A customer is planning a new database rollout using Oracle and wants to perform online
backups. Initial tests with NetWorker have shown that the backups cannot be completed
within the backup window of 6 hours. You have analyzed your backup environment and
there are adequate resources to meet this stringent backup window. What is one of the first
things to check in NetWorker or RMAN to increase performance without adding cost and
complexity?

A.
Adjust the maximum number of files in a backup set to be less than the number of
open files

B.
Adjust RMAN channels to have multiple streams per tape device

C.
Adjust RMAN multiplexing to be less than the tape multiplexing setting

D.
Adjust RMAN multiplexing to be equal to or greater than the tape multiplexing
setting

Explanation: