Which two are true about the creation, configuration and use of

Which two are true about the creation, configuration and use of an RMAN recovery catalog?

A.It cannot be created in any of the target databases.

B.RESYNC CATALOG must be executed after registering each target database.

C.The recovery catalog owner must have the CREATE SESSION privilege and the RECOVERY_CATALOG_OWNER role.

D.REGISTER DATABASE must be executed separately for each target database.

E.The recovery catalog database must be in ARCHIVELOG mode.

F.The recovery catalog schema must be stored in a tablespace containing no other schemas.

正确答案是CD