Practice Exam Questions And Correct

Certified Access Control Technician Practice Exam Questions And Correct Answers (Verified Answers) Plus Rationales 2026 Q&A | Instant Download Pdf

• What is the primary function of an access control system?

a) Monitor CCTV feeds

b) Restrict and grant access to authorized personnel

c) Record fire alarm activity

d) Manage HVAC systems

b) Restrict and grant access to authorized personnel

Rationale: The main purpose of access control is to ensure only

authorized individuals gain entry to secure areas.

• Which of the following is an example of a physical access control

device?

a) Firewall 1 / 4

b) Password

c) Turnstile

d) Encryption key

c) Turnstile

Rationale: Turnstiles are physical barriers used to control entry in

secure environments.

• What is the standard wire gauge commonly used for card reader

connections?

• 12 AWG
• 18 AWG
• 22 AWG
• 26 AWG
• 22 AWG

Rationale: 22 AWG is typically used for low-voltage signal

connections such as card readers.

4. A fail-safe lock is designed to:

a) Lock when power is lost

b) Unlock when power is lost

c) Stay locked permanently

d) Require manual reset after power loss

b) Unlock when power is lost

Rationale: Fail-safe locks release upon power failure to ensure safety

during emergencies. 2 / 4

• What type of lock remains locked even during power failure?

a) Fail-safe

b) Fail-secure

c) Magnetic latch

d) Solenoid latch

b) Fail-secure

Rationale: Fail-secure locks remain locked when power is lost,

maintaining security.

• Which communication protocol is most commonly used for access

control readers?

a) RS-232

b) Wiegand

c) Ethernet

d) Modbus

b) Wiegand

Rationale: Wiegand is a widely used standard for transmitting data

from card readers to controllers.

• What does the acronym “PoE” stand for?

a) Power of Entry

b) Power over Ethernet

c) Protocol over Ethernet

d) Power on Equipment

b) Power over Ethernet 3 / 4

Rationale: PoE allows power and data to be transmitted over a single

Ethernet cable.

• In an access control system, what is the function of the controller?

a) Reads credentials directly

b) Stores and processes access decisions

c) Locks and unlocks doors physically

d) Provides CCTV monitoring

b) Stores and processes access decisions

Rationale: The controller verifies credentials and determines whether

to grant access.

• Which type of cable is typically used for networked access control

systems?

a) Coaxial

b) CAT5e/CAT6

c) Twin-lead

d) Fiber ribbon

b) CAT5e/CAT6

Rationale: CAT5e/CAT6 cables are standard for Ethernet-based

communication in access systems.

• What component converts electrical power to operate door

locks?

a) Transformer

b) Controller

• / 4