Latest Huawei H12-425 First Attempt, Exam real Dumps Updated [Sep-2021]
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NEW QUESTION 68
To modify the micro-module view of ECC800,users need to log in the WebUI as as admin.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 69
To balance the capacity loss caused by the self-discharge of the battery during the use of the battery, it is necessary to charge the battery continuously and for a long time at constant voltage, which is called ().
- A. balanced charging
- B. charging
- C. self-discharge
- D. charging test
Answer: B
NEW QUESTION 70
Wind pipe has shorter air supply distance than the blast cap.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 71
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 72
Which of the following air conditioning systems need to be equipped with a cooling tower or dry cooler?
- A. Direct ventilation air conditioning system
- B. CW air-cooled type
- C. DX air-cooled type
- D. DX water-cooled type
Answer: D
NEW QUESTION 73
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. True
- B. False
Answer: A
NEW QUESTION 74
The ECC800 does not support wireless communication.
- A. False
- B. True
Answer: A
NEW QUESTION 75
Power segment function is enabled on UPS2000-G-20kVA. Which will cause the loads connected with PL terminals power- off?
- A. Battery under voltage
- B. Overload
- C. Mains input interruption
- D. Mains Under voltage
Answer: A,B
NEW QUESTION 76
When the maintenance engineer arrives at the customer site, the working environment around the site should be recorded. The main collection items are (). (Multiple choice)
- A. Equipment installation distance
- B. Ambient temperature
- C. If there is a bad environment around it (such as dust or moisture)
- D. Ventilation
Answer: A,B,C,D
NEW QUESTION 77
When installing the power line on the UPS5000-E, if there are different sources on the main-lines and bypass, you need to remove the copper bars connected to the bypass and main lines first, and then connect the main circuit and bypass input respectively.
- A. True
- B. False
Answer: A
NEW QUESTION 78
The closer the PUE value of the data center is to 1, the better the energy efficiency level.
- A. True
- B. False
Answer: A
NEW QUESTION 79
The functions that the ECC800 can implement are (). (Multiple choice)
- A. Query system alarms
- B. Linkage rule settings
- C. Historical data export
- D. Access control user management
Answer: A,B,C,D
NEW QUESTION 80
If there are many bubbles in the sight glass of NetCol5000-A, it indicates that the system lacks refrigerant.
- A. TRUE
- B. FALSE C.
Answer: A
NEW QUESTION 81
The straight pipe interval fixedly supported by NetCol5000-C piping is ()
- A. 3000mm
- B. 2500mm
- C. 2800mm
- D. 3200mm
Answer: B
NEW QUESTION 82
2.4G antenna of ECC800 should be connected to ( ).
- A. RS485 port
- B. 3G/4G antenna interface
- C. RF_ZA line interface
- D. DO output dry contact
Answer: B
NEW QUESTION 83
When the NetCol5000-A air conditioner was commissioned, Which statement about the possible cause of the "exhaust high pressure alarm" was wrong?
- A. Too little refrigerant charge
- B. Excessive refrigerant charge
- C. Outdoor fan cannot start
- D. Outdoor unit fan speed is too low
Answer: A
NEW QUESTION 84
The ETH converter can be installed by the magnet on its rear.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 85
UPS5000-E can do () for battery.
- A. Float charging
- B. Capacity test
- C. Shallow discharge test
- D. Equalized charging
Answer: B,C,D
NEW QUESTION 86
NetEco does not support sending reports to customers by email.
- A. False
- B. True
Answer: A
NEW QUESTION 87
In the FusionModule1000, all the fire-fighting cables of the open line are worn with metal hoses, and the pipe ends are protected by a wire sleeve to prevent damage to the fire-fighting cables when a fire occurs.
- A. True
- B. False
Answer: A
NEW QUESTION 88
The BCB-BOX provides overload and short-circuit protection as well as remote trip control.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 89
Users can log in the WEBUI of the ( ) to monitor the module data center.
- A. Water sensor
- B. Skylight actuator
- C. Electronic lock
- D. ECC800
Answer: D
NEW QUESTION 90
After the NetCol5000-A25kW half-cabinet air-conditioning refrigerant pipeline is installed, do the nitrogen charge pressure maintaining, the nitrogen pressure is () Mpa.
- A. 0
- B. 1
- C. 2.5
- D. 0.8
Answer: B
NEW QUESTION 91
When calculating the battery capacity, the battery discharge capacity coefficients of the different backup times are the same.
- A. False
- B. True
Answer: A
NEW QUESTION 92
For NetCol5000-A installation, preserving positive pressure for the pipes is the same as preserving negative pressure. You can select either to hold.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 93
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