[Nov 10, 2021] H12-421 Exam Dumps - 100% Marks In H12-421 Exam!
Exam Dumps Use Real HCNP-DCF-BFDO Dumps With 240 Questions!
NEW QUESTION 45
The FusionModule1000B series solution can meet the Tier4 power supply requirements when using the 2N power supply and distribution system.
- A. False
- B. True
Answer: A
NEW QUESTION 46
When the internal short circuit of the battery occurs, the faulty battery charging voltage (), the open circuit voltage is low (generally less than 1V/cell).
- A. No change
- B. all possible
- C. Low
- D. High
Answer: C
NEW QUESTION 47
When the UPS5000 series multi-rack networking is parallel, the host should be set to ().
- A. Many to one
- B. No need to set
- C. One to one
- D. One to many
Answer: D
NEW QUESTION 48
The Netcol 5000-A35kW uses an electronic expansion valve.
- A. False
- B. True
Answer: A
NEW QUESTION 49
When installing the UPS battery, the installation tool does not need to be insulated because the load is not charged.
- A. False
- B. True
Answer: A
NEW QUESTION 50
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.
- A. False
- B. True
Answer: B
NEW QUESTION 51
When the NeCol5000-A is under nitrogen pressure, the required nitrogen bottle must be equipped with a pressure reducing valve.
- A. False
- B. True
Answer: B
NEW QUESTION 52
The functions provided by Huawei's monitoring system NetEco are: (multiple choice)
- A. Provide 2D, 3D data center view display
- B. Provide a view creation tool for quick configuration view
- C. Support modular level/cabinet level view display
- D. Support system power distribution view display
Answer: A,B,C,D
NEW QUESTION 53
The main reason for the energy-saving effect of the closed cold/hot passage is (). (Multiple choice)
- A. The closed heat channel can increase the return air temperature and improve the cooling efficiency.
- B. Isolating hot and cold air, avoiding the confusion of hot and cold air and improving the utilization of cold air.
- C. It can increase the air supply temperature of the air conditioner, thus reducing the energy consumption of the air conditioner.
- D. Reduce the humidification power consumption by increasing the supply air temperature and reducing the power consumption of humidification.
Answer: A,B,C,D
NEW QUESTION 54
When the NetCol5000-A indoor unit and the outdoor unit are not installed separately, the refrigerant line is ().
- A. Refrigerant
- B. Oxygen
- C. Nitrogen
- D. Air
Answer: C
NEW QUESTION 55
The NetCol 8000-A compressor has a large amount of foam in the oil sight glass for a long time, indicating that the superheat is too large.
- A. False
- B. True
Answer: A
NEW QUESTION 56
The UPS5000-E accepts an input voltage of ( ) V range.
- A. 140-490
- B. 120-480
- C. 138-485
- D. 305-485
Answer: C
NEW QUESTION 57
When the UPS2000-G shuts down the stand-alone system, which one of the following needs to be operated?
- A. Disconnect the input directly from the machine
- B. "Shutdown operation" for all UPS in the system
- C. Just perform a "shutdown operation" on the machine.
- D. Continuously perform 2 "shutdown operations" on the machine
Answer: D
NEW QUESTION 58
In the NetCol5000-A air conditioner, if a large number of air bubbles are observed in the liquid crystal mirror, it indicates that the refrigerant system lacks refrigerant, and the refrigerant should be charged as needed.
- A. False
- B. True
Answer: B
NEW QUESTION 59
BCB-BOX is a UPS5000-E option for connection control between battery pack and UPS system. It has overload, short circuit protection and remote management trip function.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 60
On the panel of the air conditioning unit, in the group control topology diagram, the difference between this machine and other machines is that there is a green border.
- A. False
- B. True
Answer: B
NEW QUESTION 61
The closer the PUE value of the data center is to 1, the better the energy efficiency level.
- A. False
- B. True
Answer: B
NEW QUESTION 62
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