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FC0-U71 Practice Question: Prevent unauthorized physical access to its…
A company wants to prevent unauthorized physical access to its server room. Which control is best?
⚠ Common exam trap
It's easy for candidates to confuse logical security controls (firewall, antivirus, encryption) with physical security controls, incorrectly assuming any security technology can prevent physical access, when only a physical access control mechanism like a biometric lock directly addresses the scenario.
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
✓
Biometric lock
A biometric lock is the best control for preventing unauthorized physical access to a server room because it authenticates individuals based on unique physiological traits (e.g., fingerprint, iris scan), directly securing the physical entry point. Unlike logical or data-level controls, it addresses the physical security domain by restricting who can enter the room, not what data they can access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Firewall
Why it's wrong here
A firewall controls network traffic, not physical entry.
- ✗
Antivirus
Why it's wrong here
Antivirus protects against malware, not physical access.
- ✓
Biometric lock
Why this is correct
Biometrics verify identity based on physical characteristics, restricting entry to authorized personnel.
- ✗
Encryption
Why it's wrong here
Encryption protects data on storage, not physical access to the room.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This FC0-U71 practice question is part of Courseiva's free CompTIA 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 FC0-U71 exam.