XK0-006 Security Practice Question
Which TWO commands can be used to lock a user account? (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
✓
usermod -L username
passwd -l locks the password, usermod -L locks the account. Both prevent login.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
passwd -u username
Why it's wrong here
Unlocks account.
- ✗
userdel username
Why it's wrong here
Deletes account.
- ✓
usermod -L username
Why this is correct
Locks account.
- ✗
chage -E 0 username
Why it's wrong here
Expires account immediately, but does not lock; can be re-enabled.
- ✓
passwd -l username
Why this is correct
Locks password (account).
Go deeper
Related to this question
Learn chapter
User and Group Administration
Key term
usermod
usermod is a Linux command that modifies existing user account settings like group membership, home directory, or login shell.
Key term
User
A user is any person, system, or device that interacts with an IT service, resource, or identity system, typically authenticated through credentials and authorized to perform specific actions.
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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.