CompTIA Network+ (N10-008) — Question 403

Which of the following is the MOST effective security control to keep a company’s physical perimeter protected against intrusions leveraged by social-engineering techniques?

Answer options

• A. Employee training
• B. Biometric lockers
• C. Access control vestibule
• D. Motion detection

Correct answer: A

Explanation

Employee training is the most effective security control as it educates staff on recognizing and responding to social-engineering attempts. While biometric lockers, access control vestibules, and motion detection enhance physical security, they do not address the human factor that social engineering exploits.