Exhibit:

The df -F ufs -k command on your Solaris system gives the output shown in the exhibit. A backup of the / (root) file system without bringing the system to single-user mode or unmounting the / (root) file system is required.
Which command ensures a successful backup of the / (root) file system to the /dev/rmt/0 tape device, regardless of activity on that file system?

A.
ufsdump 0uf /dev/rmt/0 `fssnap -o bs=/opt,raw /`

B.
ufsdump 0uf /dev/rmt/0 `snapfs -o bs=/var/tmp /`

C.
ufsdump 0uf /dev/rmt/0 `snapfs -o bs=/export,raw /`

D.
ufsdump 0uf /dev/rmt/0 `fssnap -o bs=/var/tmp,raw /`

E.
ufsdump -s 0uf /dev/rmt/0 /