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Quiz von Jamonero Blanco, aktualisiert more than 1 year ago
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Erstellt von Jamonero Blanco
vor fast 8 Jahre
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Frage 1
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1. Which of these is performed by the Resource Manager?
Antworten
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A. Percentages of CPU time are split up.
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B. Percentages of memory are split up.
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C. Percentages of swap space in *nix and virtual memory in Windows are split up.
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D. Disk space is split up.
Frage 2
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2. Which of these can be controlled by Resource Manager?
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A. Active session limits per user groups
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B. Assigning priorities
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C. Controlling runaway or out-of-control sessions
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D. Session idle time limits
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E. All of the above
Frage 3
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3. Which of the following is the most significant and most effective allocation method
controlled by the Resource Manager?
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A. Allocate CPU use between competing sessions
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B. Allocate CPU use between competing sessions based on priorities
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C. Limiting parallel processing
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D. Session idle time limits
Frage 4
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4. How can runaway sessions be curtailed and prevented from overwhelming a system?
(Choose two.)
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A. Automatically aborting a session when archive log space is filled
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B. Automatically aborting a session when rollback reaches an upper limit
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C. Automatically aborting a transaction inside a session when the transaction is too large
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D. Automatically changing the CPU use of a session to a consumer group with a lower priority
Frage 5
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5. Which of these is a Resource Manager object?
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A. Plan direction
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B. Resource consumer plan
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C. Resource allocation method
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D. Subplan directive
Frage 6
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6. Which of these packages are used to administer the Resource Manager? (Choose two.)
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A. DBMS_RESOURCE_MANAGER
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B. DBMS_RESOURCE_MANAGEMENT
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C. DBMS_RESOURCE_MANAGE
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D. DBMS_RESOURCE_MANAGER_PRIVS
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E. DBMS_RESOURCE_MANAGEMENT_PRIVS
Frage 7
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7. A consumer group object can be assigned to which of the following? (Choose two.)
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A. A plan
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B. A subplan
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C. A consumer group
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D. None of the above
Frage 8
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8. If a plan contains two subplans and one consumer group is below the subplan level,
and each of the subplans is allocated 45 percent of CPU cycles each, what is the most
that can be allocated to the consumer group, assuming that the subplans and plan are
fully occupied?
Antworten
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A. 11 percent
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B. 45 percent
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C. 5 percent
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D. 0 percent
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E. None of the above
Frage 9
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9. Which of these can help prevent parallel processing limits from being exceeded, and
help to prevent a database from being swamped by parallel executing queries?
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A. Degree of parallelism
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B. Parallel server processes
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C. Parallel queue timeouts
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D. All of the above
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E. None of the above
Frage 10
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10. How many levels of utilization are there for CPU allocation in the Resource Manager?
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A. 0
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B. 1
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C. 15
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D. 8
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E. None of the above
Frage 11
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11. Which database parameter has an impact on running the Scheduler jobs?
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A. PARALLEL_MAX_SERVERS
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B. JOB_QUEUE_PROCESSES
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C. AQ_TM_PROCESSES
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D. JOB_SCHEDULE_PROCESSES
Frage 12
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12. Which of these are valid Resource Manager–specific privileges?
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A. GRANT_SYSTEM_PRIVS
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B. GRANT_SYSTEM_PRIVILEGES
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C. GRANT_SYS_PRIVS
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D. None of the above
Frage 13
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13. Which of these are initial default resource consumer groups? (Choose two.)
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A. SYSTEM_GROUP
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B. OTHER_GROUP
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C. OTHER_SYSTEM_GROUP
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D. SYS_GROUP
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E. OTHER_GROUPS
Frage 14
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14. With what types of resources does the CREATE_SIMPLE_PLAN procedure work?
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A. *nix cron jobs
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B. Oracle Scheduler job classes
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C. CPU resource allocations only
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D. Creates multiple plans
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E. None of the above
Frage 15
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15. How many consumer groups, CPU percentages, and simple plans can the
CREATE_SIMPLE_PLAN procedure create?
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A. 4, 4, and 1
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B. 8, 8, and 8
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C. 1, 1, and 8
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D. 8, 8, and 1
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E. None of the above
Frage 16
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16. Why does the pending area exist? (Choose the best answer.)
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A. Because there is only one plan active at one time.
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B. Because there is only one plan active at one time, and changing the pending area changes the running plan.
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C. Because there is only one plan active at one time, and changing the pending area does not change the actively running plan.
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D. Because there is only one plan active at one time, and changing the pending area does not change the actively running plan until the pending area has been validated.
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E. None of the above.
Frage 17
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17. How can you tell if a job is disabled in the Oracle Scheduler?
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A. Use the DBA_SCHEDULER view.
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B. Use the DBA_SCHEDULER_JOBS view.
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C. Use the DBA_JOBS view.
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D. All of the above.
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E. None of the above.
Frage 18
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18. If a Scheduler job completes and it will run again in the future, what is its STATE setting?
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A. COMPLETE
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B. RUNNABLE
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C. EDIBLE
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D. SCHEDULED
Frage 19
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19. If you create a job using the CREATE_JOB procedure, how many times can it be executed?
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A. Once
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B. As many times as it is scheduled
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C. Never
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D. Twice
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E. None of the above
Frage 20
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20. Which query can be used to find the names of Oracle Scheduler metadata views?
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A. SELECT table_name FROM dictionary WHERE table_name LIKE 'DBA%SCHED%';
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B. SELECT table_name FROM dictionary WHERE table_name LIKE 'DBA%PLAN%';
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C. SELECT table_name FROM dictionary WHERE table_name LIKE 'DBA%JOB%';
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D. SELECT table_name FROM dictionary WHERE table_name LIKE 'DBA%RSRC%';
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