Free Access Oracle.1Z1-083.v2022-05-30.q253 Practice Test (Page 31)

Question 146

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

A.They can be written only to disk.

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

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

D.They must be written to media.

E.They can be written to media.

Question 147

Which two are true about flashback features in Oracle Database 19c and later releases? (Choose two.)

A.Flashback logs are automatically purged whenever the value of DB_FLASHBACK_RETENTION_TARGET is changed.

B.Flashback logs are monitored for being older than the retention period defined in DB_FLASHBACK_RETENTION_TARGET and can be deleted by an administrator written event trigger.

C.Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET before there is space pressure.

D.Flashback logs are monitored and proactively deleted when beyond the retention period defined in DB_FLASHBACK_RETENTION_TARGET only after there is space pressure.

E.Flashback logs are automatically purged when DB_FLASHBACK_RETENTION_TARGET is set lower than the time they have already been retained.

Question 148

Choose two. Which two are prerequisites for using FLASHBACK TABLE?

A.The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege must be granted to the user performing the flashback.

B.A table's constraints must be disabled before issuing the flashback.

C.A table's indexes must be set to unusable before issuing the flashback.

D.Row Movement must be enabled on the table being flashed back.

E.The FLASHBACK ANY TABLE system privilege or the FLASHBACK object privilege must be granted to the table owner.

Question 149

Your container database, CDB1, has an application container, HR_ROOT, with an application PDB, HR_PDB1. You have the required privilege to clone HR_PDB1 to container database CDB2, which does not contain HR_ROOT. Which two are always true? (Choose two.)

A.Cloning HR_ROOT automatically clones HR_PDB1.

B.A common user must exist in CDB2 with the CREATE PLUGGABLE DATABASE privilege.

C.The HR_PDB1clone created in CDB2 will be in mount state when cloning ends.

D.CDB1 and CDB2 must be in shared undo mode.

E.All transactions in HR_PDB1 of CDB1 must commit before the cloning process starts.

Question 150

Which four are true about duplicating a database using Recovery Manager (RMAN)? (Choose four.)

A.Duplication can be done by having the auxiliary database instance pull backup sets from the target database instance.

B.A connection to an auxiliary instance is always required.

C.A subset of the target database can be duplicated.

D.A new DBID is always created for the duplicated database.

E.A connection to the recovery catalog instance is always required.

F.A backup of the target database is always required.

G.Duplication can be done by having the target database instance push copies to the auxiliary database instance.

H.A connection to the target database instance is always required.

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