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ISC2 CISSP Exam - Topic 8 Question 115 Discussion

A hospital's building controls system monitors and operates the environmental equipment to maintain a safe and comfortable environment. Which of the following could be used to minimize the risk of utility supply interruption?
D) Digital protection and control devices capable of minimizing the adverse impact to critical utility
A) Digital devices that can turn equipment off and continuously cycle rapidly in order to increase supplies and conceal activity on the hospital network
B) Standardized building controls system software with high connectivity to hospital networks
C) Lock out maintenance personnel from the building controls system access that can impact critical utility supplies

ISC2 CISSP Exam - Topic 8 Question 115 Discussion

Actual exam question for ISC2's CISSP exam
Question #: 115
Topic #: 8
[All CISSP Questions]

A hospital's building controls system monitors and operates the environmental equipment to maintain a safe and comfortable environment. Which of the following could be used to minimize the risk of utility supply interruption?

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Suggested Answer: D

The best option to minimize the risk of utility supply interruption for a hospital's building controls system is to use digital protection and control devices capable of minimizing the adverse impact to critical utility. Digital protection and control devices are devices that monitor and regulate the utility supply, such as electricity, water, or gas, and detect and respond to any faults, anomalies, or disruptions in the utility supply. Digital protection and control devices can minimize the adverse impact to critical utility by isolating the affected components, switching to alternative sources, adjusting the load or demand, or activating backup or emergency systems.Digital protection and control devices can help to ensure the continuity and reliability of the utility supply, and to prevent or mitigate any potential damage or harm to the hospital's building controls system, or to the patients and staff12.Reference:CISSP CBK, Fifth Edition, Chapter 4, page 383;CISSP Practice Exam -- FREE 20 Questions and Answers, Question 17.


by Therese at Apr 12, 2026, 07:50 PM

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Reita
2 hours ago
D seems like the best option for protecting utilities.
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Taryn
5 days ago
Digital protection devices are definitely the way to go!
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Henriette
10 days ago
A is a bad idea, it could cause more problems than it solves.
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Ronny
16 days ago
Wait, locking out maintenance staff? That sounds risky!
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Earleen
2 months ago
I disagree, B is more reliable for connectivity.
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Wei
2 months ago
D seems like the best option for protecting utilities.
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Karima
3 months ago
I recall that digital devices can be risky if not managed properly, so I would avoid option A. It seems counterproductive to conceal activity on the network.
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Yong
3 months ago
I practiced a similar question where locking out access was mentioned, but I don't think that would actually help in this scenario.
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Glenn
3 months ago
I'm not entirely sure, but I feel like option B could also be a good choice since standardized software might help with connectivity issues.
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Chan
3 months ago
I remember we discussed the importance of having robust digital protection systems in class. I think option D makes the most sense for minimizing risks.
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