This XK0-005 practice question tests your understanding of security. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
An administrator notices that a user's crontab file is not executing. Which two commands can the administrator use to verify the user's crontab configuration? (Select TWO.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
crontab -l -u username
Option B is correct because `crontab -l -u username` lists the current crontab entries for the specified user, allowing the administrator to verify the configured jobs. Option C is correct because on many Linux distributions, user crontab files are stored as plain text files under `/var/spool/cron/crontabs/username`, and reading that file directly shows the same content. Both commands let the administrator inspect the exact cron schedule and commands for that user.
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.
✗
crontab -e -u username
Why it's wrong here
Opens the crontab in an editor, which is for editing, not verification without making changes.
✓
crontab -l -u username
Why this is correct
Lists the contents of the specified user's crontab.
Related concept
Read the scenario before looking for a memorised answer.
✓
cat /var/spool/cron/crontabs/username
Why this is correct
Directly views the crontab file stored in the spool directory.
Related concept
Read the scenario before looking for a memorised answer.
✗
systemctl status cron
Why it's wrong here
Checks whether the cron service is running, not the user's crontab contents.
✗
grep username /etc/crontab
Why it's wrong here
/etc/crontab is the system crontab, not user-specific crontabs.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse commands that verify the cron daemon's status (like `systemctl status cron`) with commands that inspect the actual crontab content, or they mistakenly think editing (`-e`) is the same as listing (`-l`).
Detailed technical explanation
How to think about this question
User crontabs are typically stored in `/var/spool/cron/crontabs/` (or `/var/spool/cron/` on some systems) with the username as the filename, and they are owned by the user and not meant to be edited directly. The `crontab` command enforces proper formatting and permissions, while direct file reads bypass those checks but still show the raw content. In real-world troubleshooting, a common issue is that the cron daemon may not be running (checked with `systemctl status cron`), but that is a separate concern from verifying the crontab configuration itself.
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 XK0-005 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this XK0-005 question in full detail.
Security — This question tests Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: crontab -l -u username — Option B is correct because `crontab -l -u username` lists the current crontab entries for the specified user, allowing the administrator to verify the configured jobs. Option C is correct because on many Linux distributions, user crontab files are stored as plain text files under `/var/spool/cron/crontabs/username`, and reading that file directly shows the same content. Both commands let the administrator inspect the exact cron schedule and commands for that user.
What should I do if I get this XK0-005 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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