Which set of commands will unmount the /data file system so that it is not available to users and then mount the system when you are ready to make it available again?

The following ZFS file system is available on your system:
NAMEUSED AVAIL REFER MOUNTPOINT
files 82K 72.8G 24.5K /data
You want to temporarily unmount the /data file system. Which set of commands will unmount the
/data file system so that it is not available to users and then mount the system when you are ready
to make it available again?

The following ZFS file system is available on your system:
NAMEUSED AVAIL REFER MOUNTPOINT
files 82K 72.8G 24.5K /data
You want to temporarily unmount the /data file system. Which set of commands will unmount the
/data file system so that it is not available to users and then mount the system when you are ready
to make it available again?

A.
umount /data – to unmount the file system; mount /data to mount the file system

B.
zfs unmount /data – to unmount the file system; zfs mount /data to mount the file system

C.
zfs umount /data – to unmount the file system; zfs mount /data to mount the file system

D.
zfs unmount /data – to unmount the file system; zfs mount -a to mount the file system

Explanation:



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