A company is revamping its data center's physical security measures. While there are many options available for securing the premises, the company wants to specifically address potential security risks associated with unauthorized personnel gaining access to secure areas. Taking into account that visibility and the ability to monitor individuals is crucial, which of the following would provide the BEST enhancement to the physical security of the area?
The correct answer is "Video surveillance" because it provides continuous monitoring and recording of all activities within the data center, allowing for both real-time visibility and post-incident analysis. Badge readers, while important for controlling entry, do not provide visual monitoring. Guards are a deterrent and can monitor areas, but they cannot offer the continuous, archived, multi-angle coverage that cameras provide and their effectiveness can be limited by human error or lapses. Bollards protect against vehicular threats but do not enhance visibility for monitoring individuals.
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