Choose two.
Which two are true about a Recovery Manager (RMAN) duplication without a TARGET
Connection?
A.The UNDO TABLESPACE clause is always required when no connection exists to the recovery catalog and the TARGET database is closed. B.RMAN disk-based backups of the database to be duplicated can be used by the auxiliary instance. C.The UNDO TABLESPACE clause is always required when no connection exists to the TARGET instance. D.The UNDO TABLESPACE clause is never required. E.RMAN "pushes" the backups of the database to be duplicated over the network to the auxiliary instance.正确答案BD
