CPL Security Systems & Electronic Locking Devices 3

Question 1

Which technology allows contactless card reading at distances of up to 10 cm and operates at 13.56 MHz?

Accepted Answer

High-Frequency (HF) RFID / NFC

Answer

High-frequency RFID at 13.56 MHz (including NFC-compatible MIFARE and DESFire cards) is used for contactless access control at short read ranges.

Question 2

When installing an electric door strike in a hollow metal frame, which consideration is most critical?

Accepted Answer

Matching the strike lip depth to the lockset

Answer

The strike lip must match the depth and projection of the latchbolt to ensure proper engagement and smooth mechanical operation.

Question 3

A hotel uses RFID key cards that expire after checkout. What access control architecture enables this?

Accepted Answer

Standalone offline locks with time-limited credentials

Answer

Hotel RFID systems typically use offline standalone locks where the encoder programs time-limited credentials directly onto the card.

Question 4

What term describes the practice of using multiple independent security technologies together to protect a facility?

Accepted Answer

Defense in depth

Answer

Defense in depth uses layered, overlapping security measures so that failure of any single system does not compromise overall protection.

Question 5

Which code requirement mandates that doors in certain occupancies must unlock automatically when a fire alarm is triggered?

Accepted Answer

IBC Section 1010

Answer

IBC Section 1010 (and related Life Safety Code NFPA 101) requires that electrified locking systems release upon fire alarm activation to allow free egress.

(CPL) Certified Professional Locksmith Practice Test

(CPL) Certified Professional Locksmith Practice Test

CPL Security Systems & Electronic Locking Devices 3