QUESTION NO: 1
The main role of () is electricity distribution, in accordance with the requirements, standards and norms, assigns the forestage electric energy to various types of electrical equipments, such as UPS, air conditioners, lighting equipment and so on.
The main role of () is electricity distribution, in accordance with the requirements, standards and norms, assigns the forestage electric energy to various types of electrical equipments, such as UPS, air conditioners, lighting equipment and so on.
Correct Answer: A
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QUESTION NO: 2
In air-conditioning systems, the role of () is to cool the high-temperature and high-pressure gas discharged from the compressor by using water-cooled or air-cooled to release heat to the outside world.
In air-conditioning systems, the role of () is to cool the high-temperature and high-pressure gas discharged from the compressor by using water-cooled or air-cooled to release heat to the outside world.
Correct Answer: A
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QUESTION NO: 3
Users can use the () function to assign personnel to troubleshoot
Users can use the () function to assign personnel to troubleshoot
Correct Answer: A
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QUESTION NO: 4
Protective grounding: grounding refers to the direct connection with the earth, electrical installations or electrical parts of the live part of a point connected with the earth, electrical installations or other devices are not charged part of the normal point of the earth and man-made connection.
Protective grounding: grounding refers to the direct connection with the earth, electrical installations or electrical parts of the live part of a point connected with the earth, electrical installations or other devices are not charged part of the normal point of the earth and man-made connection.
Correct Answer: B
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QUESTION NO: 5
Data center usually uses the gas fire system.
Data center usually uses the gas fire system.
Correct Answer: B
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QUESTION NO: 6
The following () is the advantage of the UPS N system.
The following () is the advantage of the UPS N system.
Correct Answer: A,B,C
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QUESTION NO: 7
Which of the following is not belongs to the monitoring function provided by Huawei NetEco.
Which of the following is not belongs to the monitoring function provided by Huawei NetEco.
Correct Answer: C
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QUESTION NO: 8
Huawei row-level precision air conditioner humidifier is the infrared humidifier.
Huawei row-level precision air conditioner humidifier is the infrared humidifier.
Correct Answer: B
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QUESTION NO: 9
At present, batteries are installed in data centers mainly in rack-mounted and tank-mounted installations.
At present, batteries are installed in data centers mainly in rack-mounted and tank-mounted installations.
Correct Answer: A
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QUESTION NO: 10
In low-voltage power distribution systems, the role of the PE line is to provide a return path for the fault current in the event of a power system failure.
In low-voltage power distribution systems, the role of the PE line is to provide a return path for the fault current in the event of a power system failure.
Correct Answer: B
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QUESTION NO: 11
Common communication equipment ways have RS232, RS485, FE, etc.
Common communication equipment ways have RS232, RS485, FE, etc.
Correct Answer: A
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