LFCS Question #791: Real Exam Question with Answer & Explanation

The correct answer is C: user. To allow a regular user to mount and unmount a filesystem, the user option must be added to the corresponding entry in /etc/fstab.

Submitted by lukas.cz· Apr 18, 2026Storage Management

Question

To allow a regular user account to mount and unmount a filesystem (for instance, a cdrom or floppy), which of the following options will need to be added to the corresponding line in /etc/fstab?

Options

Anouidchk
Balluser
Cuser
Dauto

Explanation

To allow a regular user to mount and unmount a filesystem, the user option must be added to the corresponding entry in /etc/fstab.

Common mistakes.

A. nouidchk is an NFS mount option related to UID checking, not to enabling regular users to mount local filesystems.
B. alluser is not a valid or recognized mount option for /etc/fstab to allow user mounting.
D. auto ensures the filesystem is mounted automatically at boot or with mount -a, but it does not confer permissions for regular users to manually mount or unmount it.

Concept tested. Linux fstab user mount option

Reference. https://man7.org/linux/man-pages/man5/fstab.5.html

Topics

#/etc/fstab#mounting#user permissions#filesystems

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