Which statement is true about the execution of the command?

You issue the RMAN command:
RMAN> BACKUP SECTION SIZE 300M TABLESPACE users;
Which statement is true about the execution of the command?

A.
The resulting backupset has backup pieces that cannot exceed 300 MB.

B.
RMAN uses multiplexing to perform the backup.

C.
RMAN always performs this type of backup in parallel.

D.
The backup succeeds only if the USERS tablespace is locally managed.

E.
The backup set size is limited to 300 MB.

Explanation:

Reference https://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmbckad.htm#BRADV89546