C7 Access Control & Surveillance Systems 3

Question 1

Which OSDP feature provides encrypted communication between an access control panel and a card reader?

Accepted Answer

Secure Channel Protocol (SCP) in OSDP v2

Answer

OSDP v2's Secure Channel Protocol (SCP) provides AES-128 encrypted communication between access panels and peripherals.

Question 2

A parking garage access system uses a loop detector to detect vehicles. The detector triggers randomly with no vehicles present. The MOST likely cause is:

Accepted Answer

The inductive loop wire has a broken segment causing detuning

Answer

A broken or shorted loop wire detunes the inductive loop circuit, causing false triggers in the vehicle detector.

Question 3

What is the minimum recommended camera resolution for capturing license plates at a parking lot entry lane at distances up to 15 feet?

Accepted Answer

2 MP with a narrow focal length lens

Answer

License plate capture at up to 15 feet requires at least 2 MP resolution paired with a narrow focal length lens to achieve sufficient pixels-on-target.

Question 4

A fail-secure electric strike will:

Accepted Answer

Unlock when power is removed

Answer

A fail-secure (fail-locked) electric strike remains locked during normal operation and unlocks (releases) only upon power removal — the opposite of fail-safe.

Question 5

Under California law, interior CCTV surveillance cameras in a workplace must NOT be placed in which location?

Accepted Answer

Restrooms, locker rooms, or areas where employees have a reasonable expectation of privacy

Answer

California Penal Code prohibits video surveillance in restrooms, locker rooms, and any location where individuals have a reasonable expectation of privacy.

(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 3