問題1
ATS Dual Power Automatic Transfer Switch can achieve the switching of two-way power's fast loading machine.
ATS Dual Power Automatic Transfer Switch can achieve the switching of two-way power's fast loading machine.
正確答案: B
問題2
Huawei NetEco supports the concept of user groups to implement role-based user group management. User group means a group of users with the same operating rights and different user groups have different permissions.
Huawei NetEco supports the concept of user groups to implement role-based user group management. User group means a group of users with the same operating rights and different user groups have different permissions.
正確答案: B
問題3
Which of the following belongs to the indirect-contact heat and humidity treatment equipment? (Multiple Choice)
Which of the following belongs to the indirect-contact heat and humidity treatment equipment? (Multiple Choice)
正確答案: A,B,D
問題4
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.
正確答案: C
問題5
The description of the data center cooling system, which of the following is incorrect?
The description of the data center cooling system, which of the following is incorrect?
正確答案: B
問題6
When using PoE (Power over Ethernet) interface, it has two functions: communication and power supply.
When using PoE (Power over Ethernet) interface, it has two functions: communication and power supply.
正確答案: B
問題7
Which of the following is advantages of the UPS 2N system? (Multiple choice)
Which of the following is advantages of the UPS 2N system? (Multiple choice)
正確答案: A,C,D
問題8
The role of the safety valve in the battery construction prevents excessive internal pressure and drains the excess ().
The role of the safety valve in the battery construction prevents excessive internal pressure and drains the excess ().
正確答案: A
問題9
Environmental refrigerant R410a refrigeration performance better than non-environmental refrigerant R22.
Environmental refrigerant R410a refrigeration performance better than non-environmental refrigerant R22.
正確答案: A
問題10
UPS inverter components can achieve the conversion from AC to DC.
UPS inverter components can achieve the conversion from AC to DC.
正確答案: A
問題11
Fuses can protect the personal safety in case of the equipment earth leakage.
Fuses can protect the personal safety in case of the equipment earth leakage.
正確答案: A
問題12
Sensible heat ratio = sensible heat / total heat = sensible heat / (sensible heat + latent heat)
Sensible heat ratio = sensible heat / total heat = sensible heat / (sensible heat + latent heat)
正確答案: B
問題13
Dynamic environment monitoring system can be applied to () scene. (Multiple choice)
Dynamic environment monitoring system can be applied to () scene. (Multiple choice)
正確答案: A,B,C,D
問題14
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.
正確答案: B
問題15
pPUE (Partial PUE) is an extension of the data center PUE, used to evaluate and analyzing the energy efficiency of a data center's local area or equipment.
pPUE (Partial PUE) is an extension of the data center PUE, used to evaluate and analyzing the energy efficiency of a data center's local area or equipment.
正確答案: B