XK0-006 System Management Practice Question
Which command is used to display the contents of the systemd journal for a specific unit?
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
✓
journalctl -u
journalctl -u unitname displays logs for the specified systemd unit.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
systemctl status unit
Why it's wrong here
Shows status but not the detailed journal.
- ✗
dmesg
Why it's wrong here
Shows kernel ring buffer messages.
- ✗
journalctl -f
Why it's wrong here
-f follows new entries, not specific unit.
- ✓
journalctl -u
Why this is correct
-u specifies the unit.
Go deeper
Related to this question
Learn chapter
Navigating the Filesystem
Key term
systemd
systemd is a system and service manager for Linux operating systems that initializes and manages processes, services, and system resources after the kernel boots.
Key term
journalctl
Journalctl is a command-line tool used to view and query logs collected by the systemd journal, which stores system and application messages on Linux systems.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This XK0-006 practice question is part of Courseiva's free CompTIA 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 XK0-006 exam.