Jamonero Blanco
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OCA OCA Quiz on OCA-18-Using Grid Infrastructure and Data Movement Tools, created by Jamonero Blanco on 31/01/2017.

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OCA-18-Using Grid Infrastructure and Data Movement Tools

OCA-18-Using Grid Infrastructure and Data Movement Tools

Question 1 of 20

1

1. Which two PL/SQL packages are used by Oracle Data Pump?

Select one or more of the following:

  • A. UTL_DATAPUMP

  • B. DBMS_METADATA

  • C. DBMS_DATAPUMP

  • D. UTL_FILE

  • E. DBMS_SQL

Explanation

Question 2 of 20

1

2. Which of these options is not a benefit of Oracle Data Pump? (Choose two.)

Select one or more of the following:

  • A. Data Pump supports fine-grained object selection using the EXCLUDE , INCLUDE , and
    CONTENT options.

  • B. Data Pump has the ability to specify the target version of the database so that the
    objects exported are compatible. This is useful in moving data from Oracle 12c to
    Oracle 11g.

  • C. Data Pump has the ability to specify the maximum number of threads to
    unload data.

  • D. The DBA can choose to perform the export using a direct path or external tables.

  • E. The Data Pump job can be monitored from another computer on the network.

Explanation

Question 3 of 20

1

3. The Data Pump job maintains a master control table with information about Data
Pump. Choose the right statement.

Select one or more of the following:

  • A. The master table is the heart of Data Pump operation and is maintained in the
    SYS schema.

  • B. The master table contains one row for the operation that keeps track of the object
    being worked so that the job can be restarted in the event of failure.

  • C. During the export, the master table is written to the dump-file set at the beginning
    of export operation.

  • D. The Data Pump job runs in the schema of the job creator with that user’s rights
    and privileges.

  • E. All of the above.

Explanation

Question 4 of 20

1

4. When using the expdp and impdp clients, the parameters LOGFILE , DUMPFILE , and SQLFILE
need a directory object where the files will be written to or read from. Choose the nonsup-
ported method for nonprivileged users.

Select one or more of the following:

  • A. Specify the DIRECTORY parameter.

  • B. Specify the filename parameters with directory:file_name .

  • C. Use the initialization parameter DATA_PUMP_DIR .

  • D. None of the above (all are supported).

Explanation

Question 5 of 20

1

5. Which command-line parameter of expdp and impdp clients connects you to an exist-
ing job?

Select one or more of the following:

  • A. CONNECT_CLIENT

  • B. CONTINUE_CLIENT

  • C. APPEND

  • D. ATTACH

Explanation

Question 6 of 20

1

6. Which option unloads the data and metadata of the SCOTT user, except the tables that
begin with TEMP ? The dump file also should have the DDL to create the user.

Select one or more of the following:

  • A. CONTENT=BOTH TABLES=(not like 'TEMP%') SCHEMAS=SCOTT

  • B. SCHEMAS=SCOTT EXCLUDE=TABLE:"LIKE 'TEMP%'"

  • C. INCLUDE=METADATA EXCLUDE=TABLES:"NOT LIKE 'TEMP%'" SCHEMAS=SCOTT

  • D. TABLES="NOT LIKE 'TEMP%'" SCHEMAS=SCOTT

Explanation

Question 7 of 20

1

7. Which parameter is not a valid one for using the impdp client?

Select one or more of the following:

  • A. REMAP_INDEX

  • B. REMAP_TABLE

  • C. REMAP_SCHEMA

  • D. REMAP_TABLESPACE

  • E. REMAP_DATAFILE

Explanation

Question 8 of 20

1

8. When do you use the FLASHBACK_TIME parameter in the impdp utility?

Select one or more of the following:

  • A. To load data from the dump file that was modified after a certain time.

  • B. To discard data from the dump file that was modified after a certain time.

  • C. When the NETWORK_LINK parameter is used.

  • D. FLASHBACK _ TIME is valid only with expdp , not with impdp .

Explanation

Question 9 of 20

1

9. To perform a Data Pump import from a live database, which parameter needs to be set?

Select one or more of the following:

  • A. db_link

  • B. network_link

  • C. dumpfile

  • D. directory

Explanation

Question 10 of 20

1

10. When is it most appropriate to use an external table?

Select one or more of the following:

  • A. When you need to read binary files (PDF and photos) into Oracle Database

  • B. To query a large file without loading the data into the database

  • C. When the expdp and impdp utilities are not licensed for use

  • D. To load a large file into the database quickly

Explanation

Question 11 of 20

1

11. Choose the statement that is not true from the following about direct path load.

Select one or more of the following:

  • A. Direct path load cannot occur if active transactions against the table are
    being loaded.

  • B. Triggers do not fire during direct path loads.

  • C. During direct path loads, foreign key constraints are disabled at the beginning of
    the load and then re-enabled after the load.

  • D. Only primary key, unique, and NOT NULL constraints are enforced.

  • E. Direct path load allows other users to perform DML operations on the table while
    the direct load operation is in progress.

Explanation

Question 12 of 20

1

12. Which two statements regarding the Grid Infrastructure are true?

Select one or more of the following:

  • A. It is mandatory to create a disk group during the GI install using the Install and
    Configure Oracle Grid Infrastructure for a Standalone Server option.

  • B. You can only create one disk group during the GI install.

  • C. A disk group must have at least two disks.

  • D. After a GI install, ASMCA must be run to configure an ASM instance.

Explanation

Question 13 of 20

1

13. What is the smallest unit of storage in an ASM disk group?

Select one or more of the following:

  • A. Database block

  • B. OS block

  • C. Allocation unit

  • D. Smallest disk in the disk group

Explanation

Question 14 of 20

1

14. Which privilege is required to start and stop an ASM instance?

Select one or more of the following:

  • A. SYSDBA

  • B. SYSASM

  • C. SYSDBA or SYSASM

  • D. SYSDBA or ASMOPER

Explanation

Question 15 of 20

1

15. What Oracle Restart utility that is used to start and stop ASM instances also starts the
listener associated with the ASM?

Select one or more of the following:

  • A. crsca

  • B. asmca

  • C. asmcmd

  • D. srvctl

Explanation

Question 16 of 20

1

16. How many fail groups are required to configure a disk group with NORMAL
redundancy?

Select one or more of the following:

  • A. 0

  • B. 1

  • C. 2

  • D. Fail groups are not applicable for NORMAL redundancy.

Explanation

Question 17 of 20

1

17. Review the following statement, and choose the SQL statement that successfully drops
a disk from the disk group.
SQL> SELECT name, path
FROM v$asm_disk WHERE group_number = 1;
NAME
------------
FRADISK_000
FRADISK_001

PATH
------------------------
/dev/rd/sd10c1
/dev/rd/sd11c1

Select one or more of the following:

  • A. DROP DISK FRADISK_000

  • B. ALTER DISKGROUP DROP DISK FRADISK_000

  • C. ALTER DISKGROUP DROP DISK '/dev/rd/sd10c1'

  • D. ALTER DISKGROUP DROP DISK FRADISK_000, FRADISK_001

Explanation

Question 18 of 20

1

18. Which of the following statements can speed up the disk group rebalancing process?
(Choose two.)

Select one or more of the following:

  • A. ALTER SYSTEM SET ASM_POWER_LIMIT=0

  • B. ALTER SYSTEM SET ASM_POWER_LIMIT=100

  • C. ALTER DISKGROUP oradata REBALANCE POWER 100

  • D. ALTER DISKGROUP oradata ASM_POWER_LIMIT 100

Explanation

Question 19 of 20

1

19. Choose the option that can be used to start an ASM instance.

Select one or more of the following:

  • A. sqlplus

  • B. asmcmd

  • C. asmca

  • D. srvctl

  • E. All of the above

Explanation

Question 20 of 20

1

20. Which command registers an ASM instance in Oracle Restart?

Select one or more of the following:

  • A. srvctl add asm

  • B. srvctl config asm

  • C. srvctl register asm

  • D. srvctl start asm

Explanation

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