A. To define the physical location of the storage units in the backup environment
B. To specify the backup schedule for storage units
C. To manage the retention period and lifecycle of backup data
D. To provide load balancing and failover for backup jobs
Explanation:
(Storage unit groups in NetBackup enable load balancing and failover for backup jobs, by allowing you to define multiple storage units for a backup policy and specify the order in which they are used for backups.)