CGRC Control Selection Practice Question
When selecting controls for a system that uses mobile devices, you apply an overlay. What is the correct relationship between the baseline and the overlay?
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
✓
The overlay supplements the baseline.
Overlays are used to augment the base control set; they don't replace the baseline but tailor it for a specific context.
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 overlay supplements the baseline.
Why this is correct
The overlay adds or modifies controls for the specific technology.
- ✗
The overlay is used only if the system is High impact.
Why it's wrong here
Overlays apply to all impact levels.
- ✗
The baseline is discarded if an overlay is used.
Why it's wrong here
The baseline provides the core controls.
- ✗
The overlay replaces the entire baseline.
Why it's wrong here
The baseline remains the foundation.
About these practice questions
One of 199 original CGRC 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 (ISC)² exam blueprint
This CGRC 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 CGRC exam.