XK0-006 Security Practice Question
Which command displays the last successful login times for all users?
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
✓
lastlog
lastlog displays the last login for each user.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
who /var/log/wtmp
Why it's wrong here
who shows currently logged in users.
- ✗
lastb
Why it's wrong here
lastb shows bad login attempts.
- ✗
last
Why it's wrong here
last shows recent logins, not the last login for each user.
- ✓
lastlog
Why this is correct
Correct.
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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.