A file system needs to be backed up without disrupting the service to the users. You decide to
create a snapshot of the file system in question, so that the file system does not have to be
unmounted.
Which step should you take first before creating the snapshot?
A.
remove all old snapshots
B.
locate sufficient backing-store space
C.
insert an empty tape in the tape drive
D.
put the system in single-user mode
Explanation: