ISC Practice Question: Secure Operations Change Management And Disposal
Which command line utility is used on Linux to verify the integrity of binary files during a maintenance patch update?
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
✓
sha256sum
sha256sum calculates a cryptographic hash that can be compared against a known good value to verify binary integrity.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
sha256sum
Why this is correct
This tool is standard for verifying file integrity against known hashes.
- ✗
chown
Why it's wrong here
chown changes file ownership.
- ✗
dd
Why it's wrong here
dd is for data copying and low-level disk operations.
- ✗
chmod
Why it's wrong here
chmod changes file permissions, not integrity.
About these practice questions
This ISC question is part of Courseiva's 209-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. 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 (ISC)² exam blueprint
This ISC practice question is part of Courseiva's free (ISC)² 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 ISC exam.