C7 Access Control & Surveillance Systems 2

Question 1

Which communication protocol is most commonly used by modern IP-based access control panels to communicate with door controllers?

Accepted Answer

TCP/IP over Ethernet

Answer

Modern IP-based access control systems use TCP/IP over Ethernet to communicate between the head-end panel and networked door controllers.

Question 2

A biometric fingerprint reader fails to recognize enrolled users after a power outage. The MOST likely cause is:

Accepted Answer

The reader's template database was stored in volatile RAM and was lost

Answer

If biometric templates are stored in volatile RAM without battery backup, a power outage erases all enrolled templates.

Question 3

Under California Title 19 regulations, a fire alarm-integrated access control door must unlock upon:

Accepted Answer

Any fire alarm signal activation

Answer

California Title 19 requires that access-controlled doors in the egress path automatically unlock upon any fire alarm activation to allow safe evacuation.

Question 4

A PTZ camera's preset position drifts over time. Which component is MOST likely causing this issue?

Accepted Answer

Worn pan/tilt motor encoders or gears

Answer

Mechanical wear in pan/tilt motor encoders or gears causes positional drift in PTZ camera presets.

Question 5

What is the purpose of a 'mantrap' or 'sally port' in an access control installation?

Accepted Answer

To provide a buffer zone where one door must close before the next opens, preventing tailgating

Answer

A mantrap (sally port) is an interlocked double-door vestibule that ensures only one door is open at a time, preventing tailgating into secure areas.

(C7) California C7 Low Voltage Systems Contractor Certification Practice Test

(C7) California C7 Low Voltage Systems Contractor Certification Practice Test

C7 Access Control & Surveillance Systems 2