This LFCS practice question tests your understanding of service configuration. 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.
Exhibit
Refer to the exhibit.
Output of `systemctl status apache2`:
● apache2.service - LSB: Apache2 web server
Loaded: loaded (/etc/init.d/apache2; generated; vendor preset: enabled)
Active: active (running) since Mon 2023-08-14 10:15:30 UTC; 5min ago
Docs: man:systemd-sysv-generator(8)
Process: 1234 ExecStart=/etc/init.d/apache2 start (code=exited, status=0/SUCCESS)
Main PID: 5678 (apache2)
Warning: apache2.service changed on disk. Run 'systemctl daemon-reload' to reload units.
Based on the exhibit, what is the correct interpretation?
Refer to the exhibit.
Output of `systemctl status apache2`:
● apache2.service - LSB: Apache2 web server
Loaded: loaded (/etc/init.d/apache2; generated; vendor preset: enabled)
Active: active (running) since Mon 2023-08-14 10:15:30 UTC; 5min ago
Docs: man:systemd-sysv-generator(8)
Process: 1234 ExecStart=/etc/init.d/apache2 start (code=exited, status=0/SUCCESS)
Main PID: 5678 (apache2)
Warning: apache2.service changed on disk. Run 'systemctl daemon-reload' to reload units.
A
The service is inactive
Why wrong: Status shows active.
B
The configuration file is corrupt
Why wrong: No indication of corruption; only that the unit file changed.
C
The service is running but the unit file has been modified recently and needs reloading
Active (running) and warning indicate unit file change.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The service is running but the unit file has been modified recently and needs reloading
The 'daemon-reload' notice in the systemctl status output indicates that the unit file has been modified on disk but systemd has not yet reloaded its configuration. Running 'systemctl daemon-reload' will re-read the unit files and apply the changes, which is why option C is correct.
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.
✗
The service is inactive
Why it's wrong here
Status shows active.
✗
The configuration file is corrupt
Why it's wrong here
No indication of corruption; only that the unit file changed.
✓
The service is running but the unit file has been modified recently and needs reloading
Why this is correct
Active (running) and warning indicate unit file change.
Related concept
Read the scenario before looking for a memorised answer.
✗
The service is failing
Why it's wrong here
Status shows active (running).
Common exam traps
Common exam trap: answer the scenario, not the keyword
Linux Foundation often tests the distinction between a service that is running but has a pending configuration reload versus a service that has failed or is inactive, causing candidates to misinterpret the 'daemon-reload' notice as an error.
Trap categories for this question
Command / output trap
Status shows active.
Detailed technical explanation
How to think about this question
When a systemd unit file is modified, systemd does not automatically re-read it; instead, it flags the unit with a 'daemon-reload' notice. Running 'systemctl daemon-reload' triggers a full re-scan of all unit files, applying any changes without restarting the service. This behavior ensures that administrators can safely edit unit files without disrupting running services until they explicitly reload the daemon.
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 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
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.
Service Configuration — This question tests Service Configuration — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The service is running but the unit file has been modified recently and needs reloading — The 'daemon-reload' notice in the systemctl status output indicates that the unit file has been modified on disk but systemd has not yet reloaded its configuration. Running 'systemctl daemon-reload' will re-read the unit files and apply the changes, which is why option C is correct.
What should I do if I get this LFCS 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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