CPL CPL High-Security & Specialty Lock Systems

Question 1

What design feature of Medeco locks provides both key control and pick resistance?

Accepted Answer

Angled and rotating pins that require correct key bitting height and rotation

Answer

Double-sided key bitting only

Answer

A magnetic sidebar mechanism

Answer

Dimple key cuts exclusively

Question 2

Mul-T-Lock cylinders achieve high security primarily through which mechanism?

Accepted Answer

A telescoping pin-within-pin system that doubles the number of required alignments

Answer

An electronic RFID verification step

Answer

Magnetic disc tumblers only

Answer

Side-milled key channels

Question 3

Abloy disc detainer locks are resistant to picking primarily because:

Accepted Answer

They use rotating discs with no springs, eliminating the feedback needed for traditional picking

Answer

They have magnetic pins

Answer

They use electronic verification

Answer

They have more pins than standard cylinders

Question 4

What is the defining characteristic of a dimple key lock compared to a standard pin tumbler lock?

Accepted Answer

The key has dimples milled into its flat faces rather than cuts along its edge

Answer

The key is double-sided with edge cuts only

Answer

The key operates magnetic tumblers

Answer

The key has no bow (handle) section

Question 5

High-security locks that comply with ANSI/BHMA Grade 1 must withstand a minimum of how many open/close cycles?

Accepted Answer

250,000 cycles

Answer

100,000 cycles

Answer

500,000 cycles

Answer

50,000 cycles

Question 6

Which UL listing indicates that a lock cylinder has been tested and certified for pick resistance and attack resistance?

Accepted Answer

UL 437

Answer

UL 305

Answer

UL 768

Answer

UL 2050