Which task is performed by these commands?

You execute the RMAN commands:
RMAN> BACKUP VALIDATE DATABASE;
RMAN> RECOVER CORRUPTION LIST;
Which task is performed by these commands?

A.
Corrupted blocks, if any, are repaired in the backup created.

B.
Only those data files that have corrupted blocks are backed up.

C.
Corrupted blocks in the data files are checked and repaired before performing the database backup.

D.
The database is checked for physically corrupt blocks and any corrupted blocks are repaired.