CISA Protection of Information Assets Practice Question
An IS auditor is reviewing the physical access controls at a data center. Which TWO of the following are the MOST effective controls to prevent unauthorized 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 with interlocking doors.
Mantraps and turnstiles are designed to prevent tailgating by allowing only one person per 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.
- ✗
CCTV cameras at entry points.
Why it's wrong here
CCTV is detective, not preventive.
- ✗
Security guards checking badges.
Why it's wrong here
Guards can be bypassed or distracted.
- ✓
Mantrap with interlocking doors.
Why this is correct
Mantraps physically prevent tailgating.
- ✓
Turnstiles that allow only one person per authentication.
Why this is correct
Turnstiles mechanically prevent tailgating.
- ✗
Biometric authentication.
Why it's wrong here
Biometrics authenticate identity but do not prevent tailgating.
Go deeper
Related to this question
About these practice questions
This CISA question is part of Courseiva's 995-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. 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.