Which option must be listed in /etc/fstab to activate user quotas automatically?

A.
quota

B.
user

C.
quotaon

D.
usrquota

Explanation:
To implement quota in partitions, we should mount with usrquota for user quota, grpquota for group quota. Example of mounting /home using usrquota and
grpquota options. LABEL=/home /home ext3 defaults,usrquota,grpquota 1 2