Huawei H12-421 Actual Free Exam Questions & Community Discussion
Which of the following factors affect battery life? (Multiple Choice)
Correct Answer: A,B,D
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In the Huawei NetCol5000-A line-class precision air conditioner, the () parts are optional.
Correct Answer: A
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When the UPS5000 series multi-rack networking is parallel, the host should be set to ().
Correct Answer: B
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In the water side natural cooling scheme, cooling water can be directly supplied from the cooling tower to the air conditioner to complete the cooling.
Correct Answer: A
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The function of Counter irrigation protection card is when energy reversal occurs in the main road or bypass. The counter irrigation protection card sends a drive alarm signal, and the drive trip switch (customer self-configure) is disconnected, which acts as counter irrigation protection.
Correct Answer: A
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The EPO status interface of the UPS5000-E can select a normally open or normally closed interface according to actual use.
Correct Answer: A
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In order to implement the alarm event remote notification function on NetEco, which of the following tasks need to be set? (Multiple choice)
Correct Answer: A,B,C,D
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When the status of UPS2000G battery is "NA", it may be ().
Correct Answer: B
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When connecting the refrigerant pipe, to prevent the pipe from being oxidized, it is necessary to introduce a small amount of nitrogen gas during welding.
Correct Answer: A
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The following statement about the integration UP5000-E-120K-HASBS, which is wrong?
Correct Answer: C
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How many NetCol5000-C water-cooled line-class precision air conditioners can be supported by one NetCol520 chilled water distribution unit?
Correct Answer: C
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