Free Access Oracle.1Z0-083.v2025-05-02.q283 Practice Test (Page 20)

Question 91

Which two are true about RMAN duplexed backup sets? (Choose two.)

A.They can be created by using the RMAN CONFIGURE command to specify duplexing before taking a backup.

B.They must be written to media.

C.They can be written to media.

D.They can be created only by using the COPIES option of a BACKUP command.

E.They can be written only to disk.

Question 92

Examine this configuration:
1.The ORCL database data files are in Automatic Storage Management (Oracle ASM) disk group +DATA.
2.ORCL uses disk group +FRA for the Fast Recovery Area.
3.LISTENER is the listener for ORCL.
4.The database, listener, ASM instance, and ASM disk groups are managed by Oracle Restart.
5.All components are currently shut down.
You execute this command:

What is the outcome?

A.Only the ORCL database and the ASM instances are started.

B.Only the ORCL database instance is started.

C.The ORCL database, the Oracle ASM instances, the +DATA and +FRA disk groups, and the LISTENER are started.

D.Only the ORCL database instance and the +DATA and +FRA disk groups are started.

E.Only the ORCL database instance, the Oracle ASM instance, and the +DATA and +FRA disk groups are started.

Question 93

Choose three. Which three are true about using an RMAN Recovery Catalog with a pluggable database (PDB) target connection in Oracle Database 19c and later releases?

A.The target PDB must be registered in a Virtual Private Catalog.

B.The base catalog must be used by RMAN when performing point-in-time recovery for the PDB registered in the Virtual Private Catalog.

C.The base catalog owner must give the Virtual Private Catalog access to metadata for one or more PDBs.

D.The target PDB must be registered in both the base catalog and the Virtual Private Catalog.

E.The target PDB must be registered in a base catalog.

F.The base catalog must be enabled for Virtual Private Catalog use.

Question 94

Which three are true about thresholds, metrics, and server-generated alerts? (Choose three.)

A.All metrics are instance related.

B.Cleared stateful alerts are displayed by querying DBA_ALERT_HISTORY.

C.A space usage management alert is automatically cleared after the underlying problem is resolved.

D.They are generated by SMON when a tablespace is 97% full.

E.Metrics are statistical counts for a specific unit.

F.STATISTICS_LEVEL must be set to ALL to generate alerts.

Question 95

While backing up to an SBT channel, you determine that the read phase of your compressed Recovery Manager (RMAN) incremental level 0 backup is a bottleneck.
FORCE LOGGING is enabled for the database.
Which two could improve read performance?

A.Increase the size of the database buffer cache.

B.Increase the level of RMAN multiplexing.

C.Enable asynchronous disk I/O.

D.Increase the size of tape I/O buffers.

E.Disable FORCE LOGGING for the database.

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Question 91

Question 92

Question 93

Question 94

Question 95

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