为自己加油

Choose three. Which two are true about creating RMAN backups for an

Oracle container database?

A.
Control file backups can be created while connected to the root container.
B.
Archived Redo Log backups can be created while connected to an application root CDB.
C.
Control file backups can be created while connected to a nonroot container.
D.
Online Redo Log backups can be created while connected to the root container.
E.
The BACKUP TABLESPACE command can back up a PDB tablespace even if RMAN is connected to CDB$ROOT.