최신Huawei HCIA-Data Center Facility V2.0 - H12-411_V2.0무료샘플문제
문제1
ACB circuit breakers are mainly used at the front end of IT loads, such as in UPS output cabinets.
ACB circuit breakers are mainly used at the front end of IT loads, such as in UPS output cabinets.
정답: B
문제2
How many power modules does the FM2000 integrated UPS-50K model support at most?
How many power modules does the FM2000 integrated UPS-50K model support at most?
정답: C
문제3
In the dynamic environment monitoring system, viewing the detailed alarm information can help locate the alarm source.
In the dynamic environment monitoring system, viewing the detailed alarm information can help locate the alarm source.
정답: A
문제4
Pre-cooling of the fresh air system can reduce air conditioning energy consumption.
Pre-cooling of the fresh air system can reduce air conditioning energy consumption.
정답: A
문제5
Huawei NETCol5000 is mainly designed for medium and high density scenarios (>5KW/cabinet)
Huawei NETCol5000 is mainly designed for medium and high density scenarios (>5KW/cabinet)
정답: A
문제6
Which of the following outdoor unit models has a dual fan?
Which of the following outdoor unit models has a dual fan?
정답: A
문제7
Using IGBT rectifier high-frequency machine can significantly reduce input current harmonics and improve power factor compared to SCR rectifier power frequency machine.
Using IGBT rectifier high-frequency machine can significantly reduce input current harmonics and improve power factor compared to SCR rectifier power frequency machine.
정답: A
문제8
Which of the following air conditioners is a comfort type air conditioner?
Which of the following air conditioners is a comfort type air conditioner?
정답:
Commercial air conditioning
문제9
Which of the following air conditioners have condensers located outdoors? (Multiple choice)
Which of the following air conditioners have condensers located outdoors? (Multiple choice)
정답: B,D
문제10
Which of the following components can improve the heat transfer capacity of the chilled water air conditioner heat exchanger when it is working?
Which of the following components can improve the heat transfer capacity of the chilled water air conditioner heat exchanger when it is working?
정답: B
문제11
In the air conditioning refrigeration cycle, which of the following items belong to the high-pressure section? (Multiple choice)
In the air conditioning refrigeration cycle, which of the following items belong to the high-pressure section? (Multiple choice)
정답: B,D
문제12
() circuit breakers are typically low-voltage circuit breakers used for IT loads.
() circuit breakers are typically low-voltage circuit breakers used for IT loads.
정답:
MCB