LFCS Storage Management Practice Question
Which THREE steps are required to create a new ext4 filesystem on /dev/sdc1 and ensure it is automatically mounted at /mnt/data at boot? (Choose three.)
⚠ Common exam trap
Watch out — candidates often confuse the temporary `mount` command (which does not persist across reboots) with the permanent configuration required in /etc/fstab, and may also mistakenly think setting a filesystem label is a required step for creating or mounting a filesystem.
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
✓
mkfs.ext4 /dev/sdc1
B is correct because `mkfs.ext4 /dev/sdc1` creates a new ext4 filesystem on the specified partition. This is the fundamental step to format the device with the ext4 filesystem type, which is required before the partition can be mounted and used for data storage.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
e2label /dev/sdc1 data
Why it's wrong here
Setting a label is optional.
- ✓
mkfs.ext4 /dev/sdc1
Why this is correct
Creates the ext4 filesystem.
- ✓
mkdir /mnt/data
Why this is correct
Creates the mount point directory.
- ✗
mount /dev/sdc1 /mnt/data
Why it's wrong here
Manual mount is not needed for auto-mount at boot.
- ✓
add entry to /etc/fstab for /dev/sdc1
Why this is correct
fstab entry ensures mount at boot.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This LFCS practice question is part of Courseiva's free Linux Foundation 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 LFCS exam.