CST Maintenance and Troubleshooting

Question 1

What is the first step in troubleshooting a surveillance system malfunction?

Accepted Answer

Identify and isolate the issue.

Answer

Replace the malfunctioning component.

Answer

Perform a system reboot.

Answer

Call for professional help.

Question 2

Which tool is commonly used for testing the power supply of surveillance cameras?

Accepted Answer

Multimeter.

Answer

Soldering iron.

Answer

Power tester.

Answer

Oscilloscope.

Question 3

What should be done if a surveillance camera shows a blank screen?

Accepted Answer

Check the power supply, connections, and configuration.

Answer

Reset the camera settings.

Answer

Replace the camera.

Answer

Call customer support.

Question 4

How can you identify a faulty camera lens in a surveillance system?

Accepted Answer

By inspecting the image quality and clarity.

Answer

By checking for visible cracks.

Answer

By cleaning the lens.

Answer

By adjusting the focus.

Question 5

What does it mean if the network video recorder (NVR) is showing an error message?

Accepted Answer

There is a configuration or network issue.

Answer

The NVR is about to fail.

Answer

The cameras need to be reset.

Answer

The NVR requires a firmware update.

Question 6

What can cause a surveillance system to have intermittent video feed?

Accepted Answer

Poor network connectivity, insufficient bandwidth, or configuration issues.

Answer

System overload.

Answer

Improper camera placement.

Answer

Broken cables.

Question 7

What should you do if a camera is producing poor quality video?

Accepted Answer

Adjust the camera's lens, focus, and settings.

Answer

Increase the camera's power.

Answer

Reinstall the camera.

Answer

Replace the cable.

Question 8

What is the best way to prevent camera lens fogging in outdoor surveillance systems?

Accepted Answer

By using weatherproof enclosures and proper ventilation.

Answer

By adjusting the camera's zoom function.

Answer

By using a different power source.

Answer

By lowering the camera's resolution.

Question 9

How often should a surveillance system undergo preventive maintenance?

Accepted Answer

Every 3-6 months.

Answer

Every 2 years.

Answer

Annually.

Answer

Every month.