The automatic nightly backup of the /export3 file system failed because of a lack of space on the tape. You need to put in a fresh tape and manually restart the backup. To do this, you need to know which disk device holds the /export3 file system.
Which two commands provide this information? (Choose two.)

A.
/usr/sbin/disks

B.
/usr/sbin/mount

C.
/usr/bin/ls

D.
/usr/bin/du

E.
/usr/sbin/df