Which of the following commands will create an ext3 filesystem on /dev/hda2?

Which of the following commands will create an ext3 filesystem on /dev/hda2?

A.
/sbin/mke2fs -d /dev/hda2

B.
/sbin/mke2fs -j /dev/hda2

C.
/sbin/mke2fs -m 3 /dev/hda2

D.
/sbin/mke2fs -c ext3 /dev/hda2

Explanation: