单项选择题

What view might you use to try to determine how long a particular backup will take?（）

A.V$SESSION_EVENT
B.V$SESSION
C.V$W0041ITS
D.V$WAITSTAT
E.V$SESSION_LONGOPS

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单项选择题

What does it mean if a backup is expired?（）

A.The backup set has exceeded the retention criteria set in RMAN and is eligible for removal.
B.The backup set has one or more invalid blocks in it and is not usable for recovery.
C.The backup set contains one or more tablespaces no longer in the database.
D.The backup set contains one or more missing backup set pieces.
E.The backup set is from a previous version of RMAN and was not upgraded.

单项选择题

You want to make sure that your database backup does not exceed 10 hours in length. What command would you issue that would meet this condition?（）

A.backup database plus archivelog
B.backup database plus archivlog until time ‘10:00‘
C.backup database plus archivelog timeout ‘10:00‘
D.backup database plus archivelog duration 10:00

单项选择题

ou have backed up your database twice without connecting to the recovery catalog. What command do you issue to transfer the control-file metadata to the recovery catalog? （）

A.synch catalog
B.resync catalog
C.replicate catalog
D.update catalog
E.restore catalog