Huawei
H12-411_V2.0 · Question #650
Which of the following statements about battery packs in UPS systems is wrong?
The correct answer is D. When the inverter fails, the battery pack can still supply power to the rear-end load. See the full explanation below for the reasoning.
Question
Which of the following statements about battery packs in UPS systems is wrong?
Options
- AWhen the AC power input is normal, the AC power will charge the battery pack.
- BBatteries are an important part of data center infrastructure and can provide power to back-end
- CIf the UPS input voltage and frequency are wide, the battery life can be extended.
- DWhen the inverter fails, the battery pack can still supply power to the rear-end load.
How the community answered
(61 responses)- A11% (7)
- B3% (2)
- C7% (4)
- D79% (48)
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