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CCTV Installation and Maintenance Flashcards

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

Read the first 7 CCTV Installation and Maintenance flashcards as text

  1. A CCTV installer is asked to cover a parking lot with high-contrast lighting conditions. Which camera feature is most important?

    Answer: Wide Dynamic Range (WDR)

    Wide Dynamic Range (WDR) allows the camera to simultaneously capture detail in both very bright and very dark areas within the same scene.

  2. What is 'camera masking' in the context of CCTV privacy compliance?

    Answer: Digitally blocking specific areas of the camera's view

    Privacy masking digitally blacks out specific zones within a camera's field of view to prevent recording of private areas such as neighboring properties.

  3. How should a technician test whether a newly installed IP camera is reachable on the network?

    Answer: Ping the camera's IP address from a networked device

    Pinging the camera's assigned IP address confirms basic network connectivity before configuring the NVR or VMS.

  4. Which factor most directly determines the maximum distance for a PoE camera connection without a PoE extender?

    Answer: Ethernet cable length limit of 100 meters

    The IEEE 802.3 Ethernet standard limits PoE cable runs to 100 meters (328 feet) before signal and power loss become problematic.

  5. A PTZ camera is installed outdoors but keeps losing its preset positions after power cycles. What should the technician check?

    Answer: The camera's firmware and preset memory settings

    Preset positions may not be saved if the camera firmware has a bug or the preset memory setting requires manual save confirmation after configuration.

  6. What does 'ONVIF compliance' mean for a CCTV IP camera?

    Answer: The camera follows a standard protocol allowing interoperability with other brands' NVRs

    ONVIF is an open industry standard that ensures IP cameras from different manufacturers can communicate and integrate with compatible NVRs and VMS platforms.

  7. When installing cameras in a stairwell, what camera angle orientation is typically recommended?

    Answer: Angled downward to capture faces at entry/exit landings

    Angling cameras downward at entry and exit landings maximizes face capture and ensures usable identification footage from stairwell users.