SSCP Security Operations and Administration Practice Question
A company is implementing a new access control system for its data center. Which physical security control is best for preventing tailgating?
⚠ Common exam trap
SSCP candidates often mistake authentication methods like biometric readers or key cards as preventive controls for tailgating. However, these are identification/authentication controls; preventing tailgating requires a physical barrier such as a mantrap that enforces one-at-a-time entry.
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
A mantrap is specifically designed to prevent tailgating by using a small vestibule with two interlocking doors. Only one door can open at a time, and the system typically requires authentication (e.g., badge or biometric) to proceed, ensuring that only one authorized person enters per cycle. This physical barrier directly blocks unauthorized individuals from following an authorized user through a single entry point.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Mantrap
Why this is correct
Two-door system prevents tailgating.
- ✗
Biometric reader
Why it's wrong here
Verifies identity but does not prevent tailgating.
- ✗
Security guard
Why it's wrong here
Can help but not as effective as a mantrap for prevention.
- ✗
CCTV cameras
Why it's wrong here
Detect but do not prevent tailgating.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This SSCP 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 SSCP exam.