Surveillance and Monitoring Flashcards
6 cards from real Security Services practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Surveillance and Monitoring flashcards as text
What is the primary purpose of CCTV in security?
Answer: To deter crime, monitor activity, and provide evidence for investigations
CCTV systems deter criminal activity through visible surveillance, allow real-time monitoring, and provide recorded evidence for investigations.
What is 'pan-tilt-zoom' (PTZ) in reference to security cameras?
Answer: A camera that can rotate horizontally, tilt vertically, and zoom in or out
PTZ cameras can be remotely controlled to pan (rotate side to side), tilt (move up and down), and zoom, providing flexible coverage of large areas.
What is 'video analytics' in surveillance systems?
Answer: Software that automatically analyzes video footage to detect specific events or behaviors
Video analytics uses algorithms to automatically analyze video feeds, detecting events like motion, loitering, or perimeter breaches in real time.
What is a 'DVR' in a surveillance system?
Answer: Digital Video Recorder — a device that records video from security cameras
A DVR (Digital Video Recorder) records and stores video footage from security cameras, allowing playback and review of past events.
What is 'camera coverage' in surveillance planning?
Answer: The area visible to cameras, ensuring all critical areas are monitored without blind spots
Camera coverage refers to ensuring that all critical areas of a facility are visible to at least one camera, eliminating blind spots.
What is 'motion detection' in surveillance cameras?
Answer: A feature that triggers recording or alerts when movement is detected in the camera's field of view
Motion detection automatically triggers recording or sends alerts when movement is detected in a camera's field of view, reducing storage needs and enabling faster response.