Which two are true about duplicating pluggable databases (PDBs) with RMAN? (Choose two.)
A.Two or more PDBs can be duplicated with the same RMAN DUPLICATE command. B.All tablespaces belonging to a PDB must be duplicated when duplicating the PDB. C.The auxiliary instance is automatically created with ENABLE_PLUGGABLE_DATABASE = TRUE. D.A user with SYSDBA or SYSBACKUP must be logged in with RMAN to the PDB to duplicate it. E.CDB$ROOT and PDB$SEED are automatically duplicated.正确答案AD