Modern perimeter security relies on a layered approach, typically including physical barriers (fences, walls), surveillance (CCTV), detection systems (alarms, sensors), and deterrence mechanisms (lighting, signage). CCTV, alarm systems, and lighting are widely used and considered fundamental components for effective perimeter security in various settings (industrial, infrastructure, residential). A water moat is a less common, more specialized, and often impractical barrier in most contemporary security applications.
Which one of the following is not necessary for perimeter security ?
Asked in UPSC CISF AC EXE 2018 · Topic: The Governance System (Government Policies and Interventions for Development)
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