The best design for securing physical perimeter protection is Crime Prevention through Environmental Design (CPTED). CPTED is a design philosophy that applies environmental and architectural principles to deter or prevent criminal activities and enhance the security of a physical location. CPTED is based on four main concepts: natural surveillance, natural access control, territorial reinforcement, and maintenance. Natural surveillance is the use of lighting, windows, landscaping, and other features to increase the visibility and awareness of the surroundings. Natural access control is the use of doors, locks, fences, gates, and other barriers to limit or restrict the access to a location. Territorial reinforcement is the use of signs, symbols, colors, and other elements to define and mark the boundaries and ownership of a location. Maintenance is the use of cleaning, repairing, and updating the environment to convey a sense of care and order. CPTED can help to reduce the opportunities and motivations for crime, increase the sense of safety and security, and improve the quality of life. The other options are not the best design for securing physical perimeter protection, as they either do not apply environmental and architectural principles, do not address all the aspects of security, or do not prevent or deter crime. References: CISSP - Certified Information Systems Security Professional, Domain
3. Security Architecture and Engineering, 3.4 Implement and manage physical security, 3.4.1 Apply physical security, 3.4.1.1 Crime Prevention through Environmental Design (CPTED); CISSP Exam Outline, Domain 3.
Security Architecture and Engineering, 3.4 Implement and manage physical security, 3.4.1 Apply physical security, 3.4.1.1 Crime Prevention through Environmental Design (CPTED)