ISC2 CC Access Controls Concepts Practice Question
An organization uses a layered security approach: perimeter fencing, access badge readers at building entrances, biometric scanners in server rooms, and cable locks on laptops. This strategy best exemplifies which access control concept?
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
✓
Defense in depth
Defense in depth employs multiple, overlapping layers of security controls to protect assets; if one layer fails, others still provide protection.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Need-to-know
Why it's wrong here
Need-to-know restricts data access, not physical security layers.
- ✓
Defense in depth
Why this is correct
Multiple overlapping physical controls create defense in depth.
- ✗
Least privilege
Why it's wrong here
Least privilege is about user permissions, not physical layers.
- ✗
Separation of duties
Why it's wrong here
Separation of duties involves dividing tasks among multiple people.
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
Key term
Access control
Access control is the security practice of determining who or what is allowed to view, use, or enter a resource, and under what conditions.
Key term
Organization
An Organization is a top-level container in Google Cloud that represents your company or entities and serves as the root node for all your cloud resources, policies, and access control.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This CC practice question is part of Courseiva's free ISC2 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 CC exam.