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Surveillance & Monitoring Systems Flashcards

7 cards from real CSC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

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  1. When designing a surveillance system for a retail environment, which camera placement strategy BEST deters shoplifting at point-of-sale terminals?

    Answer: Overhead cameras angled to capture both the cashier's hands and the customer's face

    Overhead cameras angled at POS terminals capture transaction activity including hand movements and customer identity, providing evidence for both theft and disputes.

  2. A client asks about the legal requirements for posting signage when deploying video surveillance in a US workplace. What is the BEST general guidance?

    Answer: Many US states require visible notice of video surveillance in non-private areas

    While no single federal law mandates workplace surveillance signage, numerous states have enacted notification requirements, and posting signs is considered a best practice to reduce legal liability.

  3. What is the MAIN security risk associated with using a cloud-based video storage service for surveillance footage?

    Answer: Potential unauthorized access to footage if the provider is breached

    Cloud storage transfers control of sensitive footage to a third party, introducing risk of data breach at the provider level if access controls or encryption are inadequate.

  4. In the context of surveillance system design, what does 'field of view' (FOV) determine?

    Answer: The area visible to the camera based on lens focal length and sensor size

    FOV is the angular extent of the scene captured by a camera, determined by the lens focal length and sensor size, and it dictates how much area a single camera can monitor.

  5. A security consultant is asked to recommend a retention period for surveillance footage in a high-security government facility. What factor should MOST influence this recommendation?

    Answer: Applicable regulations, incident investigation timelines, and organizational policy

    Retention periods must be driven by legal/regulatory requirements, the typical duration between an incident and its discovery, and internal security policy rather than technical defaults.

  6. Which compression codec is MOST widely adopted for modern IP surveillance systems due to its balance of image quality and bandwidth efficiency?

    Answer: H.264 (MPEG-4 AVC)

    H.264 remains the most widely deployed codec in IP surveillance because it delivers good image quality at manageable bitrates and is supported by virtually all cameras and VMS platforms.

  7. What is 'video analytics' as applied to surveillance systems?

    Answer: Automated software analysis of video to detect defined events or behaviors

    Video analytics uses algorithms — including AI-based approaches — to automatically detect events such as perimeter intrusion, object abandonment, or crowd density changes without continuous human monitoring.