CISA Protection of Information Assets Practice Question
An IS auditor is reviewing the physical access controls at a data center. Which of the following is the MOST effective control to prevent tailgating?
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
✓
Mantrap entry system
A mantrap is a small room with two sets of interlocking doors, designed to prevent tailgating by allowing only one person to enter at a time. CCTV, badge access, and visitor logs are supportive but do not directly prevent tailgating.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Badge access system with PIN
Why it's wrong here
Badge and PIN authenticate the user but do not prevent an unauthorized person from following behind.
- ✗
Visitor sign-in log
Why it's wrong here
Sign-in logs provide a record but do not prevent tailgating.
- ✓
Mantrap entry system
Why this is correct
A mantrap physically restricts entry to one person at a time, preventing tailgating.
- ✗
CCTV surveillance at entrances
Why it's wrong here
CCTV records events but does not physically prevent tailgating.
Go deeper
Related to this question
About these practice questions
One of 995 original CISA 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 CISA practice question is part of Courseiva's free ISACA 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 CISA exam.