Which of the following description is correct about simpana backup software snapshot? (Multiple choice.)
A . Pause the app before the snapshot, go to the hardware storage snapshot to trigger a common snapshot with application consistency.
B . Backup software snapshot function can automatically find the storage volumeof the file system, database, mail system.
C . Background snapshots can be indexed to ensure application recovery and small particle recovery.
D . Snapshots backup can be offline, the backup server almost has no impact.
Answer: A,B,C,D