Which two statements appropriately describe the backup and recovery procedures on Exadata?

Which two statements appropriately describe the backup and recovery procedures on Exadata?

A.
Cell software backup is automatic and cell recovery is accomplished by using a rescue
procedure.

B.
Data stored in a database is backed up and restored by using CellCLI commands.

C.
Database server software backup is automatic and recovery is accomplished by using a rescue
procedure.

D.
Data stored in a database is backed up and restored by using RMAN commands.

E.
Cell software backup is performed through CellCLI and cell recovery is accomplished by using
a rescue procedure.

Explanation:
A: Your Exadata Storage Servers do not need to be backed up; Exadata
automatically backs these up using a self-maintained internal USB drive.
D: Backup your Oracle databases using Oracle RMAN