You are preparing to create a RAC cluster. You review the RAC requirements for UNDO tablespaces.
Which three are valid statements? (Choose three.)
A.
You cannot assign a specific UNDO tablespace to a specific instance.
B.
It is not necessary to assign a specific UNDO tablespace to a specific instance.
C.
ALTER SYSTEM SET UNDO_TABLESPACE=undotbs3 SID=’RDBD01′; is correct.
D.
ALTER DATABASE SET UNDO_TABLEPACE=undotbs3 SID=’RDBD01′; is correct.
E.
If no UNDO tablespace is available when the instance starts, the instance stores undo records in the SYSTEM rollback segments.