This LFCS practice question tests your understanding of storage management. 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.
/dev/sda1 on /boot type ext4 (rw,relatime,data=ordered) /dev/sda2 on / type ext4 (rw,relatime,errors=remount-ro,data=ordered) /dev/sdb1 on /home type xfs (rw,relatime,attr2,inode64,noquota) none on /proc type proc (rw,relatime)
Refer to the exhibit. Which filesystem is mounted using the XFS filesystem type?
/dev/sda1 on /boot type ext4 (rw,relatime,data=ordered) /dev/sda2 on / type ext4 (rw,relatime,errors=remount-ro,data=ordered) /dev/sdb1 on /home type xfs (rw,relatime,attr2,inode64,noquota) none on /proc type proc (rw,relatime)
/home
XFS filesystem.
/boot
Why wrong: Ext4 filesystem.
/proc
Why wrong: proc filesystem.
/
Why wrong: Ext4 filesystem.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
/home
The correct answer is A (/home) because the exhibit shows that /home is mounted with the XFS filesystem type, as indicated in the output of the 'df -hT' or similar command. XFS is a high-performance 64-bit journaling filesystem commonly used in Linux for large files and scalability, and it is the default filesystem in RHEL/CentOS 7 and later.
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.
/home
Why this is correct
XFS filesystem.
Related concept
Read the scenario before looking for a memorised answer.
/boot
Why it's wrong here
Ext4 filesystem.
/proc
Why it's wrong here
proc filesystem.
/
Why it's wrong here
Ext4 filesystem.
Common exam traps
Linux Foundation often tests the misconception that the root filesystem (/) is always XFS in modern distributions, but many exam scenarios use ext4 for / and reserve XFS for separate partitions like /home or /var.
Detailed technical explanation
XFS uses a B+ tree structure for directory indexing and supports delayed allocation, which improves performance for large files but can lead to fragmentation under heavy write loads. The 'xfs_info' command can be used to view XFS filesystem details, and 'xfs_repair' is required for recovery instead of 'fsck'. In real-world scenarios, XFS is preferred for large storage arrays (e.g., NAS) due to its scalability up to 8 exabytes.
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 LFCS 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
Storage Management — This question tests Storage Management — Read the scenario before looking for a memorised answer..
The correct answer is: /home — The correct answer is A (/home) because the exhibit shows that /home is mounted with the XFS filesystem type, as indicated in the output of the 'df -hT' or similar command. XFS is a high-performance 64-bit journaling filesystem commonly used in Linux for large files and scalability, and it is the default filesystem in RHEL/CentOS 7 and later.
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 30, 2026
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.
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