easyMultiple ChoiceObjective-mapped
ISC2 CC Practice Question: Which security control is most effective in…
Which security control is most effective in preventing unauthorized physical access to a data center?
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
✓
Mantraps.
Mantraps create a double-door system that prevents tailgating, making them highly effective. Other controls like video surveillance and guards are deterrents but less direct at preventing unauthorized entry.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Mantraps.
Why this is correct
Physically restricts entry to one person at a time.
- ✗
Video surveillance.
Why it's wrong here
Records events but does not prevent physical access.
- ✗
Biometric door locks.
Why it's wrong here
Good for authentication but can be bypassed without a mantrap.
- ✗
Security guards.
Why it's wrong here
Deterrent but can be distracted or overridden.
Go deeper
Related to this question
Learn chapter
Introduction to Security Principles
Key term
Security control
A security control is a safeguard or countermeasure designed to protect the confidentiality, integrity, and availability of information systems and data.
Key term
Tailgating
Tailgating is a physical security breach where an unauthorized person follows an authorized person into a restricted area without proper authentication.
About these practice questions
One of 976 original CC 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 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.