A NetBackup policy is configured to back up the following paths for a client:

Multi-streaming is enabled for the backups, and multiplexing is set to 4. Backup streams are running slowly.
Which step should the administrator consider to improve backup performance?

A.
increase the multiplexing level

B.
back up only one stream from each physical device on the client

C.
disable multi-streaming

D.
increase the number of data buffers

Explanation: