CST Video and Audio Surveillance Technology

Question 1

What is the primary advantage of IP-based surveillance systems?

Accepted Answer

Better video quality, remote access, and scalability.

Answer

Lower installation cost.

Answer

Simpler to maintain.

Answer

Uses less power.

Question 2

Which technology allows surveillance systems to provide night vision?

Accepted Answer

Infrared (IR) technology.

Answer

Thermal imaging.

Answer

Motion sensors.

Answer

Laser detection.

Question 3

What type of cameras are best suited for wide area surveillance?

Accepted Answer

Pan-tilt-zoom (PTZ) cameras.

Answer

Bullet cameras.

Answer

Dome cameras.

Answer

Hidden cameras.

Question 4

Which audio surveillance technology is used to enhance audio clarity in noisy environments?

Accepted Answer

Directional microphones and noise-canceling technology.

Answer

Omni-directional microphones.

Answer

Amplifiers.

Answer

Regular microphones.

Question 5

How does motion detection in surveillance systems work?

Accepted Answer

By analyzing changes in the camera's field of view.

Answer

By measuring sound levels.

Answer

By detecting changes in temperature.

Answer

By detecting light intensity.

Question 6

What is the primary purpose of video compression in surveillance systems?

Accepted Answer

To reduce the file size for storage and bandwidth efficiency.

Answer

To improve video quality.

Answer

To allow remote viewing of the footage.

Answer

To speed up the camera's frame rate.

Question 7

What is the advantage of using cloud storage for surveillance footage?

Accepted Answer

It enables remote access and secure backup.

Answer

It is more expensive than local storage.

Answer

It provides less storage space.

Answer

It requires constant internet connection.

Question 8

What is a key challenge when using audio surveillance in public spaces?

Accepted Answer

Ensuring compliance with privacy laws and regulations.

Answer

Audio surveillance can be used without any restrictions.

Answer

Audio surveillance is always more effective than video.

Answer

Audio surveillance is only effective indoors.

Question 9

How can wireless surveillance systems be affected by environmental factors?

Accepted Answer

They can be disrupted by interference, obstructions, or poor signal strength.

Answer

Wireless systems are unaffected by environmental factors.

Answer

They are only affected by extreme weather conditions.

Answer

They work better in remote areas without a signal.