Which two statements about PDBs and CDBs are true?
A.
There is only one SYSTEM tablespace per CDB.
B.
There is only one instance per PDB.
C.
There is a set of redo log files per PDB.
D.
There is only one UNDO tablespace per CDB.
E.
There is one SYSAUXtablespace per PDB.
DE
DE
DE
DE