Which of the following best describes the concept of 'thermal imaging' in advanced physical surveillance systems?
Question 2
In the context of CCTV systems, what is the primary function of a 'video encoder'?
Question 3
What is the primary purpose of 'geofencing' in modern physical surveillance, particularly when integrated with mobile patrols or personnel tracking?
Question 4
When conducting a 'site survey' for a new CCTV installation, what is the most critical factor to assess for optimal camera placement?
Question 5
Consider a university campus implementing a new CCTV system. If the system records at $720p$ resolution at $20$ frames per second (fps) for $15$ days, and each camera generates $3$ megabits per second (Mbps) of data, which of the following expressions correctly calculates the total storage required for one camera in gigabytes (GB)?