ISC2 Certified in Cybersecurity (CC) Practice Question
An organization wants a control that directly prevents entry by keeping a door secured until valid credentials are presented. Which measure best satisfies this need as a locking mechanism rather than a monitoring or deterrent control?
Reflective window film that obscures interior assets from outside view
A motion-activated alarm that sounds when the door is opened
An electronic card reader that disengages a door strike after a valid badge swipe
A closed-circuit television camera covering the doorway
A badge-activated card reader that releases an electric door strike is an example of an electronic lock. It physically keeps the door closed until proper authentication occurs, thereby preventing unauthorized entry. A CCTV camera only records activity and serves as a detective control. A motion-activated alarm detects and alerts but does not stop entry. Reflective window film obstructs viewing and acts chiefly as a deterrent, not as a lock.
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How does an electronic card reader control access?
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What is the difference between preventive, detective, and deterrent controls?
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Why is a CCTV camera considered a detective control and not a preventive one?
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ISC2 Certified in Cybersecurity (CC)
Access Control Concepts
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