Which three statements regarding compressed backups are correct?

Which three statements regarding compressed backups are correct? (Choose three)

Which three statements regarding compressed backups are correct? (Choose three)

A.
The compression applies to only image copies.

B.
The compressed backup is applicable to only data files.

C.
The COMPATIBLE parameter must be set to 10.0.0 or higher.

D.
The compressed backup is applicable to only the entire database backup.

E.
Restoration from a compressed backup does not require any special action.

F.
The compression provided by media manager and the RMAN backup compression should not be used together.

Explanation:
For any use of the BACKUP command that creates backupsets, you can take advantage of RMAN’s support for binary compression of backupsets, by using the AS COMPRESSED BACKUPSET option to the BACKUP command. The resulting backupsets are compressed using an algorithm optimized for efficient compression of Oracle database files. No extra uncompression steps are required during recovery if you use RMAN’s integrated compression. If you are backing up to tape and your tape device performs its own compression, you should not use both RMAN backupset compression and the media manager vendor’s compression.
REF.: Oracle(r) 10g Backup and Recovery Guide, 4-6



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