010-160 Security And File Permissions Practice Question
What is the result of running 'chmod 000 secret.txt'?
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
✓
No user can access it (except root).
000 removes all permissions for owner, group, and others. The file is inaccessible to everyone except root.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The file becomes read-only for root.
Why it's wrong here
Root can bypass permission checks.
- ✓
No user can access it (except root).
Why this is correct
000 blocks all access.
- ✗
Only the owner can access it.
Why it's wrong here
000 removes owner access too.
- ✗
The file is deleted.
Why it's wrong here
chmod does not delete files.
About these practice questions
One of 190 original 010-160 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official LPI exam blueprint
This 010-160 practice question is part of Courseiva's free LPI 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 010-160 exam.