The switch to backup power must be completed within a deadline of______________________?
Correct answer: A. 50 ms
- A. 50 ms
- B. 55 ms
- C. 70 ms
- D. 100 ms
Explanation
A 50 ms limit is used for the backup-power switchover so the monitored system can continue operating without a noticeable interruption. Longer limits such as 100 ms may allow an unacceptable power gap.
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