To prevent the loss of data during power failures, use a(n)_____________?
Correct answer: D. UPS
- A. Encryption program
- B. Surge protector
- C. Firewall
- D. UPS
Explanation
A UPS supplies temporary backup power when the main supply fails, allowing work to be saved and systems to shut down safely. A surge protector guards against voltage spikes but does not provide power during an outage.
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