XK0-006 Security Practice Question
An administrator wants to restrict SSH access to only users in the 'sshusers' group. Which configuration directive should be added to /etc/ssh/sshd_config?
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
✓
AllowGroups sshusers
The AllowGroups directive in sshd_config restricts SSH access to users who are members of the specified group(s).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AllowUsers sshusers
Why it's wrong here
AllowUsers expects usernames, not group names.
- ✗
Match Group sshusers
Why it's wrong here
Match Group is used inside a Match block, not as a standalone directive.
- ✓
AllowGroups sshusers
Why this is correct
AllowGroups allows only users in the specified group to log in via SSH.
- ✗
DenyGroups all
Why it's wrong here
DenyGroups would deny access to groups, not allow.
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JA
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.