How to Ensure Only Authorized Personnel Access a Secure Facility?
Which of the following would be the best ways to ensure only authorized personnel can access a secure facility? (Choose two.)
Community Votes
80% of anonymous learners picked answer CD. Votes are pick records left by other test-takers — they are not the verified answer.
Community Insight
The question really tests your ability to focus on the keyword 'authorized,' which demands direct credential verification rather than perimeter deterrence or passive monitoring.
This question tests the distinction between perimeter security measures and direct authentication controls. The community consensus confirms that badge access and access control vestibules are the correct choices because they actively verify and enforce authorization at the point of entry.
Candidates frequently select Fencing (A) alongside Badge Access (C), mistaking 'secure facility' for a request for perimeter barriers instead of recognizing that authorization must be verified at the actual entry point.
Community Discussion (5 comments)
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Expert Analysis
Decoding the Question's Core Requirement
The prompt specifically asks for the best methods to ensure only authorized personnel can access a facility. In cybersecurity and physical security frameworks, this phrasing shifts the focus away from broad perimeter defense or surveillance and directly toward authentication and enforcement mechanisms at the point of entry.Why Badge Access and Access Control Vestibules Win
Badge access (C) serves as the primary credential verification tool, digitally confirming that an individual has been granted permission before unlocking a door or gate. An access control vestibule (D), commonly known as a mantrap or security airlock, physically restricts movement to one person at a time and enforces sequential authentication. Combined, these two controls create a fail-safe authentication layer that directly satisfies the requirement of restricting entry to verified, authorized individuals only.Why the Distractors Fail
While fencing (A) is a fundamental component of physical security, it functions as a delay and deterrent measure rather than an authorization check. As community members noted, choosing fencing often stems from misreading "secure facility" as a campus-wide perimeter question rather than focusing on the critical word "authorized." Video surveillance (B) provides monitoring and forensic value but cannot actively block unauthorized entry. A sign-in sheet (E) relies entirely on voluntary compliance and social engineering resistance, offering zero technical enforcement and leaving the facility vulnerable to tailgating or impersonation.Exam Takeaway
Always map the question's keywords to security control categories: "authorize," "verify," and "prevent" point to access control systems, while "deter," "monitor," and "perimeter" point to physical barriers or CCTV.Official Reference
Exam Strategy
When a security question emphasizes authorization or verification, immediately prioritize active access control mechanisms like smart cards, biometrics, or mantraps. Systematically eliminate perimeter defenses, cameras, and administrative logs, as they either only deter, monitor, or rely on human compliance rather than enforcing technical authorization at the entry point.
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