This LPIC-1 practice question tests your understanding of devices, filesystems and fhs. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Which TWO options in /etc/fstab affect whether a filesystem is mounted at boot? (Choose two.)
user
Why wrong: user allows ordinary users to mount, but does not relate to boot mounting.
defaults
Why wrong: defaults does not directly relate to boot mount; it includes auto but is not a specific boot option.
auto
auto tells mount -a (boot) to mount the filesystem.
ro
Why wrong: ro sets read-only, does not affect whether it's mounted at boot.
noauto
noauto prevents the filesystem from being mounted at boot.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
auto
The 'auto' option (C) explicitly tells the system to mount the filesystem automatically at boot time via `mount -a` (as run by systemd or init scripts). Conversely, 'noauto' (E) prevents automatic mounting at boot, requiring manual intervention. Both directly control boot-time behavior in /etc/fstab.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
user
Why it's wrong here
user allows ordinary users to mount, but does not relate to boot mounting.
defaults
Why it's wrong here
defaults does not directly relate to boot mount; it includes auto but is not a specific boot option.
auto
Why this is correct
auto tells mount -a (boot) to mount the filesystem.
Related concept
Read the scenario before looking for a memorised answer.
ro
Why it's wrong here
ro sets read-only, does not affect whether it's mounted at boot.
noauto
Why this is correct
noauto prevents the filesystem from being mounted at boot.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse 'auto' with 'defaults' or think 'ro' affects boot mounting, when in fact only 'auto' and 'noauto' directly control automatic mounting at boot.
Detailed technical explanation
Under the hood, the systemd-fstab-generator or the traditional mountall script parses /etc/fstab and runs `mount -a` to mount all entries with the 'auto' flag. The 'noauto' flag is commonly used for removable media or backup drives that should not be mounted unless explicitly requested. A subtle behavior: if neither 'auto' nor 'noauto' is specified, the default is 'auto' (since the default mount options include 'auto' via 'defaults').
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the LPIC-1 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
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FAQ
Devices, Filesystems and FHS — This question tests Devices, Filesystems and FHS — Read the scenario before looking for a memorised answer..
The correct answer is: auto — The 'auto' option (C) explicitly tells the system to mount the filesystem automatically at boot time via `mount -a` (as run by systemd or init scripts). Conversely, 'noauto' (E) prevents automatic mounting at boot, requiring manual intervention. Both directly control boot-time behavior in /etc/fstab.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
This LPIC-1 practice question is part of Courseiva's free LPI 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 LPIC-1 exam.
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