Best Way to Secure an On-Site Data Center Against Insider Intrusion?
Which of the following is the best way to secure an on-site data center against intrusion from an insider?
Community Votes
100% of anonymous learners picked answer B. Votes are pick records left by other test-takers — they are not the verified answer.
Community Insight
The question assesses your grasp of preventive physical access controls; the trap is assuming insiders always have badges, but proper badge systems enforce role-based restrictions and accountability.
Access badges are the recommended solution for securing an on-site data center from insider threats, enabling controlled, role-based entry and audit trails. Community consensus strongly favors access badge over bollards, motion sensors, or video surveillance for this scenario.
A common mistake is selecting video surveillance, as it records but does not prevent unauthorized access; access badges actively enforce authorization, making them the best preventive control.
Community Discussion (4 comments)
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Expert Analysis
Why the Answer Is Correct
Access badges are a form of physical access control that directly manages who can enter a data center. They can be integrated with identity management systems to enforce role-based permissions and create an audit trail of entries. For insider threats, the key is restricting access to only those individuals whose roles require it, making badges the best preventive measure among the options. Even if an insider has a badge, the badge can be configured to allow access only to specific zones and times, minimizing the risk of unauthorized intrusion.Why the Other Options Are Wrong
Bollards are designed to stop vehicle-ramming attacks, not to address insider intrusion from individuals. Motion sensors can detect unexpected presence but do not identify or authorize the person, and insiders are not typically 'unexpected'. Video surveillance provides evidence after an incident but does not prevent an insider from entering. Access control solutions are the only option that offers both prevention and accountability, which is essential for insider threat mitigation.Community Comment Notes
One commenter asked, 'Wouldn't an insider have a badge?' — a valid concern, but the comment highlights that access badges are not universal; they can be restricted by role and time. Another comment emphasized that badges integrate with identity management systems, providing logs of who accessed the data center and when, crucial for auditing. The community unanimously selected the access badge, confirming that it aligns with the exam's focus on preventive controls.Official Reference
Exam Strategy
On 'best way' questions, prioritize controls that deter or prevent, not just detect. For insider threats, remember that physical access should be based on least privilege, so an access badge system with zone restrictions is the strongest choice.
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