XK0-006 System Management Practice Question
An administrator needs to permanently mount an ext4 filesystem on /dev/sdb1 to the /data directory. Which file must be edited to ensure the mount persists across reboots?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
/etc/fstab
/etc/fstab contains filesystem mount points and options that are automatically mounted at boot.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
/etc/sysconfig/network
Why it's wrong here
Network configuration file.
- ✗
/etc/default/grub
Why it's wrong here
GRUB configuration file, not for filesystem mounts.
- ✓
/etc/fstab
Why this is correct
Correct: /etc/fstab is the filesystem table for permanent mounts.
- ✗
/etc/mtab
Why it's wrong here
/etc/mtab shows currently mounted filesystems, not persistent configuration.
Go deeper
Related to this question
Learn chapter
Navigating the Filesystem
Key term
Mount
Mounting is the process of making a file system or storage device accessible to a computer's operating system by attaching it to a specific directory in the existing directory tree.
Key term
fstab
fstab is a system configuration file in Linux that defines how and where storage devices and partitions are mounted at boot time.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This XK0-006 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the XK0-006 exam.