AR AC Access Control Contractor Exam
Questions And Correct Answers
(Verified Answers) Plus Rationale2026
Q&A| Instant Download Pdf
1. Which type of access control system allows entry based on credentials
presented by the user?
A. Passive system
B. Mechanical lock system
C. Electronic access control system
D. Biometric override
Rationale: Electronic access control systems use credentials like cards,
fobs, or PINs to allow entry.
2. In access control terminology, what does “fail-safe” mean?
A. The system locks during a power outage
B. The system never fails
C. The system unlocks during a power outage
D. The system requires manual override
Rationale: Fail-safe locks unlock automatically when power is lost to
ensure safe egress in emergencies.
3. Which of the following is a disadvantage of a PIN-based access control
system?
A. Easy to manage
B. Requires physical cards
C. PINs can be shared or guessed
D. Cannot be integrated with other systems
,Rationale: PIN codes can be compromised if shared or observed, reducing
security.
4. Which type of card technology uses radio frequency identification
(RFID)?
A. Magnetic stripe card
B. Proximity card
C. Bar code card
D. Smart chip card
Rationale: Proximity cards use RFID to communicate with a reader
without physical contact.
5. What is the primary function of an access control reader?
A. To store user data
B. To power the locking device
C. To identify and authenticate users
D. To monitor alarms
Rationale: Readers verify user credentials and determine if access should
be granted.
6. Which access control system component keeps a record of all access
events?
A. Reader
B. Lock
C. Controller
D. Power supply
Rationale: Controllers manage access decisions and maintain logs of
entry/exit events.
7. What is the main difference between a magnetic stripe card and a
proximity card?
A. One is more durable
B. One is cheaper
C. Proximity cards do not require physical swiping
D. Magnetic cards use radio frequency
, Rationale: Proximity cards communicate wirelessly with readers, unlike
magnetic stripe cards that must be swiped.
8. Which type of access control system can grant entry without any
human interaction?
A. Mechanical lock
B. Keyed lock
C. Guarded entry
D. Automated electronic system
Rationale: Automated electronic systems allow entry using credentials
without manual assistance.
9. In a door access system, what device physically secures the door?
A. Reader
B. Controller
C. Locking hardware
D. Access card
Rationale: Locking hardware like electric strikes or magnetic locks
physically secures the door.
10. Which standard is commonly used for access control system
communication?
A. IEEE 802.11
B. Wiegand
C. USB
D. TCP/IP
Rationale: The Wiegand protocol is widely used for communication
between readers and controllers.
11. Which type of access control relies on the unique physiological
traits of an individual?
A. PIN code
B. Proximity card
C. Swipe card
D. Biometric system
Questions And Correct Answers
(Verified Answers) Plus Rationale2026
Q&A| Instant Download Pdf
1. Which type of access control system allows entry based on credentials
presented by the user?
A. Passive system
B. Mechanical lock system
C. Electronic access control system
D. Biometric override
Rationale: Electronic access control systems use credentials like cards,
fobs, or PINs to allow entry.
2. In access control terminology, what does “fail-safe” mean?
A. The system locks during a power outage
B. The system never fails
C. The system unlocks during a power outage
D. The system requires manual override
Rationale: Fail-safe locks unlock automatically when power is lost to
ensure safe egress in emergencies.
3. Which of the following is a disadvantage of a PIN-based access control
system?
A. Easy to manage
B. Requires physical cards
C. PINs can be shared or guessed
D. Cannot be integrated with other systems
,Rationale: PIN codes can be compromised if shared or observed, reducing
security.
4. Which type of card technology uses radio frequency identification
(RFID)?
A. Magnetic stripe card
B. Proximity card
C. Bar code card
D. Smart chip card
Rationale: Proximity cards use RFID to communicate with a reader
without physical contact.
5. What is the primary function of an access control reader?
A. To store user data
B. To power the locking device
C. To identify and authenticate users
D. To monitor alarms
Rationale: Readers verify user credentials and determine if access should
be granted.
6. Which access control system component keeps a record of all access
events?
A. Reader
B. Lock
C. Controller
D. Power supply
Rationale: Controllers manage access decisions and maintain logs of
entry/exit events.
7. What is the main difference between a magnetic stripe card and a
proximity card?
A. One is more durable
B. One is cheaper
C. Proximity cards do not require physical swiping
D. Magnetic cards use radio frequency
, Rationale: Proximity cards communicate wirelessly with readers, unlike
magnetic stripe cards that must be swiped.
8. Which type of access control system can grant entry without any
human interaction?
A. Mechanical lock
B. Keyed lock
C. Guarded entry
D. Automated electronic system
Rationale: Automated electronic systems allow entry using credentials
without manual assistance.
9. In a door access system, what device physically secures the door?
A. Reader
B. Controller
C. Locking hardware
D. Access card
Rationale: Locking hardware like electric strikes or magnetic locks
physically secures the door.
10. Which standard is commonly used for access control system
communication?
A. IEEE 802.11
B. Wiegand
C. USB
D. TCP/IP
Rationale: The Wiegand protocol is widely used for communication
between readers and controllers.
11. Which type of access control relies on the unique physiological
traits of an individual?
A. PIN code
B. Proximity card
C. Swipe card
D. Biometric system
