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What is an individual key section that can be used in a multiplex key system called?

  1. Single Key Section

  2. Branch Key

  3. Composite Key

  4. Sub-Master Key

The correct answer is: Single Key Section

In a multiplex key system, the term that refers to an individual key section is known as the "Single Key Section." This designation indicates a specific segment or division within the broader keying structure that allows for various keys to operate multiple locks while providing distinct access levels. By understanding this terminology, locksmiths can better navigate the complexities of multi-level access control systems. The design of multiplex systems facilitates flexibility in keying and enhances security by allowing different groups of keys to interact with sets of locks in a controlled manner. This stands in contrast to more complex terms such as "Branch Key," "Composite Key," or "Sub-Master Key," which describe different functionalities or hierarchies within locking mechanisms but do not pinpoint an individual section in the multiplex context.