You are managing the APPPROD database as a DBA. You plan to duplicate this database in the same system
with the name DUPDB. You issued the following RMAN commands to create a duplicate database:
Which three are the prerequisites for the successful execution of the above command? (Choose three.)
A.
The source database should be open.
B.
The target database should be in ARCHIVELOG mode if it is open.
C.
RMAN should be connected to both the instances as SYSDBA.
D.
The target database backups should be copied to the source database backup directories.
E.
The password file must exist for the source database and have the same SYS user password as the target.