HCNP-DCF-BFDO H12-421 Dumps | Updated Aug 31, 2021 - TestValid
Master 2021 Latest The Questions HCNP-DCF-BFDO and Pass H12-421 Real Exam!
NEW QUESTION 116
When installing the power line on the UPS5000-E, if there are different sources on the main side, you need to remove the copper bars connected to the bypass and the main circuit, and then connect the main circuit and the bypass input respectively.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 117
NeteCol can assign operational rights to user groups, or assign operational rights directly to users.
- A. True
- B. False
Answer: A
NEW QUESTION 118
In the air conditioning system, the pipe can maintain a positive pressure and the pipe can maintain a negative pressure.
- A. False
- B. True
Answer: A
NEW QUESTION 119
Huawei precision air conditioners support up to () air conditioners to form a group control.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 120
The technical essentials for the pumping action of the pipeline are: the degree of vacuum is not greater than ( ) Pa (absolute pressure).
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 121
The straight pipe interval fixedly supported by NetCol5000-C piping is ().
- A. 3000mm
- B. 2500mm
- C. 2800mm
- D. 3200mm
Answer: B
NEW QUESTION 122
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 123
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 124
Which web interface can the user log in to view the running status of the device in the micromodule?
- A. Water immersion sensor
- B. Cabinet electronic lock
- C. Sound and light alarm
- D. ECC800
Answer: D
NEW QUESTION 125
NetEco's access control management function cannot modify the door name.
- A. False
- B. True
Answer: A
NEW QUESTION 126
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. High
- B. Low
- C. all possible
- D. No change
Answer: B
NEW QUESTION 127
The UPS5000-E accepts input voltage frequency in a range of () Hz.
- A. 55-65
- B. 45-70
- C. 40-70
- D. 50-60
Answer: C
NEW QUESTION 128
What is the terminal voltage of the battery in the open state?
- A. Rated voltage
- B. Actual voltage
- C. Open circuit voltage
- D. Discharge voltage
Answer: C
NEW QUESTION 129
Which of the following factors affect battery life? (Multiple Choice)
- A. Temperature
- B. Rated capacity
- C. Depth of discharge
- D. Number of cycles
Answer: A,C,D
NEW QUESTION 130
The access executor does not support access to the ECC800 in a wireless network.
- A. False
- B. True
Answer: A
NEW QUESTION 131
The NetCol5000-A35kW indoor unit installation needs to be connected to the zero line.
- A. False
- B. True
Answer: A
NEW QUESTION 132
If the UPS5000-E-400K is bypassed and the maintenance bypass is closed, both the main power module and the bypass module stop working.
- A. False
- B. True
Answer: A
NEW QUESTION 133
UPS2000-A-(1-3kVA) closes the mains input switch and directly enters the bypass working state.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION 134
Which of the following supports the UPS5000-E-400K-FM input line voltage? (Multiple choice)
- A. 220V
- B. 415V
- C. 380V
- D. 400V
Answer: B,C,D
NEW QUESTION 135
Huawei Fusion Module2000 monitoring system supports users on which to monitor the status of micro-modules? (Multiple choice)
- A. Mobile APP
- B. NetEco web interface
- C. ECC 800Web interface
- D. PAD APP
Answer: A,B,C,D
NEW QUESTION 136
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