Key Systems & Key Control Flashcards
7 cards from real CPL practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Key Systems & Key Control flashcards as text
What is 'key system capacity' in the context of master keying?
Answer: The total number of usable, non-conflicting change key combinations available
Key system capacity is the total number of unique, non-conflicting change key bittings available within a given master key system design.
A school district wants a key system where custodians can access all classrooms but teachers can only open their own room. What system structure achieves this?
Answer: Change keys for teachers and a master key for custodians
Issuing teachers individual change keys and custodians a master key creates a two-level hierarchy that matches the access requirements.
Which of the following is a disadvantage of a large, complex master key system?
Answer: Increased risk of cross-keying and reduced security due to master pins
Adding master pins to create multiple shear lines reduces security because it increases the chance of lock picking and cross-keying vulnerabilities.
What is the correct term for the physical act of cutting a key to a specific bitting code from manufacturer records?
Answer: Code cutting
Code cutting is the process of cutting a key directly from a numerical or alphanumerical bitting code without an original key.
A restricted key system's security relies heavily on which of the following?
Answer: Contractual and legal control over who can purchase key blanks
Restricted key systems derive their security from patented keyways and distribution agreements that legally limit who can obtain blanks.
In key control, what does 'key accountability' mean?
Answer: Knowing at all times who holds which keys and being able to retrieve them
Key accountability means maintaining complete, current knowledge of key issuance so each key can be traced to a responsible individual.
Which of the following best describes a 'keyed-alike' arrangement?
Answer: Multiple different locks that are all operated by a single common key
Keyed-alike means two or more locks are set to the same bitting so one key opens all of them.