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Which of the following statements is true about secure door types?

Robert has been given the responsibility of installing doors that provide different types of protection. He has been told to install doors that provide failsafe, fail-secure, and fail-soft protection. Which of the following statements is true about secure door types?

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A.
Fail-soft defaults to the sensitivity of the area.

B.
Fail-safe defaults to locked.

C.
Fail-secure defaults to unlocked.

D.
Fail-secure defaults to double locked.

Explanation:
A: Doorways with automatic locks can be configured to be fail-secure, fail-safe, or fail-soft. Fail-soft means that locks need to default to being locked or
unlocked, depending on the sensitivity of the data and systems in an area, and if people are working in specific areas of the building. The objective of a fail-soft
system is to fail in a way that preserves as much data and capability as possible.
B is incorrect because fail-safe does not default to locked. A fail-safe setting means that if a power disruption occurs that affects the automated locking system,
the doors default to being unlocked. Fail-safe deals directly with protecting people. If people work in an area and there is a fire or the power is lost, it is not a good
idea to lock them in.
C is incorrect because fail-secure does not default to unlocked. A fail-secure configuration means that the doors default to being locked if there are any
problems with the power. Be careful not to confuse fail-secure with fail-safe. You can think of it this way: If a fail-secure lock fails, the door is secure; i.e., the door
is locked. If a fail-safe lock fails, then the people it protects are safe because they can leave through the door.
D is incorrect because fail-secure does not default to double locked. The doors simply lock if there are problems with the power in a fail-secure configuration.

One Comment on “Which of the following statements is true about secure door types?

  1. joe says:

    Doorways with automatic locks can be configured to be fail-secure, fail-safe, or fail-soft. Fail-soft means that locks need to default to being locked or
    unlocked, depending on the sensitivity of the data and systems in an area, and if people are working in specific areas of the building. The objective of a fail-soft
    system is to fail in a way that preserves as much data and capability as possible.

    具有自動鎖門道可以被配置為故障安全,故障安全或故障弱化。故障弱化意味著需要鎖定默認為被鎖定或
    解鎖,取決於數據和系統中的區域中的靈敏度,並且如果人們在建築物的特定區域的工作。故障軟目標
    系統是可以保留盡可能多的數據和能力盡可能的方式失敗。




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