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Oracle 1Z0-083 Exam Syllabus Topics:

Section	Objectives
Database Backup and Recovery	- Database recovery techniques - RMAN configuration and backup strategies
Security Management	- Database auditing and encryption - User management and privileges
Storage and Space Management	- Segment management - Tablespaces and datafiles
Performance Management	- SQL performance tuning - Automatic Workload Repository (AWR) and diagnostics
Database Architecture and Administration	- Oracle Database architecture components - Multitenant container database (CDB/PDB) concepts

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Oracle Database Administration II Sample Questions (Q130-Q135):

NEW QUESTION # 130
Which three are true about monitoring waits for sessions and services? (Choose three.)

A. V$SESSION_WAIT and V$SESSION both contain details of the event on which a non-waiting session last waited.
B. V$SERVICE_EVENT displays all waits for all services if the wait has occurred at least once for a service.
C. V$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 # 131
Which two are true about the Optimizer Statistics Advisor?

A. It can recommend changes to improve the statistics gathering process.
B. It can be run only automatically.
C. It always analyzes all schemas in the database.
D. It runs automatically every night by default.
E. It can be run only manually.

Answer: A,B

NEW QUESTION # 132
Which two are true about RMAN backups when using a media manager to write backups to tape when there are only two tape drives? (Choose two.)

A. The SBT device should be configured to use PARALLELISM 2 to allow both tape drive to be used simultaneously.
B. Any backup written to the SBT device in this configuration can contain a maximum of two backup sets.
C. Any backup set written to the SBT device in this configuration can contain a maximum of two backup pieces.
D. SBT tape compression can be used even if no RMAN compression is configured.
E. SBT tape compression and RMAN backup compression should be used in parallel.

Answer: A,D

NEW QUESTION # 133
Which two are true about unplugging an application container from a container database and plugging it into a different container database?

A. The application root of an application container should be plugged Into the other CDB before Its application PDBs are plugged in.
B. Unplugging the application root from a CDB unplugs all its application PDBs.
C. It requires only local undo mode in the database where the application container will be unplugged.
D. Application PDBs In the application container must be unplugged before the application root Is unplugged.
E. It requires local undo mode in both container databases.
F. Plugging the application root into a different CDB plugs In all its application PDBs.

Answer: B,D

NEW QUESTION # 134
Which three are true about backing up the control file?

A. It can get backed up automatically as a binary copy.
B. It gets backed up automatically by RMAN as a trace file containing SQL statements for control file recreation when a database backup occurs.
C. It gets backed up automatically by RMAN when the BACKUP SPFILE command is used.
D. It can be backed up manually as a trace file containing SQL statements for control file recreation.
E. It cannot be backed up manually as a binary copy.
F. It can be backed up manually as a binary copy.

Answer: A,D,F

NEW QUESTION # 135
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