North Carolina Locksmith Practice Exam

Question: 1 / 435

Which key system allows keys of one key section to not enter the keyway of another key section?

Composite Keyway

Multiplex Key System

The correct choice indicates a key system where the keys of one key section do not have the ability to enter the keyway of another key section. In the case of a multiplex key system, each section has distinct characteristics, which prevents keys from one section from fitting or operating in the locks of another section. This design enhances security and key control because it limits the potential for unauthorized access between different sections of a keying system.

The multiplex key system is particularly useful in facilities where multiple levels of access are required, allowing for effective management of keys and locks through clear segregation. This is often applied in commercial settings where different departments may have their own locks that should not be accessed by keys from other departments, thereby minimizing risks associated with lost or misplaced keys.

In contrast, other options such as composite keyways, multi-section key blanks, and keyway wards do not provide the same level of separation among different key sections, allowing for a larger degree of interchangeability between them. This interchangeability could lead to security vulnerabilities, making the multiplex key system a preferable choice for highly controlled environments.

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Multi Section Key Blank

Key Way Ward

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