LFCS Service Configuration Practice Question
A system administrator needs to ensure that a custom service named 'myapp.service' starts automatically after a reboot and also restarts automatically no matter how the service stops, even if it exits normally. Which two actions should the administrator take? (Choose two.)
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Run 'systemctl enable myapp.service' to enable the service.
To start automatically on boot, the service must be enabled via 'systemctl enable'. To restart on any exit, 'Restart=always' must be set in the service file. 'Restart=on-failure' does not cover normal exits; 'After' and 'mask' are irrelevant.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Run 'systemctl mask myapp.service' to prevent manual stops.
Why it's wrong here
Masking prevents the service from being started at all.
- ✓
Run 'systemctl enable myapp.service' to enable the service.
Why this is correct
Correct: Enabling creates symlinks for automatic start at boot.
- ✗
Set 'Restart=on-failure' in the [Service] section of the service file.
Why it's wrong here
This only restarts on failure, not on normal exit.
- ✓
Set 'Restart=always' in the [Service] section of the service file.
Why this is correct
Correct: Restart=always makes the service restart regardless of exit reason.
- ✗
Add 'After=network.target' to the [Unit] section of the service file.
Why it's wrong here
This only ensures ordering, not auto-start or restart.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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.