682. Identify the scenarios in which the RMAN CROSSCHECR command is useful. (Choose all that
A.To check that the obsolete backups are deleted from the repository records and from the disk.
B.To update the RMAN repository if you delete archived redo logs with operating system commands.
C.To update outdated information about backups that disappeared from disk or tape or became corrupted
D.To synchronize the actual files on disk or in the media management catalog with the RMAN repository
for which the backup was not taken using RMAN.
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