Oracle 11G OCP 1Z0-053 272

（272）You issue the following RMAN command to set a retention policy on a database:

RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2;

What will be the outcome of issuing this command?

A. After two days, a backup will be marked obsolete

B. After two days, a backup will be deleted from the media

C. If the RMAN repository has records of two or more recent backups of a file, then older backups will be deleted from the media.

D. If the RMAN repository has records of two or more recent backups of a file, then older backups will be marked obsolete.

答案：（D）

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