CompTIA Security+ (SY0-701)General Security ConceptsMedium
A facilities manager wants to prevent vehicles from ramming into the entrance of a data center while still allowing pedestrian foot traffic. Which physical security control should be installed?
- AAccess control vestibule
- BBollards
- CFencing
- DMotion-activated lighting
Show answer & explanationAnswer & explanation
Correct answer: B. Bollards
Bollards are short, sturdy posts installed around building entrances specifically to stop vehicle-ramming attacks while still permitting people to walk through.
Why the other options are wrong
- A. An access control vestibule manages entry of individuals, not vehicles.
- C. Fencing establishes a perimeter boundary but is not primarily for stopping vehicle impacts at an entrance.
- D. Lighting improves visibility and deters crime but does not physically stop vehicles.
Bollards
Sturdy vertical posts placed around building entrances to prevent vehicle intrusion while allowing pedestrian access.
- Common at data centers, government buildings, and retail entrances
- Can be fixed or retractable
- A physical, preventive control
Memory trick: Bollards block bumpers