Question 1

What is the primary purpose of lock and key systems in the DoD?

Accepted Answer

The primary purpose of lock and key systems in the DoD is to protect DoD assets, including classified information, from loss or compromise. [Source: CDSE — Lock and Key Systems (PY104.16) Student Guide — "Protecting DoD assets, including classified information, is imperative for our national security." https://www.cdse.edu/Portals/124/Documents/student-guides/PY104-guide.pdf]

Question 2

What are the three basic components shared by all locks?

Accepted Answer

The three basic components shared by all locks are the locking device, the switching device, and the operating mechanism. [Source: CDSE — Lock and Key Systems (PY104.16) Student Guide — "Although there are many different types of locks, they all share three components. They are the locking device, the switching device, and the operating mechanism." https://www.cdse.edu/Portals/124/Documents/student-guides/PY104-guide.pdf]

Question 3

What is a master key system?

Accepted Answer

A master key system is a system with two or more levels of key operation where there is a single master key that fits all of the locks in a facility or group of facilities. [Source: CDSE — Lock and Key Systems (PY104.16) Student Guide — "A master key system is a system with two or more levels of key operation where there is a single master key that fits all of the locks in a facility or group of facilities." https://www.cdse.edu/Portals/124/Documents/student-guides/PY104-guide.pdf]

Question 4

What are some advantages of using a master key system?

Accepted Answer

The primary advantage of a master key system is the convenience to its owner or manager, allowing easy access to locked areas. [Source: CDSE — Lock and Key Systems (PY104.16) Student Guide — "The primary advantage of a master key system is the convenience to its owner or manager." https://www.cdse.edu/Portals/124/Documents/student-guides/PY104-guide.pdf]

Question 5

What factors should be considered when selecting a lock?

Accepted Answer

Factors include cost versus strength, user access, restrictions on lock operation, and life safety considerations. [Source: CDSE — Lock and Key Systems (PY104.16) Student Guide — "When selecting a lock, there are a variety of factors to weigh." https://www.cdse.edu/Portals/124/Documents/student-guides/PY104-guide.pdf]

Question 6

What is the purpose of emergency egress hardware in locks?

Accepted Answer

Emergency egress hardware allows exit by pushing on a push bar or panic bar hardware from the inside so the door automatically unlocks and swings outward. [Source: CDSE — Lock and Key Systems (PY104.16) Student Guide — "Emergency egress hardware is installed to allow exit by pushing on a push bar or panic bar hardware from the inside so the door automatically unlocks and swings outward." https://www.cdse.edu/Portals/124/Documents/student-guides/PY104-guide.pdf]

Question 7

What types of key-operated locks are commonly used by the DoD?

Accepted Answer

Common types include built-in locks, padlocks, and deadbolt locks. [Source: CDSE — Lock and Key Systems (PY104.16) Student Guide — "Some key-operated locks are built into the door or container they are securing." https://www.cdse.edu/Portals/124/Documents/student-guides/PY104-guide.pdf]

Question 8

What is the difference between mortise locks and cylindrical locks?

Accepted Answer

Mortise locks are recessed into the door, while cylindrical locks are the most common type of door locks that have a locking cylinder located in the knob or lever. [Source: CDSE — Lock and Key Systems (PY104.16) Student Guide — "The cylindrical lock is the most common of all door locks in use today." https://www.cdse.edu/Portals/124/Documents/student-guides/PY104-guide.pdf]

Question 9

What are best practices for creating and protecting combinations for locks?

Accepted Answer

Best practices include creating memorable combinations, limiting knowledge of combinations to authorized personnel, and safeguarding records of combinations according to their classification. [Source: CDSE — Lock and Key Systems (PY104.16) Student Guide — "It is important that your cleared employees know what they can and cannot do when it comes to creating, protecting, and changing combinations." https://www.cdse.edu/Portals/124/Documents/student-guides/PY104-guide.pdf]

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