How should I use these Devices, Filesystems and FHS practice questions?

Read each scenario carefully and choose your answer before revealing the explanation. Then check why your choice was right or wrong. Repeat until the reasoning feels automatic.

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LPIC-1 · topic practice

Devices, Filesystems and FHS practice questions

Practise Linux Professional Institute Certification Level 1 LPIC-1 Devices, Filesystems and FHS practice questions — original exam-style scenarios with answer choices, explanations, and analysis of common mistakes.

Courseiva uses original exam-style practice questions designed for learning and revision. The goal is to understand the concepts, recognise exam patterns, and improve through explanations — not memorise copied exam dumps.

Reviewed byJohnson Ajibi· MSc IT Security

20 questionsDomain: Devices, Filesystems and FHS

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What the exam tests

What to know about Devices, Filesystems and FHS

Devices, Filesystems and FHS questions test whether you can apply the concept in context, not just recognise a definition.

How the topic appears in realistic exam-style scenarios.

Which detail in the question changes the correct answer.

How to eliminate plausible but wrong options.

How to connect the question back to the wider exam objective.

Watch out for

Common Devices, Filesystems and FHS exam traps

▸Answering from memory before reading the full scenario.
▸Missing a constraint such as cost, availability, security, scope or command context.
▸Choosing a broad answer when the question asks for the most specific fix.
▸Ignoring why the wrong options are tempting.

Practice set

Devices, Filesystems and FHS questions

20 questions · select your answer, then reveal the explanation

Question 1mediummulti select

Read the full Devices, Filesystems and FHS explanation →

Which THREE directories are required to be directly under the root filesystem (/) according to the Filesystem Hierarchy Standard? (Choose exactly three.)

Trap 1: /lib

/lib is a required directory under /, but it is not one of the three chosen because the question asks for exactly three and /var is also required.

Trap 2: /home

/home is not a required directory; it is recommended but optional, so it is incorrect.

Study all Devices, Filesystems and FHS common traps →

A
/lib
Why wrong: /lib is a required directory under /, but it is not one of the three chosen because the question asks for exactly three and /var is also required.
B
/var
/var is a required directory under / for variable data, making it correct in this set.
C
/sbin
/sbin is a required directory under / for system administration binaries, making it correct.
D
/bin
/bin is a required directory under / for essential user binaries, making it correct.
E
/home
Why wrong: /home is not a required directory; it is recommended but optional, so it is incorrect.

Devices, Filesystems and FHS practice questions

What to know about Devices, Filesystems and FHS

Common Devices, Filesystems and FHS exam traps

Devices, Filesystems and FHS questions

Which THREE directories are required to be directly under the root filesystem (/) according to the Filesystem Hierarchy Standard? (Choose exactly three.)

Which TWO of the following are valid methods to specify a partition in /etc/fstab?

According to the Filesystem Hierarchy Standard (FHS), in which directory should third-party static libraries be installed?

A system administrator wants to mount a USB flash drive formatted with the ext4 filesystem. The device is detected as /dev/sdc1. Which command should be used to mount the device to /mnt/usb?

A Linux system has two SATA disks: /dev/sda (250GB) and /dev/sdb (500GB). The administrator wants to create a logical volume group named 'vgdata' using partitions on both disks, then create a 600GB logical volume named 'lvdata' for a database. Which sequence of commands should be used?

During boot, a Linux system displays 'Kernel panic – not syncing: VFS: Unable to mount root fs on unknown-block(0,0)'. Which of the following is the most likely cause?

Which of the following commands displays the amount of free disk space on all mounted filesystems in a human-readable format?

An administrator needs to create a new ext4 filesystem on /dev/sdb1 and wants to reserve 2% of the blocks for the root user. Which command should be used?

A Linux system has a software RAID1 array /dev/md0 consisting of /dev/sda1 and /dev/sdb1. After replacing a failed disk, the administrator runs 'mdadm --manage /dev/md0 --add /dev/sdc1', but the array remains degraded. Which command should be used to check the status of the array?

Which directory in the Filesystem Hierarchy Standard (FHS) contains essential user command binaries that are needed in single-user mode?

An administrator needs to mount an ISO image file /tmp/image.iso to the directory /mnt/iso. Which command should be used?

A system is running out of disk space on /var. The administrator finds that /var/log/syslog is 4GB. Which of the following is the best course of action to prevent future issues while keeping recent logs?

Which TWO of the following are valid mount options for the ext4 filesystem?

Which THREE of the following commands can be used to display information about block devices?

Which TWO of the following are true about the /proc filesystem?

Based on the lsblk output, which of the following is true?

Exhibit

Based on the /etc/fstab entry, which filesystem will be checked by fsck at boot time?

Exhibit

A system administrator notices that the /tmp directory is filling up quickly, causing applications to fail. The administrator wants to ensure that files in /tmp are automatically cleaned after a certain period. Which of the following is the best approach without installing additional software?

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Exam traps to avoid