Which statement describes the effect of a backup retention policy on the backup of a backup set?

View the Exhibit and examine the RMAN commands.

Which statement describes the effect of a backup retention policy on the backup of a backup
set?

A.
Either all the copies of a backup set are obsolete or none of them are as per the retention
policy.

B.
The copies of the backup will be reported as obsolete under a redundancy-based backup
retention policy.

C.
The copies of the backup will be reported as obsolete under a recovery window-based
backup retention policy.

D.
All the copies of the backup set are counted as one instance of a backup and will deleted
in backup set exceeds the redundancy-based backup retention policy.