Free Access Oracle.1Z0-083.v2025-05-02.q283 Practice Test (Page 36)

Question 171

Which three are true about the SQL Tuning Advisor? (Choose three.)

A.It checks each query being analyzed for missing statistics.

B.It considers all SQL statements being analyzed by the advisor task as a group.

C.It only recommends syntactic changes to SQL statements.

D.It can recommend semantic changes to SQL statements.

E.It builds SQL profiles for each poorly performing SQL statement to prevent regressions.

F.It checks each query being analyzed for stale statistics.

Question 172

Which three are true about Automatic Workload Repository (AWR) and Automatic Database Diagnostic Monitor (ADDM) in an Oracle multitenant environment? (Choose three.)

A.AWR reports can be generated while connected to any container.

B.AWR snapshots can be created in a PDB.

C.All AWR data is stored in the CDB$ROOT SYSAUX tablespace.

D.No AWR data is stored in the CDB$ROOT SYSAUX tablespace.

E.ADDM can run in a nonroot container.

F.AWR snapshots can be created in CDB$ROOT.

Question 173

choose two You configured the Fast Recovery Area (FRA) for your database. The database instance is in ARCHIVELOG mode. The default location for the archived redo log files is the FRA.
Which two files are removed automatically if space is required in the FRA as per the retention policy?

A.RMAN backups that are obsolete

B.user-managed backups of data files and control files

C.archived redo log files that have multiple copies in a different archive location

D.flashback logs

Question 174

A container database (CDB) contains two pluggable databases PDB1 and PDB2.
The LOCAL_UNDO_ENABLED database property is set to FALSE in the CDB. Data file 24 of PDB2 was deleted and you need to restore and recover it.
The only RMAN backup that exists was created with the BACKUP DATABASE command while connected to CDB$ROOT.
Which three are true? (Choose three.)

A.Data file 24 can be restored and recovered while connected to CDB$ROOT.

B.Data file 24 can be recovered only while connected to PDB2.

C.Data file 24 can be restored only while connected to PDB2.

D.Data file 24 can be restored only while connected to CDB$ROOT.

E.Data file 24 can be recovered while connected to PDB2.

F.Data file 24 can be recovered while connected to CDB$ROOT.

Question 175

Choose two. Which two are true about RMAN Multisection backups when a very large data file is divided into four sections?

A.The four sections can be created serially.

B.The four sections can be created in parallel.

C.The four sections must be image copies.

D.The four sections must be contained in backup sets.

E.Each of the file sections must be processed serially.

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Question 171

Question 172

Question 173

Question 174

Question 175

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