SY0-501 · Question #106
SY0-501 Question #106: Real Exam Question with Answer & Explanation
The correct answer is A: Fail safe. When installing new magnetic locks, the primary consideration should be 'fail safe' to ensure employee safety by allowing doors to unlock during a power outage, such as in a fire.
Question
New magnetic locks were ordered for an entire building. In accordance with company policy, employee safety is the top priority. In case of a fire where electricity is cut, which of the following should be taken into consideration when installing the new locks?
Options
- AFail safe
- BFault tolerance
- CFail secure
- DRedundancy
Explanation
When installing new magnetic locks, the primary consideration should be 'fail safe' to ensure employee safety by allowing doors to unlock during a power outage, such as in a fire.
Common mistakes.
- B. Fault tolerance refers to a system's ability to continue operating despite component failures, which is not the primary consideration for the specific state of a lock during a complete power outage for immediate egress safety.
- C. Fail secure means the lock remains locked upon power failure, which would prevent egress and endanger employees during a fire, directly contradicting the priority of employee safety.
- D. Redundancy involves having duplicate components or systems for continuous operation and fault tolerance, but it does not define the default safety state of a magnetic lock itself upon complete power loss.
Concept tested. Fail-safe vs. Fail-secure physical security
Reference. https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-116r1.pdf
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