PDX_30_Communications & Security

Question 0

Data system was popular during the 60s – 80s. I have mostly been replaced with

Answer 0

LAN systems

Question 1

Large phone lines are called

Answer 1

Private branch exchange, or PBX,

Can be quite expensive

Question 2

ASHRAE standard 90.2 calls for thermostats capable of a temperature range of:

Answer 2

55°F – 85°F

Question 3

Biometric technique that uses unique pattern of blood vessels at the back of the eye

Answer 3

Retinal scan

Question 4

And automatic method of biometric identification that uses recognition of that Iris of an individuals eye

Answer 4

Iris recognition

Question 5

Security system intrusion detection is classified into three types

Answer 5

Perimeter protection, area or room protection, and object protection.

Question 6

Magnetic contacts, glass break detectors, window screens, photoelectric cells are all examples

Answer 6

Perimeter protection

Question 7

Photoelectric beams, infrared detectors, audio detectors, pressure sensors, ultrasonic detectors are all examples of

Answer 7

Area/room protection