Which two statements about recovery manager (RMAN) backup are true?

  1. Online redo log files can be backed up.

  2. RMAN backup can be taken only if the database is configured in ARCHIEVELOG mode.

  3. Only used data blocks can be backed up as backup sets.

  4. Archived redo log files are backed up.

  5. Only consistent database backed up can be performed.


Correct Option: C,D

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