An administrator has several expired backup sets that are still showing under the configured Disk Storage. Which two reasons will prevent the expired backup sets from being deleted? (Select two.)
A . There are other unexpired backup sets that are dependent on them.
B . The expired backup sets need to be duplicated before they will be deleted.
C . The expired backup sets are part of a (Simplified Disaster Recovery) SDR-enabled backup.
D . The expired backup sets have to be overwritten by a new backup job.
E . The expired backup sets need to be manually deleted from the Backup Exec console.
Answer: CE