Oracle 11G OCP 1Z0-053 505

（505）You configured the default backup device type as disk for RMAN backups.

In your database,because of business requirements,you have to take a simultaneous duplicate backup of the data files when the RMAN BACKUP command is used.

What must you set using the RMAN CONFIGURE command to achieve this?

A. MAXSETSIZE TO 2;

B. DEVICE TYPE DISK PARALLELISM 2;

C. RETENTION POLICY TO REDUNDANCY 2;

D. DATAFILE BACKUP COPIES FOR DEVICE TYPE DISK TO 2;

答案：（D）

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