An engineer is configuring the Cisco Unified Communications Manager disaster recovery system. Which three statements about the disaster recovery system are true? (Choose three.)
A. It requires the use of schedules for backups.
B. Backup files are encrypted using the cluster security password.
C. If the backup device is listed in a backup schedule, it cannot be manually deleted.
D. If the backup does not complete within 40 hours, the backup times out.
E. Archiving backups to tape drives is supported.
F. SSL is used between the master and local agents.
answer BCF