Which two statements are true about a duplicate database that is created by using the DUPLICATE command in RMAN? (Choose two.)
A.It is a copy or a subset of the target database.
B.It is opened in RESTRICT mode after a duplicating operation.
C.It is created by using backups and archived redo log files from the target database.
D.It is created with the same database identifier (DBID) as that of target database.