220-1002 Question #381: Real Exam Question with Answer & Explanation

The correct answer is A: Uninterruptible power supply. A brownout is a partial reduction in voltage that can damage sensitive electronics or cause data loss. A UPS is the most appropriate solution because it combines battery backup with built-in voltage regulation, protecting computers from both brownouts (under-voltage) and complete

Question

An office location regularly experiences brownouts. Which of the following would be the MOST appropriate solution to protect the office computers?

Options

AUninterruptible power supply
BVoltage regulator
CSurge suppressor
DGenerator

Explanation

A brownout is a partial reduction in voltage that can damage sensitive electronics or cause data loss. A UPS is the most appropriate solution because it combines battery backup with built-in voltage regulation, protecting computers from both brownouts (under-voltage) and complete power outages. A voltage regulator alone handles voltage fluctuations but offers no battery backup. A surge suppressor only protects against over-voltage spikes, not under-voltage events. A generator takes time to start and does not provide immediate, seamless protection.

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