command to drop a large table in your database:
SQL> DROP TABLE trans;
While the drop table operation is in progress, user B executes the following command on the
same table:
SQL> DELETE FROM trans WHERE tr_type='SL';
Which statement is true regarding the DELETE command?
Respuesta
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A. It fails to delete the records because the records are locked in SHARE mode.
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B. It deletes the rows successfully because the table is locked in SHARE mode.
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C. It fails to delete the records because the table is locked in EXCLUSIVE mode.
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D. It deletes the rows successfully because the table is locked in SHARE ROW EXCLUSIVE mode.
Pregunta 16
Pregunta
Question: 16
Which is the correct description of a pinned buffer in the database buffer cache?
Respuesta
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A. The buffer is currently being accessed.
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B. The buffer is empty and has not been used.
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C. The contents of the buffer have changed and must be flushed to the disk by the DBWn process.
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D. The buffer is a candidate for immediate aging out and its contents are synchronized with the block contents on the disk.
Pregunta 17
Pregunta
Question: 17
View the Exhibit.
Which statements are true regarding the USERS tablespace? (Choose all that apply.)
Respuesta
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A. A bitmap is used to record free extents.
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B. Free extents information is managed within the tablespace.
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C. Free extents information is managed in the SYSAUX tablespace.
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D. The data dictionary tables are updated when extents are allocated or deallocated.
Pregunta 18
Pregunta
Question: 18
You are working on a new Oracle Database 11g server, where only the ‘;llsoftware is installed
and no database is created. You plan to create a database on this server using the Database
Configuration Assistant (DBCA). Some of the requirements set for your database creation task
are:
1. Configure the database to operate in shared server mode.
2. Disable automatic maintenance tasks such as optimizer statistics collection.
3. Configure a naming method to help the remote user connect to the database instance.
4. Use Automatic Storage Management (ASM) for storing the database files.
5. Configure daily database backup to flash recovery area.
6. Configure Enterprise Manager Database Control to manage the database.
Which of these requirements can be met while creating the database?
Respuesta
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A. 4 and 6
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B. 2, 3, 4, and 6
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C. 1, 2, 4, 5, and 6
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D. 1, 2, 3, 4, 5, and 6
Pregunta 19
Pregunta
Question: 19
Examine the following output:
SQL> SELECT index_name,status FROM dba_indexes WHERE status='UNUSABLE';
INDEX_NAME STATUS
------------------------------ -----------
EIND UNUSABLE
Which two statements about the above index are true? (Choose two.)
Respuesta
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A. It is ignored by the query optimizer.
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B. It is not used while the index is being rebuilt.
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C. The index cannot be rebuilt, and has to be re-created.
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D. The index is automatically rebuilt when used the next time.
Pregunta 20
Pregunta
Question: 20
View the Exhibit to examine the error that occurred during the database startup. You opened an
RMAN session for the database. To repair the failure, you executed the following command as
the first RMAN command:
RMAN>REPAIR FAILURE;
Which statement describes the consequence of this command?
Respuesta
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A. The command performs the recovery and closes the failure.
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B. The command only displays the advice and the RMAN script required for recovery.
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C. The command executes the RMAN script to repair the failure and remove the entry from the Automatic Diagnostic Repository (ADR).
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D. The command produces an error because the ADVISE FAILURE command was not executed before the REPAIR FAILURE command.
Pregunta 21
Pregunta
Question: 21
View the Exhibit to examine the output for the CROSSCHECK BACKUP command. Which
statement is true about the output of the command?
Respuesta
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A. The backup piece is expired as the new backup is available.
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B. The backup piece is expired because the operating-system file was not found.
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C. The backup piece is expired because the retention period for the backup has expired.
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D. The backup piece is expired because the backup set to which it belongs is not complete.
Pregunta 22
Pregunta
Question: 22
What can you achieve by implementing reverse key index?
Respuesta
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A. Reverse the bytes of each column indexed including the row ID.
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B. Store a bitmap for each key value instead of a list of row IDs in the leaf node.
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C. Prevent contention on the highest leaf block when using sequences to generate keys.
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D. Remove repeated key values from the index to fit more index entries in a given amount of disk space.
Pregunta 23
Pregunta
Question: 23
Which two statements are true regarding undo tablespaces? (Choose two.)
Respuesta
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A. The database can have more than one undo tablespace.
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B. The UNDO_TABLESPACE parameter is valid in both automatic and manual undo management.
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C. Undo segments automatically grow and shrink as needed, acting as circular storage buffer for their assigned transactions.
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D. An undo tablespace is automatically created if the UNDO_TABLESPACE parameter is not set and the UNDO_MANAGEMENT parameter is set to AUTO during the database instance start up.
Pregunta 24
Pregunta
Question: 24
You want to move all objects of the APPS user in the test database to the DB_USER schema of
the production database. Which option of IMPDP would you use to accomplish this task?
Respuesta
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A. FULL
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B. SCHEMAS
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C. TRANSFORM
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D. REMAP_SCHEMA
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E. REMAP_TABLESPACE
Pregunta 25
Pregunta
Question: 25
For which database operation would you need the database to be in the MOUNT state?
Respuesta
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A. Renaming the control files
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B. Re-creating the control files
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C. Dropping a user in your database
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D. Dropping a tablespace in your database
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E. Configuring the database instance to operate in the ARCHIVELOG or NOARCHIVELOG modes
Pregunta 26
Pregunta
Question: 26
Identify the two situations in which the alert log file is updated with details. (Choose two.)
Respuesta
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A. Running a query on a table returns "ORA-600: Internal Error."
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B. Inserting a value in a table returns "ORA-01722: invalid number."
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C. Creating a table returns "ORA-00955: name is already used by an existing object."
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D. Inserting a value in a table returns "ORA-00001: unique constraint (SYS.PK_TECHP) violated."
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E. Rebuilding an index using ALTER INDEX ...REBUILD fails with an error "ORA-01578: ORACLE data block corrupted (file # 14, block # 50)."
Pregunta 27
Pregunta
Question: 27
Which two statements are true regarding Oracle Data Pump? (Choose two.)
Respuesta
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A. EXPDP and IMPDP are the client components of Oracle Data Pump
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B. DBMS_DATAPUMP PL/SQL packages can be used independently of the Data Pump clients.
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C. Oracle Data Pump export and import operations can be performed only by users with the SYSDBA privilege.
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D. Oracle Data Pump imports can be done from the export files generated in the Original Export Release 9.x.
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E. EXPDP and IMPDP use the procedures provided by DBMS_METADATA to execute export and import commands.
Pregunta 28
Pregunta
Question: 28
Which two statements are true about the Automatic Database Diagnostic Monitor (ADDM)?
(Choose two.)
Respuesta
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A. The ADDM requires at least four AWR snapshots for analysis.
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B. The ADDM runs after each AWR snapshot is collected automatically by MMON.
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C. The results of the ADDM analysis are stored in the Automatic Workload Repository (AWR).
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D. The ADDM analysis provides only diagnostic information but does not provide recommendations.
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E. The ADDM calls other advisors if required, but does not provide recommendations about the advisors.
Pregunta 29
Pregunta
Question: 29
Examine the command:
SQL> ALTER USER skd ACCOUNT LOCK;
Which two statements are true after the command is executed? (Choose two.)
Respuesta
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A. The SKD user cannot log in to the database instance.
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B. The objects owned by the SKD user are not accessible to any user.
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C. The other users can access the objects owned by the SKD user, on which they have access.
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D. The password for the SKD user expires and the user is forced to change the password at the next log in.
Pregunta 30
Pregunta
Question: 30
You notice that the performance of the database has degraded because of frequent checkpoints.
Which two actions resolve the issue? (Choose two.)
Respuesta
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A. Disable automatic checkpoint tuning.
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B. Check the size of the redo log file size and increase the size if it is small.
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C. Set the FAST_START_MTTR_TARGET parameter as per the advice given by the MTTR Advisor.
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D. Decrease the number of redo log members if there are more than one redo log members available in each redo log group.
Pregunta 31
Pregunta
Question: 31
In a system, large online transaction processing (OLTP) jobs run during the daytime that require a
large database buffer cache. In the night, the system supports batch jobs that require a higher
value to be set for the large pool. You must simultaneously configure the memory components to
accommodate the peak requirement. What would you do to automate this configuration for the
memory components with change in mode of working?
Respuesta
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A. Set the SGA_TARGET initialization parameter to zero.
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B. Set the PRE_PAGE_SGA initialization parameter to TRUE.
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C. Set the MEMORY_MAX_TARGET initialization parameter to zero.
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D. Set the SGA_TARGET initialization parameter to a nonzero value.
Pregunta 32
Pregunta
Question: 32
You have executed this command to change the size of the database buffer cache:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE=2516582;
System altered.
To verify the change in size, you executed this command:
SQL> SHOW PARAMETER DB_CACHE_SIZE
NAME TYPE VALUE
------------------- ----------- ------------------
db_cache_size big integer 4194304
Why is the value set to 4194304 and not to 2516582?
Respuesta
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A. Because 4194304 is the granule size
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B. Because 4194304 is the standard block size
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C. Because 4194304 is the largest nonstandard block size defined in the database
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D. Because 4194304 is the total size of data already available in the database buffer cache
Pregunta 33
Pregunta
Question: 33
Identify two situations in which the block header grows in a data block. (Choose two.)
Respuesta
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A. When row directories need more row entries
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B. When there is row migration in the data block
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C. When there is an increase in the PCTFREE value for the data block
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D. When more transaction slots are required than are initially configured
Pregunta 34
Pregunta
Question: 34
You want to create a role to meet these requirements:
1. The role is to be protected from unauthorized usage.
2. The password of the role is not to be embedded in the application source code or stored in a
table.
Which method would you use to restrict enabling of such roles?
Respuesta
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A. Create the role with external authentication.
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B. Create the role as a secure application role.
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C. Create the role as a password-protected role.
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D. Create a role and use Fine-Grained Access Control (FGAC) to secure the role.
Pregunta 35
Pregunta
Question: 35
You are installing Oracle Database 11g on your server. During the installation Oracle Universal
Installer (OUI) prompts you to enter the path of the inventory directory and also prompts you to
specify an operating system group name. Which statement is true in this case?
Respuesta
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A. The ORACLE_BASE parameter is not set.
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B. The installation is being performed by the root user.
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C. The operating system group that will be specified should have root user as its member.
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D. The installation is being performed without the "Create Starter Database" option selected.
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E. The operating system group that will be specified must have permission to write to the inventory directory.
Pregunta 36
Pregunta
Question: 36
You are installing Oracle Database 11g on a machine. When you run the installer, the Oracle
Universal Installer (OUI) shows the message that says one of the product-specific prerequisite
checks has failed:
Checking available swap space requirements ...
Expected result: 1512MB
Actual Result: 1018MB
Check complete. The overall result of this check is: Failed <<<<
Problem: The system does not have the required swap space.
What happens to the installation in this situation?
Respuesta
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A. It can be continued.
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B. It resizes the swap space automatically when you proceed further.
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C. It can be continued, but the instance cannot be started without increasing the swap space.
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D. It shows a message saying one or more prerequisite checks have failed and the installation cannot proceed.
Pregunta 37
Pregunta
Question: 37
Examine the command:
SQL> DBMS_STATS.SET_TABLE_PREFS('SH', 'CUSTOMERS', 'PUBLISH', 'false');
Which statement describes the effect of the above command?
Respuesta
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A. Automatic statistics collection is stopped for the CUSTOMERS table.
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B. Statistics for the CUSTOMERS table are locked and cannot be overwritten.
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C. Existing statistics for the CUSTOMERS table become unusable for the query optimizer.
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D. Subsequently, statistics gathered on the CUSTOMERS table are stored as pending statistics.
Pregunta 38
Pregunta
Question: 38
Which two statements are true regarding the usage of the SQL*Loader utility? (Choose two.)
Respuesta
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A. You can load data into multiple tables during the same load session.
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B. You can load data from multiple files to a table during the same load session.
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C. You cannot perform selective data loading based on the values available in the records.
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D. You can use an export file generated by the EXPDP utility as an input data file to load the data.
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E. You can load data only if the input file is available on the disk and tape but not in a named pipes.
Pregunta 39
Pregunta
Question: 39
The instance abnormally terminates because of a power outage. Which statement is true about
redo log files during instance recovery?
Respuesta
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A. Inactive and current redo log files are required to accomplish recovery.
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B. Online and archived redo log files are required to accomplish instance recovery.
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C. All redo log entries after the last checkpoint are applied from redo log files to data files.
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D. All redo log entries recorded in the current redo log file until the checkpoint position are applied to data files.
Pregunta 40
Pregunta
Question: 40
You have issued a SHUTDOWN ABORT command to bring down your database instance.
Consider the steps that will be performed later when you open the database:
1. SGA is allocated.
2. Control file is read.
3. Redo log files are read.
4. Instance recovery is started.
5. Background processes are started.
6. Data files are checked for consistency.
7. Server parameter file or the initialization parameter file is read.
Which option has the correct order in which these steps occur?
Respuesta
-
A. 7, 1, 5, 2, 3, 6, 4
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B. 1, 2, 3,7, 5, 6, 4
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C. 7, 1, 4, 5, 2, 3, 6
-
D. 1, 7, 5, 4, 2, 3, 6
Pregunta 41
Pregunta
Question: 41
View the Exhibit.
You want to create a tablespace to contain objects with block size 16 KB. But while configuring
the storage you find that the block size that you can provide is only 8 KB. Which configuration
could have enabled the block selection of 16 KB?
Respuesta
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A. Choosing the extent allocation type to uniform
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B. Choosing the Segment Space Management option to manual
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C. Setting autoextension on for the data file mentioned for the tablespace
-
D. setting the DB_16K_CACHE_SIZE parameter for the database instance to a nonzero value
Pregunta 42
Pregunta
Question: 42
To make audit information more productive, the DBA executes the following command before
starting an audit operation:
SQL> ALTER SYSTEM SET AUDIT_TRAIL=DB,EXTENDED SCOPE=SPFILE;
Which statement is true regarding the audit record generated when auditing starts after restarting
the database?
Respuesta
-
A. It contains only the plan for the SQL statement executed by the user.
-
B. It contains the SQL text executed by the user and the bind variables used with it.
-
C. It contains the plan and statistics associated with the SQL statement executed by the user.
-
D. It contains the plan for the SQL statement executed by the user and the bind variables used with it.
Pregunta 43
Pregunta
Question: 43
Which two statements about the background process of the database writer
are true? (Choose two.)
Respuesta
-
A. It is possible to have multiple database writers in an Oracle instance.
-
B. It writes dirty buffers, if any, to data files whenever a checkpoint occurs.
-
C. It writes dirty buffers, if any, to data files whenever a transaction commits.
-
D. It writes dirty buffers, if any, to data files before the log writer (LGWR) writes.
Pregunta 44
Pregunta
Question: 44
The TRANS_SUMMARY table contains product-wise transaction details that get updated with
every transaction in the system. Each row has cumulative transaction details of a single product
and every product is identified by a product code, which is the primary key. As part of the archival
process, the company wants to transfer the rows in the TRANS_SUMMARY table to the
TRANS_SUMMARY_DUP table at the end of every quarter of the year. Along with existing
products, the company deals with many new products during every quarter.
Which method is best suited for this quarterly data transfer?
Respuesta
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A. Using the MERGE command
-
B. Using the SQL*Loader utility
-
C. Using the correlated UPDATE command
-
D. Using the INSERT command to perform bulk operation
Pregunta 45
Pregunta
Question: 45
You executed the following command to perform a backup of the USERS tablespace:
SQL> ALTER TABLESPACE users BEGIN BACKUP;
ALTER TABLESPACE users BEGIN BACKUP
*
ERROR at line 1:
ORA-01123: cannot start online backup; media recovery not enabled
What could be the reason for this error?
Respuesta
-
A. The MTTR Advisor is disabled.
-
B. The database is in NOARCHIVELOG mode.
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C. The tablespace is already in backup mode.
-
D. The Flash Recovery Area is not configured.
Pregunta 46
Pregunta
Question: 46
Which two statements are true regarding a PL/SQL package body? (Choose two.)
Respuesta
-
A. It cannot be created without a package specification.
-
B. It cannot invoke subprograms defined in other packages.
-
C. It can contain only the subprograms defined in the package specification.
-
D. It can be changed and recompiled without making the package specification invalid.
Pregunta 47
Pregunta
Question: 47
Note the following points describing various utilities in Oracle Database 11g:
1. It enables the high-speed transfer of data from one database to another.
2. It provides a complete solution for the backup, restoration, and recovery needs of the entire
database.
3. It enables the loading of data from an external file into an Oracle database.
4. It provides a tape backup management for the Oracle ecosystem.
Which point describes Oracle Secure Backup?
Respuesta
-
A. 1
-
B. 2
-
C. 3
-
D. 4
-
E. 1, 2, and 4
-
F. 1, 2, 3, and 4
Pregunta 48
Pregunta
Question: 48
In your database instance, the user sessions are connected to the database server from the
remote machines. You want to achieve the following for these users:
1. The user account must be locked after four unsuccessful login attempts.
2. The user must be prompted to change the password at regular intervals.
3. The user may not have more than three simultaneous sessions.
4. The user session must automatically be logged off if more than 10 minutes elapsed time used.
How would you accomplish the above?
Respuesta
-
A. By assigning profiles for the users
-
B. By implementing Fine-Grained Auditing (FGA)
-
C. By granting a secure application role to the users
-
D. By implementing the Database Resource Manager plan
Pregunta 49
Pregunta
Question: 49
Identify the memory component from which memory may be allocated for:
1. Session memory for the shared server
2. Buffers for I/O slaves
3. Oracle Database Recovery Manager (RMAN) backup and restore operations
Respuesta
-
A. Large Pool
-
B. Redo Log Buffer
-
C. Database Buffer Cache
-
D. Program Global Area (PGA)
Pregunta 50
Pregunta
Question: 50
Which two statements are true about alerts? (Choose two.)
Respuesta
-
A. Clearing an alert sends the alert to the alert history.
-
B. Response actions cannot be specified with server-generated alerts.
-
C. The nonthreshold alerts appear in the DBA_OUTSTANDING_ALERTS view.
-
D. Server-generated alerts notify the problems that cannot be resolved automatically and require administrators to be notified.
Pregunta 51
Pregunta
Question: 51
Observe the information in the columns:
1. The SGA
a. Text and parsed forms of all SQL statements
2. The cursor state b. Run-time memory values for the SQL statement, such as rows retrieved
3. User-session data c. Security and resource usage information
4. The stack space d. Local variables for the process
Which option has the correct match between the memory areas and their contents?
Respuesta
-
A. 1-c, 2-b, 3-d, 4-a
-
B. 1-b, 2-c, 3-d, 4-a
-
C. 1-a, 2-b, 3-c, 4-d
-
D. 1-a, 2-b, 3-d, 4-c
Pregunta 52
Pregunta
Question: 52
You plan to move data from a flat file to a table in your database. You decide to use SQL*Loader
direct path load method to perform this task. The table in which you plan to load data is an
important table having various integrity constraints defined on it. Which constraints will remain
enabled by default during this operation? (Choose all that apply.)
Respuesta
-
A. CHECK
-
B. UNIQUE
-
C. NOT NULL
-
D. PRIMARY KEY
-
E. FOREIGN KEY
Pregunta 53
Pregunta
Question: 53
Which statements listed below describe the data dictionary views?
1) These are stored in the SYSTEM tablespace.
2) These are the based on the virtual tables.
3) These are owned by the SYS user.
4) These can be queried by a normal user only if O7_DICTIONARY_ACCESSIBILTY parameter
is set to TRUE.
5) The V$FIXED_TABLE view can be queried to list the names of these views.
Respuesta
-
A. 1 and 3
-
B. 2, 3, and 5
-
C. 1, 2, and 3
-
D. 2, 3, 4, and 5
Pregunta 54
Pregunta
Question: 54
You execute the following command to audit database activities:
SQL> AUDIT DROP ANY TABLE BY scott BY SESSION WHENEVER SUCCESSFUL;
What is the effect of this command?
Respuesta
-
A. One audit record is created for every successful DROP TABLE command executed in the session of SCOTT.
-
B. One audit record is generated for the session when SCOTT grants the DROP ANY TABLE privilege to other users.
-
C. One audit record is created for the whole session if user SCOTT successfully drops one or more tables in his session.
-
D. One audit record is created for every session of any other user in which a table owned by SCOTT is dropped successfully.
-
E. One audit record is created for every successful DROP TABLE command executed by any user to drop tables owned by SCOTT.
Pregunta 55
Pregunta
Question: 55
In your database instance, the STATISTICS_LEVEL initialization parameter is set to BASIC.
What is the impact of this setting?
Respuesta
-
A. Optimizer statistics are collected automatically.
-
B. Only timed operating system (OS) statistics and plan execution statistics are collected.
-
C. The snapshots for the Automatic Workload Repository (AWR) are not generated automatically.
-
D. Snapshots cannot be collected manually by using the DBMS_WORKLOAD_REPOSITORY package.
-
E. The Oracle server dynamically generates the necessary statistics on tables as part of query optimization.
Pregunta 56
Pregunta
Question: 56
You are using Enterprise Manager to schedule backups for your database. Which type of script
would be generated by the backup scheduler?
Respuesta
-
A. XML script
-
B. PL/SQL script
-
C. Operating system script
-
D. Recovery Manager (RMAN) script
Pregunta 57
Pregunta
Question: 57
Note the following functionalities of various background processes:
1. Record the checkpoint information in data file headers.
2. Perform recovery at instance startup.
3. Cleanup unused temporary segments.
4. Free the resources used by a user process when it fails.
5. Dynamically register database services with listeners.
6. Monitor sessions for idle session timeout.
Which option has the correct functionalities listed for a background process?
Respuesta
-
A. Archiver Process (ARCn): 1, 2, 5
-
B. System Monitor Process (SMON): 1, 4, 5
-
C. Process Monitor Process (PMON): 4, 5, 6
-
D. Database Writer Process (DBWn): 1, 3, 4
Pregunta 58
Pregunta
Question: 58
In which situation would you use static database registration for a listener?
Respuesta
-
A. When multiple databases are to be registered with the listener
-
B. When DBAs need to connect remotely to start up the database instance
-
C. When users need to connect the database instance using the host naming method
-
D. When the database instance that is to be registered with the listener is configured in shared server mode
Pregunta 59
Pregunta
Question: 59
You want to access employee details contained in flat files as part of the EMPLOYEE table. You
plan to add a new column to the EMPLOYEE table to achieve this. Which data type would you
use for the new column?
Respuesta
-
A. CLOB
-
B. BLOB
-
C. BFILE
-
D. LONG RAW
Pregunta 60
Pregunta
Question: 60
View the Exhibit and examine the undo tablespace attributes. Your database instance is
experiencing a large volume of transactions from non-DBA users in the last one hour. The undo
tablespace UNDOTBS1 is full with transactions and no transaction was committed more than one
hour ago. The database has two more undo tablespaces. What happens to the new DML
operations in this scenario?
Respuesta
-
A. The DML commands will fail.
-
B. The undo data generated by the DML is stored in one of the two other undo tablespaces.
-
C. The undo data generated by the DML will overwrite the extents that contain committed undo data.
-
D. The undo data generated by the DML is stored in the SYSTEM undo segment of the SYSTEM tablespace.
Pregunta 61
Pregunta
Question: 61
Which statement is true about the UNDO_RETENTION parameter when retention guarantee is
not enabled?
Respuesta
-
A. It is the time period after which the undo data becomes obsolete.
-
B. It is the time period after which the committed undo data would be transferred to a temporary tablespace.
-
C. It is the minimum time period up to which the committed undo data would be retained if free undo space is available.
-
D. It is the time period after which the undo data is transferred to the Flash Recovery Area to provide read consistency.
Pregunta 62
Pregunta
Question: 62
You want to enable archiving on your database. Presently, the database is running in
NOARCHIVELOG mode. Given below are the steps to accomplish the task in random order:
1. Shut down the instance.
2. Execute the ALTER DATABASE ARCHIVELOG command.
3. Start up the instance and mount the database.
4. Set the DB_RECOVERY_FILE_DEST initialization parameter to $ORACLE_HOME/dest_1.
5. Open the database.
Which is the correct sequence of steps for accomplishing the task?
Respuesta
-
A. 4, 1, 3, 2, 5
-
B. 1, 3, 4, 5, 2
-
C. 1, 3, 2, 5; 4 not required
-
D. 4, 1, 5, 2; 3 not required
-
E. 1, 3, 4, 5; 2 not required
Pregunta 63
Pregunta
Question: 63
Your database instance is configured with automatic undo management and the
UNDO_RETENTION parameter is set to 900 seconds. You executed the following command to
enable retention guarantee:
SQL> ALTER TABLESPACE undotbs1 RETENTION GUARANTEE;
What effect would this command have on the database?
Respuesta
-
A. The extents in the undo tablespace retain data until the next full database backup.
-
B. The extents containing committed undo in the undo tablespace are not overwritten for at least 15 minutes.
-
C. The extents containing committed data in the undo tablespace are not overwritten until the instance is shut down.
-
D. The extents containing committed undo in the undo tablespace are transferred to Flash Recovery Area before being overwritten.
Pregunta 64
Pregunta
Question: 64
You executed the command to create a password file in the database server:
$ orapwd file=orapworcl entries=5 ignorecase=N
Which statement describes the purpose of the above password file?
Respuesta
-
A. It records usernames and passwords of users when granted the DBA role.
-
B. It contains usernames and passwords of users for whom auditing is enabled.
-
C. It is used by Oracle to authenticate users for remote database administration.
-
D. It records usernames and passwords of all users when they are added to OSDBA or OSOPER operating system groups.
Pregunta 65
Pregunta
Question: 65
View the Exhibit and examine the privileges granted to the MGR_ROLE role. The user SKD has
been granted the CONNECT and RESOURCE roles only. The database administrator (DBA)
grants MGR_ROLE to the user SKD by executing the command:
SQL> GRANT MGR_ROLE TO SKD WITH ADMIN OPTION;
Which statement is true about the user SKD after he/she is granted this role?
Respuesta
-
A. The user SKD can grant only the MGR_ROLE role to other users, but not the privileges in it.
-
B. The user SKD can revoke the MGR_ROLE only from the users for whom he/she is the grantor.
-
C. The user SKD can grant the privileges in the MGR_ROLE role to other users, but not with ADMIN OPTION.
-
D. The user SKD can grant the privileges in the MGR_ROLE role to other users, but cannot revoke privileges from them.
Pregunta 66
Pregunta
Question: 66
Which statement is true about a whole consistent database backup on a database running in
ARCHIVELOG mode?
Respuesta
-
A. The backup will consist of used data blocks only.
-
B. The database must be shut down to accomplish the backup.
-
C. The backup can be accomplished without shutting down the database.
-
D. The backup will contain all database files that have never been backed up.
Pregunta 67
Pregunta
Question: 67
View the Exhibit to observe the roles assigned to the SL_REP user. Which statement is true
about the assignment of the SELECT_CATALOG_ROLE role to the SL_REP user?
Respuesta
-
A. The user must enable the role explicitly.
-
B. The user can grant the role to other users.
-
C. The user cannot use the role until the DBA enables it explicitly.
-
D. The user can start using the role immediately without any changes.
Pregunta 68
Pregunta
Question: 68
Examine the values for the following initialization parameters:
FAST_START_MTTR_TARGET = 0
LOG_CHECKPOINT_INTERVAL = 0
Which two will be the implications of these values in your database? (Choose two.)
Respuesta
-
A. The SGA advisor will be disabled.
-
B. The MTTR advisor will be disabled.
-
C. Automatic checkpoint tuning will be disabled.
-
D. Checkpoint information will not be written to the alert log file.
Pregunta 69
Pregunta
Question: 69
View the Exhibit and identify the component marked with a question mark.
Respuesta
-
A. Checkpoint (CKPT)
-
B. Process Monitor (PMON)
-
C. Archiver Processes (ARCn)
-
D. Recoverer Process (RECO)
-
E. Memory Manager process (MMAN)
Pregunta 70
Pregunta
Question: 70
You are managing an Oracle Database 11g database with the following backup strategy:
1) On Sunday, an incremental level 0 tape backup is performed.
2) Monday through Saturday, a cumulative incremental level 1 tape backup is performed.
Which two statements are true regarding the backups performed? (Choose two.)
Respuesta
-
A. The backup performed in step 1 backs up all blocks that have ever been in use in the database.
-
B. The backup performed in step 2 copies all the blocks changed since the most recent level 0 backup.
-
C. The backup performed in step 1 backs up all the blocks changed since the most recent level 1 backup.
-
D. The backup performed in step 2 backs up all blocks that have changed since the most recent incremental backup at level 1.
Pregunta 71
Pregunta
Question: 71
Examine the following steps performed on a database instance:
1. The DBA grants the CREATE TABLE system privilege to the SKD user with ADMIN OPTION.
2. The SKD user creates a table.
3. The SKD user grants the CREATE TABLE system privilege to the HR user.
4. The HR user creates a table.
5. The DBA revokes the CREATE TABLE system privilege from SKD.
Which statement is true after step 5 is performed?
Respuesta
-
A. The table created by SKD is not accessible and SKD cannot create new tables.
-
B. The tables created by SKD and HR remain, but both cannot create new tables.
-
C. The table created by HR remains and HR still has the CREATE TABLE system privilege.
-
D. The table created by HR remains and HR can grant the CREATE TABLE system privilege to other users.
Pregunta 72
Pregunta
Question: 72
You are in the middle of a transaction updating a very important table. The machine on which a
database was running reboots because of power outage. This caused a database instance
failure. Which statement is true in this situation?
Respuesta
-
A. The online redo log files and archived redo log files are required to accomplish the recovery.
-
B. The uncommitted transaction will be committed at the next startup of the database instance.
-
C. The uncommitted transaction is rolled back automatically at the next opening of the database.
-
D. The DBA has to perform the recovery on the database to recover the uncommitted transaction.
Pregunta 73
Pregunta
Question: 73
You have a large amount of historical data in a flat file. Some analysts in your organization need
to query this data in the file. The file is too large to load the data in it into your current database.
Which is the most effective method to access this data in your database?
Respuesta
-
A. Use the database link.
-
B. Use the SQL*Loader utility.
-
C. Use the Oracle Data Pump utility.
-
D. Create an external table and leave the data in the flat file.
Pregunta 74
Pregunta
Question: 74
You want to check the details of few errors that users have reported. You search for the alert log
file and execute few commands to find the location of the alert log file. View the Exhibit and check
the commands executed. What is the location of the alert_orcl.log file?
Respuesta
-
A. ORACLE_HOME/dbs
-
B. ORACLE_HOME/rdbms
-
C. /u01/app/oracle/admin/orcl/adump
-
D. /u01/app/oracle/flash_recovery_area
-
E. ORACLE_BASE/diag/rdbms/orcl/orcl/alert
-
F. ORACLE_BASE/diag/rdbms/orcl/orcl/trace
Pregunta 75
Pregunta
Question: 75
Which statements are true regarding the creation of an incident package file by using the EM
Workbench Support? (Choose all that apply.)
Respuesta
-
A. You can add SQL test cases to the incident package.
-
B. You can add or remove the trace files to the package.
-
C. You cannot create an incremental incident package when the physical files are purged from the ADR.
-
D. You can create the incremental incident package ZIP file for new or modified diagnostic information for the incident package already created.
Pregunta 76
Pregunta
Question: 76
You are managing an Oracle Database 11g database. You want to ensure the recovery of the
database to the point of failure. Which configuration will you do to accomplish the task?
Respuesta
-
A. Multiplex all database files.
-
B. Configure the Flash Recovery Area.
-
C. Configure the database instance for ARCHIVELOG mode.
-
D. Configure the FAST_START_MTTR_TARGET initialization parameter.
Pregunta 77
Pregunta
Question: 77
View the Exhibit and examine the user information. The user has been granted CONNECT and
RESOURCE roles and no individual system privileges. The SL_REP user executes this
command to create a table:
SQL> CREATE TABLE orders(oid number(6), odate date, ccode number(4), oamt
number(10,2)) TABLESPACE purchase_space;
The PURCHASE_SPACE tablespace already exists in the database. Which statement describes
the effect of the command?
Respuesta
-
A. The command executes successfully and creates the table in the USERS tablespace.
-
B. The command executes successfully and creates the table in the PURCHASE_SPACE
-
C. The command produces an error because the user does not have the privilege to create the table.
-
D. The command produces an error because the user does not have quota in the PURCHASE_SPACE ablespace.
Pregunta 78
Pregunta
Question: 78
You executed the following command to create a tablespace called ALES_DATA:
SQL> CREATE TABLESPACE sales_data DATAFILE SIZE 100M
SEGMENT SPACE MANAGEMENT AUTO;
Which two statements are true about the SALES_DATA tablespace? (Choose two.)
Respuesta
-
A. The database automatically determines the extent-sizing policy for the tablespace.
-
B. The segments are automatically shrunk when the contents are removed from them.
-
C. The allocation of extents within the tablespace is managed through the dictionary tables.
-
D. The space utilization description of the data blocks in segments is recorded in bitmap blocks.
-
E. The space utilization description of the data blocks in segments is managed through free lists.
Pregunta 79
Pregunta
Question: 79
A constraint in a table is defined with the INITIALLY IMMEDIATE clause. You executed the
ALTER TABLE command with the ENABLE VALIDATE option to enable the constraint that was
disabled. What are the two effects of this command? (Choose two.)
Respuesta
-
A. It fails if any existing row violates the constraint.
-
B. It does not validate the existing data in the table.
-
C. It enables the constraint to be enforced at the end of each transaction.
-
D. It prevents insert, update, and delete operations on the table while the constraint is in the process of being enabled.
Pregunta 80
Pregunta
Question: 80
Which two statements correctly describe the relation between a data file
and the logical database structures? (Choose two.)
Respuesta
-
A. An extent cannot spread across data files.
-
B. A segment cannot spread across data files.
-
C. A data file can belong to only one tablespace.
-
D. A data file can have only one segment created in it.
-
E. A data block can spread across multiple data files as it can consist of multiple operating system (OS) blocks.
Pregunta 81
Pregunta
Question: 81
Your database is configured in shared server mode. However, your senior DBA asks you to
modify the value of the PRIVATE_SGA limit in the profile of the users. What could be the reason
for this?
Respuesta
-
A. To limit the User Global Area (UGA) memory allocated to a session from the SGA
-
B. To limit the amount of memory to be used for the dispatcher queue of a session in SGA
-
C. To limit the amount of memory to be used for the request pool in System Global Area (SGA)
-
D. To control the amount of memory allocated in SGA for the local variables for each shared server process
Pregunta 82
Pregunta
Question: 82
Which two operations can be performed on an external table? (Choose two.)
Respuesta
-
A. Create a view on the table.
-
B. Create an index on the table.
-
C. Create a synonym on the table.
-
D. Add a virtual column to the table.
-
E. Update the table using the UPDATE statement.
-
F. Delete rows in the table using the DELETE command.
Pregunta 83
Pregunta
Question: 83
You want to import schema objects of the HR user using Oracle Data Pump from the
development database, DEVDB, to the production database, PRODDB. A database link
devdb.us.oracle.com is created between PRODDB and DEVDB. You execute the following
command on the PRODDB database server:
$ impdp system/manager directory = DB_DATA
dumpfile = schemas.dat
schemas = hr
flashback_time = "TO_TIMESTAMP('25-08-2007 14:35:00', 'DD-MM-YYYY HH24:MI:SS')"
The command fails displaying the following error:
ORA-39001: invalid argument value
ORA-39000: bad dump file specification
ORA-31640: unable to open dump file "/home/oracle/schema/schemas.dat" for read
ORA-27037: unable to obtain file status
What would you do to overcome the error?
Respuesta
-
A. Add the user, SYSTEM, to the schemas option.
-
B. Add the network_link = devdb.us.oracle.com option.
-
C. Change the dumpfile option to schema.dat@devdb.us.oracle.com.
-
D. Replace the schemas option with the network_link = devdb.us.oracle.com
-
E. Replace the dumpfile option with the network_link = devdb.us.oracle.com
Pregunta 84
Pregunta
Question: 84
You execute this command to drop the ITEM table, which has the primary key referred in the
ORDERS table:
SQL> DROP TABLE scott.item CASCADE CONSTRAINTS PURGE;
Which two statements are true about the effect of the command? (Choose two.)
Respuesta
-
A. No flashback is possible to bring back the ITEM table.
-
B. The ORDERS table is dropped along with the ITEM table.
-
C. The dependent referential integrity constraints in the ORDERS table are disabled.
-
D. The dependent referential integrity constraints in the ORDERS table are removed.
-
E. The table definition of the ITEM table and associated indexes are placed in the recycle bin.
Pregunta 85
Pregunta
Question: 85
Which naming method uses the tnsnames.ora file to store the connect descriptor used by the
client while connecting to the database instance from a remote machine?
Respuesta
-
A. Host naming method
-
B. Local naming method
-
C. External naming method
-
D. Directory naming method
Pregunta 86
Pregunta
Question: 86
Which two statements are true about Shared SQL Area and Private SQL Area? (Choose two.)
Respuesta
-
A. Shared SQL Area will be allocated in the shared pool.
-
B. Shared SQL Area will be allocated when a session starts.
-
C. Shared SQL Area will be allocated in the large pool always.
-
D. The whole of Private SQL Area will be allocated in the Program Global Area (PGA) always.
-
E. Shared SQL Area and Private SQL Area will be allocated in the PGA or large pool.
-
F. The number of Private SQL Area allocations is dependent on the OPEN_CURSORS parameter.
Pregunta 87
Pregunta
Question: 87
You configured the Flash Recovery Area for your database. The database instance has been
started in ARCHIVELOG mode and the LOG_ARCHIVE_DEST_1 parameter is not set. What will
be the implications on the archiving and the location of archive redo log files?
Respuesta
-
A. Archiving will be disabled because the destination for the redo log files is missing.
-
B. The database instance will shut down and the error details will be logged in the alert log file.
-
C. Archiving will be enabled and the destination for the archived redo log file will be set to the Flash Recovery Area implicitly.
-
D. Archiving will be enabled and the location for the archive redo log file will be created in the default location $ORACLE_HOME/log.
Pregunta 88
Pregunta
Question: 88
Which three operations require undo data? (Choose three.)
Respuesta
-
A. Committing a transaction
-
B. Flashing back a transaction
-
C. Recovering a failed transaction
-
D. Running a read-consistent query
-
E. Changing a tablespace status from READ ONLY to READ WRITE
Pregunta 89
Pregunta
Question: 89
Which two activities are NOT supported by the Data Recovery Advisor (DRA)? (Choose two.)
Respuesta
-
A. Recover from failures in the RAC environment.
-
B. Diagnose and repair a data file corruption online.
-
C. Diagnose and repair a data file corruption offline.
-
D. Diagnose and repair failures on a standby database.
Pregunta 90
Pregunta
Question: 90
Which two statements are true regarding the SGA_TARGET initialization parameter? (Choose
two.)
Respuesta
-
A. It can be increased up to the value of the SGA_MAX_SIZE parameter.
-
B. Increasing the value of the SGA_TARGET parameter distributes the increased memory among all the autotuned components.
-
C. Reducing the value of the SGA_TARGET parameter deallocates memory from both autotuned and manually sized components.
-
D. Increasing the value of SGA_TARGET up to the value of SGA_MAX_SIZE disables the automatic shared memory management feature.
Pregunta 91
Pregunta
Question: 91
Which statement is true about the Manageability Monitor (MMON) background process?
Respuesta
-
A. It transfers statistics from memory to disk at regular intervals.
-
B. It coordinates the rebalance activity for disk groups when ASM is used.
-
C. It communicates with the Automatic Storage Management (ASM) instance on behalf of the database instance.
-
D. It performs dynamic memory management when Automatic Shared Memory Management is enabled for the database instance.
Pregunta 92
Pregunta
Automatic Shared Memory Management (ASMM) has been enabled for your database instance.
The initialization parameters for the components that are managed by ASMM are not set. After
observing the effects of ASMM, you executed the following command:
SQL> ALTER SYSTEM SET DB_CACHE_SIZE = 100M;
Which statement is true in this scenario?
Respuesta
-
A. The minimum memory size for the database buffer cache is set to 100 MB.
-
B. The maximum memory size that can be obtained by the database buffer cache during ASMM is set to 100 MB.
-
C. The minimum memory size allocated for a server process in the database buffer cache in dedicated mode is set to 100 MB.
-
D. The maximum memory size from the database buffer cache that can be released for dynamic distribution during ASMM is set to 100 MB.
Pregunta 93
Pregunta
Question: 93
Your test database is configured to run in NOARCHIVELOG mode. One of the data files in the
USERS tablespace is lost due to a media failure. You notice that all the online redo logs have
been overwritten since the last backup. What would you do to recover the data file?
Respuesta
-
A. Take the USERS tablespace offline and re-create the lost data file.
-
B. Shut down the instance, restore the data file from the last consistent backup, and restart the database instance.
-
C. Shut down the instance, restore all the database files from the last consistent backup, and restart the database instance.
-
D. Take the USERS tablespace offline, restore all the data files of the USERS tablespace from the last consistent backup, and make the tablespace online.
Pregunta 94
Pregunta
Question: 94
Which two files in the database can be configured for automatic backups by using the autobackup
feature in Recovery Manager (RMAN)? (Choose two.)
Respuesta
-
A. Data files
-
B. Control files
-
C. Parameter file
-
D. Online redo log files
-
E. Server parameter file
Pregunta 95
Pregunta
Question: 95
View the Exhibit1, which shows the options that are selected to create the user SL_REP.
View the Exhibit2 and examine the contents of DATABASE_PROPERTIES. Which two
statements are true regarding this user? (Choose two.)
Respuesta
-
A. The user is authenticated by the operating system.
-
B. The objects created by the user are placed in the USERS tablespace.
-
C. The user does not require quota on the TEMP tablespace to perform sort operations.
-
D. The user is forced to change the password at the first login to the database instance.
-
E. The objects created by the user in future are unlocked to be accessed by all the users in the database by default.
Pregunta 96
Pregunta
Question: 96
Which two statements are true regarding transactions in an Oracle database? (Choose two.)
Respuesta
-
A. Multiple transactions can use the same undo segment.
-
B. A transaction is assigned an undo segment when it is started.
-
C. More than one transaction cannot share the same extent in the undo tablespace.
-
D. The transactions use system undo segment to store undo data if all the segments in the undo tablespace are used.
Pregunta 97
Pregunta
Question: 97
Examine the commands executed in a DBA session:
SQL> CREATE BIGFILE TABLESPACE MRKT
2 DATAFILE '/u01/app/oracle/oradata/orcl/mrkt.dbf' size 10M LOGGING
3 EXTENT MANAGEMENT LOCAL SEGMENT SPACE MANAGEMENT AUTO;
Tablespace created.
SQL> ALTER DATABASE DEFAULT TABLESPACE MRKT;
Database altered.
Which two statements are true regarding the MRKT tablespace? (Choose two.)
Respuesta
-
A. No more data files can be added to the tablespace.
-
B. Segment space is managed by free lists in the tablespace.
-
C. A user created without being assigned a default tablespace uses this tablespace.
-
D. The tablespace can be dropped with the current setting with segments present in it.
Pregunta 98
Pregunta
Question: 98
Note the following points describing various utilities in Oracle Database 11g:
1. It enables the transfer of data from one database to another.
2. It provides a complete solution for the backup, restoration, and recovery needs of the entire
database.
3. It enables the loading of data from an external file into tables of an Oracle database.
4. It provides a tape backup management for the Oracle ecosystem.
Which point describes the Oracle Data Pump utility?
Respuesta
-
A. 1
-
B. 2
-
C. 3
-
D. 4
-
E. 1 and 3
-
F. 1, 2, 3, and 4
Pregunta 99
Pregunta
Question: 99
Which two statements are true about setting the FAST_START_MTTR_TARGET initialization
parameter to a nonzero value? (Choose two.)
Respuesta
-
A. The MTTR advisor will be disabled.
-
B. Automatic checkpoint tuning will be enabled.
-
C. The value for the LOG_CHECKPOINT_INTERVAL initialization parameter will be override the value for FAST_START_MTTR_TARGET.
-
D. The time taken to recover the instance after the crash is always exactly the same as the value given for the FAST_START_MTTR_TARGET initialization parameter.
Pregunta 100
Pregunta
Question: 100
Automatic Shared Memory Management is disabled for your database instance. You realize that
there are cases of SQL statements performing poorly because of repeated parsing activity,
resulting in degradation of performance. What would be your next step to improve performance?
Respuesta
-
A. Run the SQL Access Advisor.
-
B. Run the Memory Advisor for the SGA.
-
C. Run the Memory Advisor for the PGA.
-
D. Run the Memory Advisor for the shared pool.
-
E. Run the Memory Advisor for the buffer cache.
Pregunta 101
Pregunta
Question: 101
Which task would you perform before you run Oracle Universal Installer (OUI) in silent or
suppressed mode for an installation?
Respuesta
-
A. Run the root.sh script.
-
B. Create the oraInst.loc file.
-
C. Create the tnsnames.ora file.
-
D. Run the oraInstRoot.sh script.
Pregunta 102
Pregunta
Question: 102
You are using flat files as the data source for one of your data warehousing applications. To
optimize the application performance, you plan to move the data from the flat files to clustered
tables in an Oracle database. While migrating the data, you want to have minimal impact on the
database performance and optimize the data load operation. Which method would you use to
load data into the Oracle database?
Respuesta
-
A. Use the external table population.
-
B. Use the Oracle Data Pump export and import utility.
-
C. Use the conventional path data load of the SQL*Loader utility.
-
D. Use the INSERT INTO...SELECT command to load the data.
Pregunta 103
Pregunta
Question: 103
Given below is a list of scenarios:
1) A user terminates his session abnormally.
2) The connection between the server and the client application terminates because of a network
failure.
3) A schema is accidentally dropped.
4) The tablespace is accidentally dropped from the database.
5) The hard disk gets corrupted and the data files in the disk are lost.
6) The database instance abnormally shuts down because of power failure.
Which scenarios require DBA intervention to perform recovery?
Respuesta
-
A. 1, 3, and 6
-
B. 4, 5, and 6
-
C. 3, 4, and 5
-
D. 1, 2, and 6
Pregunta 104
Pregunta
Question: 104
Which two statements are true regarding B-tree index? (Choose two.)
Respuesta
-
A. The leaf blocks in the index are doubly linked.
-
B. The leaf node stores a bitmap for each key value.
-
C. The rows with NULL value in key columns also have entries in the index.
-
D. The deletion of a row from the table causes a logical deletion in index leaf block and the space becomes available for the new leaf entry.
Pregunta 105
Pregunta
Question: 105
The job to gather optimizer statistics for objects runs as part of the automatic maintenance
window in your database instance. At a certain point of time, the maintenance window closes
before the statistics are gathered for all objects. Which statement is true in this scenario?
Respuesta
-
A. The statistics collection continues until all objects are processed.
-
B. The job is terminated and the statistics collected are restored to a time before the job started.
-
C. This produces an error and the statistics collected are locked until the next time that the maintenance window is opened.
-
D. The job is terminated and the statistics for the remaining objects are collected the next time that the maintenance window is opened.
Pregunta 106
Pregunta
Question: 106
In your production database, data manipulation language (DML) operations are executed on the
SALES table. You have noticed some dubious values in the SALES table during the last few
days. You are able to track users, actions taken, and the time of the action for this particular
period but the changes in data are not tracked. You decide to keep track of both the old data and
new data in the table along with the user information. What action would you take to achieve this
task?
Respuesta
-
A. Apply fine-grained auditing.
-
B. Implement value-based auditing.
-
C. Impose standard database auditing to audit object privileges.
-
D. Impose standard database auditing to audit SQL statements.
Pregunta 107
Pregunta
Question: 107
You are managing an Oracle Database 11g database. The database is open, and you plan to
perform Recovery Manager (RMAN) backups. Which three statements are true about these
backups? (Choose three.)
Respuesta
-
A. The backups would be consistent.
-
B. The backups would be inconsistent.
-
C. The backups would be possible only if the database is running in ARCHIVELOG mode.
-
D. The backups would be possible only if the database is running in NOARCHIVELOG mode.
-
E. The backups need to be restored and the database has to be recovered in case of a media failure.
Pregunta 108
Pregunta
Question: 108
View the Exhibit and examine the output of the query. What do you infer from this?
Respuesta
-
A. The SGA_TARGET is a static parameter.
-
B. The instance is started, but the database is not yet open.
-
C. The server parameter file (SPFILE) was used to start the instance.
-
D. The SGA_TARGET parameter does not have any effect on the database instance until the SGA_MAX_SIZE parameter is specified.
Pregunta 109
Pregunta
Question: 109
View the Exhibit and examine the output. Which two statements are true regarding the
LISTENER2 listener? (Choose two.)
Respuesta
-
A. The ORCL instance is registered dynamically with the listener.
-
B. The ORCL instance is registered statically in the listener.ora file.
-
C. The number of current client connections handled by the service handler is two.
-
D. The total number of client connections handled so far by the service handler is two
Pregunta 110
Pregunta
Question: 110
You plan to implement the distributed database system in your company. You invoke Database
Configuration Assistant (DBCA) to create a database on the server. During the installation, DBCA
prompts you to specify the Global Database Name. What must this name be made up of?
Respuesta
-
A. It must be made up of a database name and a domain name.
-
B. It must be made up of the value in ORACLE_SID and HOSTNAME.
-
C. It must be made up of the value that you plan to assign for INSTANCE_NAME and HOSTNAME.
-
D. It must be made up of the value that you plan to assign for ORACLE_SID and SERVICE_NAMES.
Pregunta 111
Pregunta
Question: 111
User SCOTT wants to perform a bulk insert operation in the EMP_DEP table. SCOTT receives
the following error after the INSERT statement is issued and few rows are inserted:
INSERT INTO EMP_DEP (emp_id,name,salary,dep_name,mgr_id)
*
ERROR at line 1:
ORA-01653: unable to extend table SCOTT.EMP_DEP by 128 in tablespace USERS
Identify two actions either of which will help you resolve this problem. (Choose two.)
Respuesta
-
A. Grant the RESOURCE role to SCOTT.
-
B. Add data files to the USERS tablespace.
-
C. Grant the CREATE ANY TABLE privilege to SCOTT.
-
D. Increase the space for SCOTT on the USERS tablespace.
-
E. Increase the size of the data file associated with the USERS tablespace.
Pregunta 112
Pregunta
Question: 112
Some non-DBA users in your database have been granted ANY TABLE system privileges and
they are able to access data dictionary base tables. You decide to restrict their access to data
dictionary objects. Which method would you adopt to achieve this objective?
Respuesta
-
A. Revoke the RESOURCE role from the users.
-
B. Set the value of the OS_ROLES parameter to TRUE.
-
C. Use Database Resource Manager to restrict user access to objects.
-
D. Grant ANY TABLE system privileges again without ADMIN OPTION.
-
E. Set the value of the O7_DICTIONARY_ACCESSIBILITY parameter to FALSE.
Pregunta 113
Pregunta
Question: 113
You have recently collected statistics on certain objects of a schema in your database. But you
observe suboptimal execution plans for the queries on these objects after two days of statistics
collection. The optimizer statistics retention period is set to its default value. Which action would
help to use the previous set of statistics on the objects?
Respuesta
-
A. Restore statistics from statistics history.
-
B. Reduce the optimizer statistics retention period by 2 days.
-
C. Set the OPTIMIZER_PENDING_STATISTICS parameter to TRUE.
-
D. Reduce the Automatic Workload Repository (AWR) retention period by 2 days.
Pregunta 114
Pregunta
Question: 114
The session of user SCOTT receives the following error after executing an UPDATE command
on the EMP table:
ERROR at line 1:
ORA-00060: deadlock detected while waiting for resource
On investigation, you find that a session opened by user JIM has a transaction that caused the
deadlock. Which two statements are true regarding the session of SCOTT in this scenario?
(Choose two.)
Respuesta
-
A. The session is terminated after receiving the error and JIM can continue with his transaction.
-
B. SCOTT should perform a COMMIT or ROLLBACK to allow JIM to continue with his transaction.
-
C. The session is rolled back after receiving the error and JIM can continue with his transaction.
-
D. SCOTT has to reexecute the last command in the transaction after he commits the transaction.
Pregunta 115
Pregunta
Question: 115
Examine the following statement that is used to modify the primary key constraint on the SALES
table:
SQL> ALTER TABLE SALES MODIFY CONSTRAINT pk DISABLE VALIDATE;
Which three statements are true regarding the above command? (Choose three.)
Respuesta
-
A. The constraint remains valid.
-
B. The index on the constraint is dropped.
-
C. It allows the loading of data into the table using SQL *Loader.
-
D. New data conforms to the constraint, but existing data is not checked.
-
E. It allows the data manipulation on the table using INSERT/UPDATE/DELETE SQL statements.
Pregunta 116
Pregunta
Question: 116
You execute the following command to change the status of the SALES tablespace:
SQL> ALTER TABLESPACE sales OFFLINE;
Which statements describe the effect of the command? (Choose all that apply.)
Respuesta
-
A. The tablespace would require recovery to go back online.
-
B. A checkpoint is taken on all data files that are associated with the SALES tablespace.
-
C. The sessions that subsequently try to access the objects in the SALES tablespace receive an error.
-
D. The new status of the SALES tablespace is recorded in the control file when the database instance is closed.
Pregunta 117
Pregunta
Question: 117
You set the following parameters in the parameter file and restarted the database:
MEMORY_MAX_TARGET=0
MEMORY_TARGET=500M
PGA_AGGREGATE_TARGET=90M
SGA_TARGET=270M
Which two statements are true about these parameters after the database instance is restarted?
(Choose two.)
Respuesta
-
A. The MEMORY_MAX_TARGET parameter is automatically set to 500 MB.
-
B. The PGA_AGGREGATE_TARGET and SGA_TARGET parameters are automatically set to zero.
-
C. The value of the MEMORY_MAX_TARGET parameter remains zero until it is changed manually.
-
D. The lower bounds of PGA_AGGREGATE_TARGET and SGA_TARGET parameters are set to 90 MB and 270 MB, respectively.
Pregunta 118
Pregunta
Question: 118
Identify the two situations in which you use the alert log file in your database to check the details.
(Choose two.)
Respuesta
-
A. Running a query on a table returns "ORA-600: Internal Error."
-
B. Inserting a value in a table returns "ORA-01722: invalid number."
-
C. Creating a table returns "ORA-00955: name is already used by an existing object."
-
D. Inserting a value in a table returns "ORA-00001: unique constraint (SYS.PK_TECHP) violated."
-
E. Inserting a row in a table returns "ORA-00060: deadlock detected while waiting for resource."
Pregunta 119
Pregunta
Question: 119
You want to configure and schedule offline database backups to run automatically. Which tool or
utility would you use to achieve this?
Respuesta
-
A. the XML script
-
B. the PL/SQL script
-
C. the DBMS_SCHEDULER package
-
D. Enterprise Manager to schedule the backup
Pregunta 120
Pregunta
Question: 120
Which three statements are correct about temporary tables? (Choose three.)
Respuesta
-
A. Indexes and views can be created on temporary tables.
-
B. Both the data and the structure of temporary tables can be exported.
-
C. Temporary tables are always created in a user's temporary tablespace.
-
D. The data inserted into a temporary table in a session is available to other sessions.
-
E. Data manipulation language (DML) locks are never acquired on the data of temporary tables.
Pregunta 121
Pregunta
Question: 121
You are working on a database that must be functioning 24 hours a day, 7 days a week. The
database is configured in ARCHIVELOG mode. Which two options do you have for performing
user-managed backups? (Choose two.)
Respuesta
-
A. You can perform consistent backups only.
-
B. You can perform a complete database backup without shutting down the database instance.
-
C. You can back up data files only when all data files have the same SCN recorded in the control file.
-
D. You can back up only those data files whose headers are frozen by using ALTER TABLESPACE BEGIN BACKUP or ALTER DATABASE BEGIN BACKUP commands.
Pregunta 122
Pregunta
Question: 122
Examine the command that is used to create a table:
SQL> CREATE TABLE orders(oid NUMBER(6) PRIMARY KEY, odate DATE, ccode NUMBER
(6), oamt NUMBER(10,2)) TABLESPACE users;
Which two statements are true about the effect of the above command? (Choose two.)
Respuesta
-
A. A CHECK constraint is created on the OID column.
-
B. A NOT NULL constraint is created on the OID column.
-
C. The ORDERS table is the only object created in the USERS tablespace.
-
D. The ORDERS table and a unique index are created in the USERS tablespace.
-
E. The ORDERS table is created in the USERS tablespace and a unique index is created on the OID column in the SYSTEM tablespace.
Pregunta 123
Pregunta
Question: 123
You have an ORDERS table with the following structure:
Name Null? Type
------------------------- -------- -------------------------
OID NUMBER(6)
ODATE DATE
CCODE NUMBER(6)
OAMT NUMBER(10,2)
The table has data in the ODATE column for all rows. Many orders are placed in a single day.
You need to ensure that the ODATE column must contain data for every order in future. Which
method would serve the purpose?
Respuesta
-
A. Modify the column using the ALTER TABLE...MODIFY command.
-
B. Add a UNIQUE constraint to the column using the ALTER TABLE...ADD CONSTRAINT command.
-
C. Add a NOT NULL constraint to the column using the ALTER TABLE...ADD CONSTRAINT command.
-
D. Add a PRIMARY KEY constraint to the column using the ALTER TABLE...ADD CONSTRAINT command.
Pregunta 124
Pregunta
Question: 124
You have set Tablespace Full Metrics Threshold values for the USERS tablespace as follows:
Warning (%): 90
Critical (%): 95
Which background process is responsible for issuing alerts when the threshold is crossed?
Respuesta
-
A. System monitor (SMON)
-
B. Process monitor (PMON)
-
C. Memory manager process (MMAN)
-
D. Manageability Monitor process (MMON)
Pregunta 125
Pregunta
Question: 125
User SCOTT executes the following command on the EMP table but has not issued COMMIT,
ROLLBACK, or any data definition language (DDL) command:
SQL> SELECT ename FROM emp
2 WHERE job='CLERK' FOR UPDATE OF empno;
SCOTT has opened another session to work with the database instance. Which three operations
would wait when issued in SCOTT's second session? (Choose three.)
Respuesta
-
A. LOCK TABLE emp IN SHARE MODE;
-
B. LOCK TABLE emp IN EXCLUSIVE MODE;
-
C. UPDATE emp SET sal=sal*1.2 WHERE job=ANAGER?UPDATE emp SET sal=sal*1.2 WHERE job=?ANAGER?
-
D. INSERT INTO emp(empno,ename) VALUES (1289,'Harry');
-
E. SELECT ename FROM emp WHERE job='CLERK' FOR UPDATE OF empno;
Pregunta 126
Pregunta
Question: 126
Which statement is true about loading data using the conventional path of SQL*Loader?
Respuesta
-
A. Redo is not generated while performing conventional path loads.
-
B. Only PRIMARY KEY, UNIQUE KEY, and NOT NULL constraints are checked.
-
C. No exclusive locks are acquired when the conventional path loads are performed.
-
D. Instead of performing transactions, SQL*Loader directly writes data blocks to the data files.
-
E. INSERT triggers are disabled before the conventional path load and reenabled at the end of the load.
Pregunta 127
Pregunta
Question: 127
Which three statements regarding the server parameter file (SPFILE) are true? (Choose three.)
Respuesta
-
A. An SPFILE is a binary file.
-
B. An SPFILE cannot reside on a client.
-
C. An SPFILE cannot contain static parameters.
-
D. An SPFILE can store changes persistently across instance restarts.
-
E. An SPFILE can be read by the database server, but it is not written to by the server.
-
F. An SPFILE must be created manually, before creating a database, even if you use the Database Configuration Assistant (DBCA) to create the database.
Pregunta 128
Pregunta
Question: 128
Which three statements are true about logical structures of the Oracle database? (Choose three.)
Respuesta
-
A. Each segment contains one or more extents.
-
B. Multiple tablespaces can share a single data file.
-
C. A data block is the smallest unit of input/output (I/O) in data files.
-
D. It is possible to have tablespaces of different block sizes in a database.
-
E. Each data block in the database always corresponds to one operating system block.
Pregunta 129
Pregunta
Question: 129
You are managing an Oracle Database 11g database. You configured the database to run in
ARCHIVELOG mode. Which two statements are true in this scenario? (Choose two.)
Respuesta
-
A. You must shut down the database instance to perform the backups.
-
B. You must configure the Flash Recovery Area (FRA) for the database.
-
C. You can perform complete database backups without closing the database.
-
D. All the previous closed database backups including control files become invalid after you configure the database to ARCHIVELOG mode.
Pregunta 130
Pregunta
Question: 130
Which two statements are true regarding listeners? (Choose two.)
Respuesta
-
A. Listeners use only the TCP/IP protocol.
-
B. Multiple listener processes can run simultaneously on a host.
-
C. Multiple database instances can be registered with a single listener.
-
D. The listener-related errors can be traced only at the administrative level.
-
E. Only one database instance can be registered with a single listener at any time.
Pregunta 131
Pregunta
Question: 131
The HR user creates a stand-alone procedure as follows and grants the EXECUTE privilege on
the procedure to many database users:
CREATE OR REPLACE PROCEDURE create_dept ( v_deptno NUMBER, v_dname
VARCHAR2,
v_mgr NUMBER, v_loc NUMBER)
BEGIN
INSERT INTO hr.departments VALUES (v_deptno, v_dname, v_mgr, v_loc);
END;
The users having permission to execute the procedure are able to insert records into the
DEPARTMENTS table even though they do not have the INSERT privilege on the table. You
want only those users who have privileges on the DEPARTMENTS table to be able to execute
the procedure successfully.
What would you suggest to the PL/SQL developers to achieve this?
Respuesta
-
A. Create the procedure with definer's right.
-
B. Create the procedure with invoker's right.
-
C. Grant the EXECUTE privilege with GRANT OPTION on the procedure to selected users.
-
D. Create the procedure as part of a PL/SQL package and grant the EXECUTE privilege on the package to selected users.
Pregunta 132
Pregunta
Question: 132
Which two statements are true regarding a tablespace? (Choose two.)
Respuesta
-
A. It can span multiple databases.
-
B. It can consist of multiple data files.
-
C. It can contain blocks of different sizes.
-
D. It can contain segments of different sizes.
-
E. It can contain a part of a nonpartitioned segment.
Pregunta 133
Pregunta
Question: 133
View the Exhibit to examine the output of the DBA_OUTSTANDING_ALERTS view. After 30
minutes, you executed the following command:
SQL> SELECT reason,metric_value FROM dba_outstanding_alerts;
REASON METRIC_VALUE
------------------------------ ----------------------
Tablespace [TEST] is [28 perce 28.125
nt] full
What could be the reason for the elimination of the other rows in the output?
Respuesta
-
A. An Automatic Workload Repository snapshot has been taken recently.
-
B. The non-threshold-based alerts are transferred to DBA_ALERT_HISTORY.
-
C. The threshold alerts conditions are cleared and the alerts are transferred to DBA_ALERT_HISTORY.
-
D. The threshold alerts related to database metrics are permanently stored in DBA_ALERT_HISTORY but not the threshold alerts related to instance metrics.
Pregunta 134
Pregunta
Question: 134
Why does performance degrade when many UPDATE, INSERT, or DELETE statements are
issued on a table that has an associated Bitmap index?
Respuesta
-
A. The DML operations re-create the Bitmap index blocks.
-
B. The Bitmap index is rebuilt automatically after a DML operation.
-
C. The smallest amount of a bitmap that can be locked is a bitmap segment.
-
D. Additional time is taken to remove NULL values from the Bitmap index after a DML operation.
Pregunta 135
Pregunta
Question: 135
The database instance has the following parameter setting:
OS_AUTHENT_PREFIX = OPS$
OS_ROLES = FALSE
REMOTE_OS_AUTHENT = FALSE
REMOTE_OS_ROLES = FALSE
TIMED_OS_STATISTICS = 0
You have a local operating system user SKD. You create a database user OPS$SKD, and then
assign external authentication. The user OPS$SKD has the CREATE SESSION privilege. What
would you achieve by the above process?
Respuesta
-
A. The database user OPS$SKD will be able to administer the database.
-
B. The authentication detail for the database user OPS$SKD is recorded in the password file.
-
C. The local operating system user SKD will be able to access the database instance without specifying the username and password.
-
D. The database user OPS$SKD has to login with the password of the local operating system user SKD to access the database instance.
Pregunta 136
Pregunta
Question: 136
You have two database servers SEMP and SACCT. The database in the SEMP server maintains
the employee information and the database in the SACCT server maintains the accounts payable
information. The employees submit the expense reports to the accounts payable department. A
user of the accounts payable database wants to extract the employee information from the
database in the SEMP server for cross-verification. Which schema object enables the user to
access the information from the remote database?
Respuesta
-
A. Cluster
-
B. Database link
-
C. Mapping table
-
D. Materialized view
Pregunta 137
Pregunta
Question: 137
While observing the index statistics, you find that an index is highly fragmented, thereby resulting
in poor database performance. Which option would you use to reduce fragmentation without
affecting the users who are currently using the index?
Respuesta
-
A. Validate the index structure using the ANALYZE...INDEX command.
-
B. Rebuild the index using the ALTER INDEX..REBUILD ONLINE command.
-
C. Change the block space utilization parameters using the ALTER INDEX command.
-
D. Deallocate the unused space in the index using the ALTER INDEX..DEALLOCATE UNUSED command.
Pregunta 138
Pregunta
Question: 138
Your database instance is running with full workload after database creation. You have decided to
use a fixed-size undo tablespace. You want to use the Undo Advisor to estimate the capacity of
the undo tablespace. Which two factors must you consider before using the Undo Advisor to
estimate the capacity of the undo tablespace? (Choose two.)
Respuesta
-
A. The retention period to support flashback
-
B. The expected length of the longest-running query
-
C. The number of undo tablespaces in the database
-
D. The size of the Flash Recovery Area for the database instance
Pregunta 139
Pregunta
Question: 139
In a new installation of Oracle Database 11g, you perform these activities:
1. Organize software and data on different subdirectories to avoid poor performance.
2. Use consistent naming conventions for database files.
3. Separate administrative information pertaining to the database in different directories.
Which option corresponds to the type of activities you performed?
Respuesta
-
A. Oracle Managed Files
-
B. Oracle Grid Architecture
-
C. Optimal Flexible Architecture
-
D. Oracle database architecture
-
E. Automatic Storage Management
Pregunta 140
Pregunta
Question: 140
You configured the Flash Recovery Area (FRA) for your database. The database instance is
running in ARCHIVELOG mode. The default location for the archived redo log files is the Flash
Recovery Are a. Which two files are removed automatically if the space is required in the FRA as
per the retention policy? (Choose two.)
Respuesta
-
A. Flashback log files
-
B. Backups that have become obsolete
-
C. User managed backups of the data files and control files
-
D. Archived redo log files that have multiple copies in a different archive location and not backed up
Pregunta 141
Pregunta
Question: 141
All the database users are presently connected to the database instance and working. The HR
user has opened three database sessions and executed the following command in one of his
sessions:
SQL> UPDATE persons SET ccode='U031' WHERE ccode='U029';
123 rows updated.
SQL> DELETE FROM persons WHERE exp='Y';
3 rows deleted. The SYS user opens a new session after HR executed the above commands.
Which sessions can see the effect of the UPDATE and DELETE commands?
Respuesta
-
A. All sessions of the HR user only
-
B. All sessions of the HR user and the SYS user
-
C. The session of the HR user that executed the commands
-
D. All the sessions for which the database users have access privilege to the PERSONS table
Pregunta 142
Pregunta
Question: 142
View the Exhibit and examine the privileges granted to the SL_REP user. The EMP table is
owned by the SCOTT user. The SL_REP user executes the following command:
SQL> GRANT SELECT ON scott.emp TO hr;
Which statement describes the outcome of the command?
Respuesta
-
A. The command executes successfully.
-
B. The command produces an error because the EMP table is owned by SCOTT.
-
C. The command produces an error because SL_REP has the GRANT ANY OBJECT PRIVILEGE without ADMIN_OPTION.
-
D. The command produces an error because SL_REP does not have the SELECT privilege with GRANT_OPTION on the EMP table.
Pregunta 143
Pregunta
Question: 143
View the Exhibit and examine the attributes of an undo tablespace. In an OLTP system, the user
SCOTT has started a query on a large table in the peak transactional hour that performs bulk
inserts. The query runs for more than 15 minutes and then SCOTT receives the following error:
ORA-01555: snapshot too old
What could be the reason for this error?
Respuesta
-
A. The query is unable to get a read-consistent image.
-
B. There is not enough space in Flash Recovery Area.
-
C. There is not enough free space in the flashback archive.
-
D. The query is unable to place data blocks in undo tablespace.
Pregunta 144
Pregunta
Question: 144
The user HR receives the following error while inserting data into the TTK table:
ERROR at line 1:
ORA-01653: unable to extend table HR.TTK by 128 in tablespace SMD Upon investigation, you
find that SMD is a small file tablespace.
Which three action would allow the user to insert data? (Choose three.)
Respuesta
-
A. Add a data file to the SMD tablespace.
-
B. Add a data file to the temporary tablespace associated with the user HR.
-
C. Resize the data file associated with the SMD tablespace to make it larger.
-
D. Alter the data file associated with the SMD tablespace to grow automatically.
-
E. Change the segment space management for the SMD tablespace to automatic.
Pregunta 145
Pregunta
Question: 145
In which situation may the UNDO_RETENTION parameter be ignored, even if it is set to a value?
Respuesta
-
A. When the data file of the undo tablespace is autoextensible
-
B. When there are more than one undo tablespaces available in the database
-
C. When the undo tablespace is of a fixed size and retention guarantee is not enabled
-
D. When the undo tablespace is autoextensible and retention guarantee is not enabled
Pregunta 146
Pregunta
Question: 146
After performing a clean shut down of the database instance for maintenance, you mount the
database and then execute a command to open the database:
SQL> ALTER DATABASE OPEN;
Which two statements are true? (Choose two.)
Respuesta
-
A. The online redo log files and online data files are opened.
-
B. All the online data file headers are checked for consistency.
-
C. Instance recovery is performed before opening the database.
-
D. The path and existence of all the log file members are checked.
Pregunta 147
Pregunta
Question: 147
Which two statements are true about checkpointing? (Choose two.)
Respuesta
-
A. The checkpoint frequency decreases with the smaller redo log file size.
-
B. It ensures that all committed data is written to the data files during normal shutdown.
-
C. The frequent full checkpoint in a database can cause the overall degradation of the database performance.
-
D. It prompts the Checkpoint (CKPT) process to write data to the data files and redo information to the online redo log files.
Pregunta 148
Pregunta
Question: 148
Which two statements are true regarding the Oracle Data Pump export and import operations?
(Choose two.)
Respuesta
-
A. You cannot export data from a remote database.
-
B. You can rename tables during an import operation.
-
C. You can overwrite existing dump files during an export operation.
-
D. You can compress the data during export but not the metadata because it is not supported.
Pregunta 149
Pregunta
Question: 149
View the Exhibit.
You are creating an additional database by using the Database Configuration Assistant (DBCA).
You opted to create a General Purpose database and during the database creation realize that
the Block Size field is not enabled. What could be the reason for this?
Respuesta
-
A. You have chosen the File System option as the storage option.
-
B. You have chosen the Automatic Storage Management (ASM) as the storage option.
-
C. The data block size can be increased only when DBCA is invoked from Oracle Universal Installer (OUI).
-
D. You are using General Purpose template and not the Custom Database template to create the database.
Pregunta 150
Pregunta
Question: 150
Your database is functional with a peak load for the last one hour. You want to preserve the
performance statistics collected during this period to be used for comparison when you analyze
the performance of the database in the future. What action would you take to achieve this task?
Respuesta
-
A. Insert finding directives for ADDM tasks in the future.
-
B. Create a baseline on a pair of snapshots spanning the peak-load period.
-
C. Decrease the snapshot interval in the AWR to collect more snapshots during the peak-load period.
-
D. Set the snapshot retention period in the Automatic Workload Repository (AWR) to zero to avoid automatic purging of snapshots.
Pregunta 151
Pregunta
Question: 151
You have statistics collected for some selected tables. Your requirement is that the statistics for
the tables and all dependent indexes must not be overwritten by further statistics collection until a
certain point of time. How would you achieve this?
Respuesta
-
A. Lock statistics for the tables.
-
B. Change STALE_PERCENT to zero for the tables.
-
C. Set the TIMED_STATISTICS parameter to TRUE.
-
D. Set the STATISTICS_LEVEL parameter to BASIC.
-
E. Set the OPTIMIZER_USE_PENDING parameter statistics to TRUE.
Pregunta 152
Pregunta
Question: 152
Which two kinds of failures make the Data Recovery Advisor (DRA) generate a manual checklist?
(Choose two.)
Respuesta
-
A. Failure when no standby database is configured
-
B. Failure because a data file is renamed accidentally
-
C. Failure that requires no archive logs to be applied for recovery
-
D. Failure due to loss of connectivity-for example, an unplugged disk cable
Pregunta 153
Pregunta
Question: 153
Automatic Shared Memory Management is disabled for your database instance. You realize that
there are cases of SQL statements performing poorly because of repeated parsing activity,
resulting in degradation of performance. What would be your next step to improve performance?
Respuesta
-
A. Run the SQL Access Advisor
-
B. Run the Memory Advisor for the SGA.
-
C. Run the Memory Advisor for the PGA.
-
D. Run the Memory Advisor for the shared pool.
-
E. Run the Memory Advisor for the buffer cache.
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