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單項選擇題

The backup retention policy is configured as RECOVERY WINDOW 2. You executed the following command in Recovery Manager (RMAN) against your database: 
RMAN> REPORT OBSOLETE; 
What would you see in the output?()

A.a list of all the expired backups and copies
B.a list of all those files that have been deleted in the last two days
C.a list of all those files that have been recovered within the last two days
D.a list of backups and copies that are outside the range covered by the current retention policy

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