Where can an administrator add or list the service providers for cloud storage?

Refer to the exhibit.

Two media servers, sharing a library with 6 tape drives, exist in the NetBackup environment displayed in the exhibit. Both weekly Full and daily Differential Incremental backups need to run for the clients and each schedule has a different retention period. Because of network topology, some clients back up to Media server 1 and some back up to Media server 2. The environment suffers from multiple status 96 failures during the backup window.
How can the administrator minimize the number of failures?

An administrator has an audible appliance alarm detected in the data center.
Which command should the administrator use to troubleshoot the reason for the alarm?

What is the name of the plug-in that performs deduplication on the NetBackup client or media server?

What is the purpose of the checkpoint restart feature in NetBackup?