ISC2 CC Access Controls Concepts Practice Question
A company wants to implement defense in depth for its data center. Which THREE of the following controls should be included? (Select THREE.)
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
✓
Requiring access badges to enter the building
Defense in depth uses multiple layers: perimeter fencing (physical), access badges (physical/administrative), and encryption (logical).
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Requiring access badges to enter the building
Why this is correct
Correct. Badges control entry.
- ✗
Single sign-on (SSO) for all applications
Why it's wrong here
SSO simplifies access but does not add a layer of defense.
- ✗
Using a single firewall for all network traffic
Why it's wrong here
A single firewall is a single point of failure, not layered.
- ✓
Encrypting data at rest
Why this is correct
Correct. Encryption protects data if other controls fail.
- ✓
Fencing around the building
Why this is correct
Correct. Fencing is a perimeter control.
Go deeper
Related to this question
Learn chapter
Risk Management and Security Controls
Key term
Encryption
Encryption is the process of converting readable data into a secret code to prevent unauthorized access.
Key term
Defense in depth
Defense in depth is a cybersecurity strategy that uses multiple layers of security controls to protect information and systems, so if one layer fails, another layer is already in place to stop the attack.
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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.