Huawei H12-421 Actual Free Exam Questions & Community Discussion
When the NeCol5000-A is under nitrogen pressure, the required nitrogen bottle must be equipped with a pressure reducing valve.
Correct Answer: A
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In ECO mode, the UPS operates in the () state when the input is stable.
Correct Answer: C
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What may NetCol 5000-C insulation cotton damage result in?
Correct Answer: B
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NetCol5000-C temperature and humidity sensor dial setting is incorrect may result in ().
Correct Answer: A
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The UPS5000 seismic components are suitable for use in earthquake-prone areas and can effectively support cabinets in the event of an earthquake of 9 intensities and below to prevent the cabinet from tipping over.
Correct Answer: A
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In NetEco "Video" function, you can enter ( ) and other operations (Multiple choice)
Correct Answer: A,B,C,D
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() air supply method must have a reasonable raised floor height.
Correct Answer: D
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The gas fire extinguishing device is a fire extinguishing device composed of (). (Multiple choice)
Correct Answer: B,C,D
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The following () characteristics are standard features of the NetCol 8000-C air conditioner.
Correct Answer: A
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Which of the following is supported by the AI/DI port on the access control actuator?
Correct Answer: C
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In the installation scenario where the indoor unit is higher than the outdoor unit, the oil trap must be set.
Correct Answer: B
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Which of the following options is a natural cooling system?
Correct Answer: B
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