Surveillance Technology Quiz 1 (SDL)

With regards to different transmission media, surveillance cameras are classified into 2 types, they are ________ and ________.

Select all correct answers.

• ONVIF

• Analogue

• RS-485

• Digital / IP

Organize these options into the right categories

Groups:

(a) PAL TV

,

(b) NTSC TV

• 625 TV lines

• 50 fields/sec

• Used in N. America and Japan

• 525 TV lines

• 60 fields/sec

• 30 fps

• 25 fps

• Used in Europe and Singapore

Analogue cameras uses (a)   cables for video transmissions.

• coaxial
• RJ45
• Ethernet
• optical

Digital or IP cameras use (a)   cables for video transmissions.

• ethernet
• optical
• coaxial
• power

Organize these options into the right categories

Groups:

(a) Video Format

,

(b) Video Standards

• PSIA

• NTSC

• ONVIF

• PAL

Analogue camera's video is not compressed before transmission thus it can be viewed with ________.

• 1 second delay

• 5 seconds delay

• 10 seconds delay

• no lagging.

A box camera has the following properties. Select all possible answers.

• Fixed viewing angle

• exchangeable lens

• Weather-proof

• explosion-proof

A fixed dome camera has the following properties. Select all possible answers.

• Able to do pan-tilt-zoom functions

• Interchangeable lens

• Indoor applications

• Camera, lens and cablings are protected by the enclosure

A Pan-Tilt-Zoom camera (PTZ) has the following properties. Select all possible answers.

• Have electrical powered optical zoom lens

• Have motors in the camera housing

• Is the cheapest camera

• Is heavier compared to a fixed dome camera

An Infrared camera has the following properties. Select all possible answers.

• Can work in the dark

• Has infrared LEDs

• Infrared image is in color

• Infrared image is in black and white