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What are the divisions of a master key system into hierarchies of access known as?

  1. Levels of Keying

  2. Access Hierarchies

  3. Master Key Levels

  4. Keying Protocols

The correct answer is: Levels of Keying

The divisions of a master key system into hierarchies of access are referred to as "Levels of Keying." This terminology is used to describe how different keys provide varying degrees of access to locks within a particular system. In a well-structured master key system, different levels permit select access to specific areas or assets, creating a layered security approach. For instance, a facility might have a master key that opens all doors, while sub-master keys can access specific groups of locks, and individual keys may only operate singular locks. Understanding the levels of keying is crucial for locksmiths, as it aids in the design and implementation of secure yet convenient access control systems. This understanding ensures that only authorized personnel can reach certain areas, thereby enhancing overall security.