CST CCTV Camera Selection & Placement 2

Question 1

Which camera type is best suited for monitoring a large open parking lot with varying light conditions throughout the day?

Accepted Answer

Wide dynamic range (WDR) PTZ camera

Answer

A WDR PTZ camera handles high-contrast lighting and can pan to cover a large parking lot area effectively.

Question 2

What is the minimum recommended camera resolution for capturing license plate numbers at a distance of 50 feet?

Accepted Answer

1080p Full HD

Answer

1080p Full HD provides sufficient pixel density to resolve license plate characters at distances up to approximately 50 feet.

Question 3

A camera mounted at a corner of a building needs to cover two adjacent sides. Which lens type is most appropriate?

Accepted Answer

Wide-angle lens

Answer

A wide-angle lens provides a broader field of view, allowing a single corner-mounted camera to cover two adjacent building sides.

Question 4

When selecting cameras for an indoor retail environment, which feature is most important to prevent blind spots near shelving units?

Accepted Answer

Varifocal lens with wide minimum angle

Answer

A varifocal lens with a wide minimum angle lets the installer adjust the field of view to eliminate blind spots around shelving.

Question 5

What camera placement height is generally recommended for facial recognition applications in a standard-height interior corridor?

Accepted Answer

6–7 feet

Answer

Mounting cameras at 6–7 feet places the lens near face level, producing the optimal downward angle for facial recognition without excessive distortion.

(CST) Certified Surveillance Technician Practice Test

(CST) Certified Surveillance Technician Practice Test

CST CCTV Camera Selection & Placement 2