CompTIA
220-801 · Question #675
220-801 Question #675: Real Exam Question with Answer & Explanation
The correct answer is C: UPS. A UPS (Uninterruptible Power Supply) protects against brownouts by providing regulated power and battery backup when voltage drops below normal levels.
Question
Which of the following would BEST protect equipment from a brown out?
Options
- AHVAC system
- BSurge suppressor
- CUPS
- DPower strip
Explanation
A UPS (Uninterruptible Power Supply) protects against brownouts by providing regulated power and battery backup when voltage drops below normal levels.
Common mistakes.
- A. An HVAC system controls temperature and airflow and has no role in protecting equipment from electrical voltage fluctuations.
- B. A surge suppressor protects against overvoltage spikes, not undervoltage conditions like a brownout.
- D. A power strip simply distributes power outlets and provides no voltage regulation or protection of any kind.
Concept tested. UPS protection against brownouts and undervoltage
Reference. https://learn.microsoft.com/en-us/windows-hardware/drivers/kernel/power-management-for-ups-devices
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