This EX200 practice question tests your understanding of configure local storage. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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 three fields are present in every /etc/fstab entry? (Choose three.)
Why wrong: Incorrect. The dump field is one of the six fields, but the question asks for three; dump is not one of the first three mandatory fields? Actually all six are present. But among the options, device, mount point, filesystem type are always present and are the first three. Dump is also present but not listed? The question says 'three fields', so we choose three correct from options. Since A,B,C are correct, E is not one of those three. So A,B,C correct.
D
Filesystem type
Correct. The filesystem type is the third field.
E
UUID
Why wrong: Incorrect. UUID is an identifier, not a field; it can replace the device field.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Mount point
The /etc/fstab file defines filesystem mount points and options. Every entry must specify the device (or UUID), the mount point, and the filesystem type so the system knows what to mount, where to mount it, and how to interpret the filesystem. Without these three fields, the mount operation cannot proceed.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Mount point
Why this is correct
Correct. The mount point is the second field.
Related concept
Read the scenario before looking for a memorised answer.
✓
Device
Why this is correct
Correct. The device (or UUID) is the first field.
Related concept
Read the scenario before looking for a memorised answer.
✗
Dump field
Why it's wrong here
Incorrect. The dump field is one of the six fields, but the question asks for three; dump is not one of the first three mandatory fields? Actually all six are present. But among the options, device, mount point, filesystem type are always present and are the first three. Dump is also present but not listed? The question says 'three fields', so we choose three correct from options. Since A,B,C are correct, E is not one of those three. So A,B,C correct.
✓
Filesystem type
Why this is correct
Correct. The filesystem type is the third field.
Related concept
Read the scenario before looking for a memorised answer.
✗
UUID
Why it's wrong here
Incorrect. UUID is an identifier, not a field; it can replace the device field.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Red Hat often tests the misconception that UUID is a separate required field, but it is merely a common way to specify the device — the required field is the device identifier, which can be a UUID, label, or kernel device path.
Detailed technical explanation
How to think about this question
The /etc/fstab format is defined as six whitespace-separated fields: device, mount point, filesystem type, mount options, dump, and pass. The first three are mandatory; mount options default to 'defaults' if omitted, and dump/pass default to 0. In a real-world scenario, omitting the mount point or filesystem type causes mount to fail with an error, while a missing device field leaves the system unable to locate the block device.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A practitioner preparing for the EX200 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
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Configure local storage — This question tests Configure local storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Mount point — The /etc/fstab file defines filesystem mount points and options. Every entry must specify the device (or UUID), the mount point, and the filesystem type so the system knows what to mount, where to mount it, and how to interpret the filesystem. Without these three fields, the mount operation cannot proceed.
What should I do if I get this EX200 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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