ISC2 Systems Security Certified Practitioner (SSCP) Practice Question
Your company is retrofitting an office building to serve as a small data center. During the risk assessment you document a three-layer physical security model consisting of a perimeter layer (street to building), a facility layer (building envelope and lobby), and a room layer (server and network rooms). Which new control would specifically strengthen only the facility layer without duplicating protections that belong to the perimeter or room layers?
Convert the server room into a Faraday cage to block wireless eavesdropping.
Equip every server rack with cabinet-level biometric locks that record access events.
Add steel bollards around the property line to prevent vehicle ramming attacks.
Install optical turnstiles with proximity badge readers at each public entrance to the building lobby.
The facility layer is responsible for controlling access once someone has crossed the site perimeter but before reaching restricted processing areas. Optical turnstiles with proximity badge readers, placed at lobby entrances, verify credentials and block tailgating, directly addressing this layer. Steel bollards defend the perimeter, while biometric rack locks and a Faraday-caged server room protect assets inside the room layer. Thus, the turnstiles are the correct choice for enhancing facility-level security.
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Why do optical turnstiles prevent tailgating in physical security?
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What additional protections can the facility layer include beyond optical turnstiles?
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How does the facility layer differ in its role compared to the perimeter and room layers?
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ISC2 Systems Security Certified Practitioner (SSCP)
Security Concepts and Practices
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