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Isaca CISA Exam - Topic 5 Question 111 Discussion

Which of the following can BEST reduce the impact of a long-term power failure?
D) Redundant power source
A) Power conditioning unit
B) Emergency power-off switches
C) Battery bank

Isaca CISA Exam - Topic 5 Question 111 Discussion

Actual exam question for Isaca's CISA exam
Question #: 111
Topic #: 5
[All CISA Questions]

Which of the following can BEST reduce the impact of a long-term power failure?

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Suggested Answer: D

by Danica at Mar 04, 2026, 12:35 AM

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Elenora
11 hours ago
I prefer C. A battery bank can provide backup for a long time.
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Dorathy
6 days ago
I think D is the best choice. Redundant power sources can keep systems running.
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Edelmira
11 days ago
Totally agree, a battery bank is a game changer!
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Goldie
16 days ago
Wait, can a battery bank really last that long?
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Valentin
2 months ago
Emergency power-off switches are important too, but not for long-term.
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Aleta
2 months ago
I think a redundant power source is the best option.
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Gladys
2 months ago
A battery bank is essential for backup!
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Charolette
3 months ago
Emergency power-off switches are important too, but not for long-term issues.
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Alishia
3 months ago
Totally agree, a battery bank is essential!
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Mireya
3 months ago
Really? I doubt a power conditioning unit would do much in a long-term failure.
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Jacqueline
3 months ago
I think a redundant power source is the best option.
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Marshall
3 months ago
A battery bank is super helpful for long outages!
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Shenika
3 months ago
I feel like emergency power-off switches are more for safety than actually reducing the impact of a power failure.
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Rodolfo
4 months ago
I’m a bit confused about the difference between a power conditioning unit and a redundant power source. I feel like both could play a role.
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Dorothy
4 months ago
I remember practicing a question about redundant power sources being crucial for maintaining uptime during failures. That might be the answer.
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Royce
4 months ago
I think a battery bank could help, but I'm not entirely sure if it's the best option for long-term outages.
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