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Oracle Database Administration II Sample Questions (Q109-Q114):

NEW QUESTION # 109
You take your database backups by using the RMAN media management interface (MMI).
Which two are true about the use of the RMAN MMI?

A. You can use it to create backup sets for database files.
B. You can use it to create image copies for database files.
C. You can use it to create image copies for entire file systems.
D. You can use it to create proxy copies for entire file systems.
E. You can use it to create proxy copies for database files.

Answer: A,E

NEW QUESTION # 110
Which three are true about upgrading Oracle Grid Infrastructure? (Choose three.)

A. Only the grid user can perform the upgrade.
B. The upgrade process will automatically install all mandatory patches for the current version of Oracle Grid Infrastructure.
C. A direct upgrade can be performed only from the immediately preceding Oracle Grid Infrastructure version.
D. The newer version is installed in a separate Oracle Grid Infrastructure home on the same server as the existing version.
E. Existing Oracle Database instances must be shut down before starting the upgrade.
F. An existing Oracle base can be used.

Answer: A,B,E

Explanation:
Reference:
https://docs.oracle.com/database/121/CWLIN/procstop.htm#CEGEDCDB

NEW QUESTION # 111
Which two are true about SQL Performance Analyzer (SPA)? (Choose two.)

A. It predicts the impact of system changes on SQL workload response time.
B. It offers fine-grained analysis of all the SQL statements in the analysis task as a group.
C. It is integrated with the SQL Access Advisor.
D. It provides before and after execution statistics for each SQL statement in the analysis task
E. SQL statements that were originally run concurrently are run concurrently by SPA.

Answer: A,B

NEW QUESTION # 112
Which three are true about monitoring waits for sessions and services? (Choose three.)

A. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.
B. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
C. V$SESSION_EVENT displays all waits for all past and existing sessions if the wait has occurred at least once for a session.
D. V$SESSION_WAIT_CLASS displays waits broken down by wait class only for waiting sessions.
E. V$SESSION_EVENT displays all waits for all past sessions if the wait has occurred at least once for a session.
F. V$SESSION_WAIT and V$SESSION both contain details of the event on which a session is currently waiting.

Answer: A,B,F

Explanation:
A, E - False : V$SESSION_EVENT displays information on waits for an event by a session.
V$SESSION_WAIT_HISTORY displays the last 10 wait events for each active session.
B - V$SERVICE_EVENT displays aggregated wait counts and wait times for each wait statistic.
C - False : V$SESSION_WAIT_CLASS displays the time spent in various wait event operations on a per-session basis.
D, F - True : V$SESSION_WAIT displays the current or last wait for each session.
V$SESSION.EVENT If the session is currently waiting, then the resource or event for which the session is waiting. If the session is not in a wait, then the resource or event for which the session most recently waited.
Resource :
https://docs.oracle.com/en/database/oracle/oracle-database/19/refrn/V-
SESSION_EVENT.html#GUID-5723D404-83F7-4C8D-8BF2-031B3FFEAAA8

NEW QUESTION # 113
Which three are true about Automatic Workload Repository (AWR), Automatic Database Diagnostic Monitor (ADDM), and the Manageability Monitor (MMON) background process?

A. ADDM performs its analysis only when a DBA requests it.
B. AWR snapshots must be deleted when no longer required by ADDM.
C. By default, AWR snapshots are automatically purged after eight days.
D. ADDM can recommend shrinking the buffer cache.
E. By default, MMON creates an AWR snapshot every 30 minutes.
F. ADDM can recommend extending the buffer cache.

Answer: A,C,D

NEW QUESTION # 114
......

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