CompTIA A+ Core 2 (220-1102) — Question 420

Which of the following is used to prevent automobiles from crashing into a building?

Answer options

• A. Cameras
• B. Bollard
• C. Lighting
• D. Biometrics

Correct answer: B

Explanation

The correct answer is B, Bollard, as it is specifically designed to block vehicles and prevent crashes into buildings. Cameras, Lighting, and Biometrics serve different purposes such as surveillance, illumination, and identification, respectively, but do not physically prevent vehicles from crashing.