Which three are true about backup, restore, and recovery operations done without using Recovery Manager (RMAN)? (Choose three.) 

Answer options:

A. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in the MOUNT state.
B. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in MOUNT state.
C. An Oracle database can be restored from backup files copied using O/S utilities.
D. Oracle data file backups, copied using an O/S utility, can be added to the RMAN catalog as IMAGE COPIES.
E. Backing up a database in NOARCHIVELOG mode using O/S utilities requires that the database instance be shut down.
F. Oracle archive log backups, copied using an O/S utility, can be added to the RMAN catalog as a backup set.
G. Backing up a database in ARCHIVELOG mode using O/S utilities requires that the database instance be started and the database be in OPEN state.

BDE