Online Access Free Oracle.1Z0-083.v2024-11-04.q291 Practice Test (Page 12)

1Z0-083 Exam Question 51

Which two are true about duplicating pluggable databases (PDBs) with RMAN? (Choose two.)

A.Two or more PDBs can be duplicated with the same RMAN DUPLICATE command.

B.All tablespaces belonging to a PDB must be duplicated when duplicating the PDB.

C.The auxiliary instance is automatically created with ENABLE_PLUGGABLE_DATABASE = TRUE.

D.A user with SYSDBA or SYSBACKUP must be logged in with RMAN to the PDB to duplicate it.

E.CDB$ROOT and PDB$SEED are automatically duplicated.

1Z0-083 Exam Question 52

Your database is in ARCHIVELOG mode and you plan to use Flashback Database.
Which two features or parameters manage space availability in the fast recovery area? (Choose two.)

A.using guaranteed UNDO retention

B.the backup optimization policy

C.the DB_RECOVERY_FILE_DEST parameter setting

D.the DB_CREATE_ONLINE_LOG_DEST_n parameter setting

E.the archived log deletion policy

F.the backup retention policy

1Z0-083 Exam Question 53

Oracle Managed Files (OMF) is enabled in a CDB and this command is successfully executed:

Which three are true? (Choose three.)

A.Application PDBs that are subsequently created in the APP1 application container will be cloned from APP1$SEED.

B.A default service is created for the application root APP1.

C.APP1 can never be unplugged.

D.Application PDBs that are subsequently created in the APP1 application container will be cloned from PDB$SEED.

E.An application seed PDB is created for APP1.

F.An application root PDB is created for APP1.

1Z0-083 Exam Question 54

The users tablespace consists of data files 3 and 4 and must always be online in read/write mode. Which two are true about using RMAN to perform an open database back up of this tablespace?

A.Backups can be taken only if the database is in archivelog mode.

B.Backups can be done incrementally.

C.Backups must be done incrementally.

D.Only consistent backups can be created.

E.The database must be registered in an RMAN catalog.

F.Backups must be contained in backup sets.

1Z0-083 Exam Question 55

Which two are true about Oracle Optimizer Statistics, their use, and their collection? (Choose two.)

A.Index balanced B*Tree height is considered when evaluating the cost of using an index.

B.Statistics collected using DBMS_STATS always yield the best optimizer result.

C.The Statistics Advisor generates actions for all recommendations.

D.The Statistics Advisor can help recommend the best way to gather statistics.

E.The number of table rows is considered when evaluating the cost of accessing a table using an index.

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1Z0-083 Exam Question 51

1Z0-083 Exam Question 52

1Z0-083 Exam Question 53

1Z0-083 Exam Question 54

1Z0-083 Exam Question 55

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