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H12-421-ENU exam torrent Huawei study guide
NEW QUESTION 104
When a fire occurs in the cabinet, what is used to activate the gas fire extinguishing device on site?
- A. Pressure switch
- B. Fire cylinders
- C. Emergency stop button / manual deflation button
- D. Solenoid valve
Answer: C
NEW QUESTION 105
Deploying on demand and avoiding over-investment is the only advantage of a modular data center.
- A. True
- B. False
Answer: B
NEW QUESTION 106
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 107
The straight pipe interval fixedly supported by NetCol5000-C piping is ().
- A. 3200mm
- B. 3000mm
- C. 2800mm
- D. 2500mm
Answer: D
NEW QUESTION 108
Check that the load switch is in the "OFF" position before powering up the URS5000.
- A. True
- B. False
Answer: A
NEW QUESTION 109
What does NetEco basic features include? (Multiple choice)
- A. User Management
- B. Video management
- C. Report Management
- D. Access control management
Answer: A,B,C,D
NEW QUESTION 110
Three sets of 9Ah battery packs are connected in parallel and connected to UPS2000-G-6kVA. What is the battery capacity set?
- A. 18Ah
- B. 27Ah
- C. 32Ah
- D. 9Ah
Answer: B
NEW QUESTION 111
In the battery model 6-GFM-150, 150 indicates the battery ().
- A. Maximum capacity
- B. Actual capacity
- C. Rated capacity
- D. Minimum capacity
Answer: C
NEW QUESTION 112
In NetEco "Video" function, you can enter ( ) and other operations (Multiple choice)
- A. Video live browsing
- B. Create a camera
- C. Modify the camera
- D. Delete the camera
Answer: A,B,C,D
NEW QUESTION 113
When the single machine is working, after the function of power-off of the ups2000-g machine is prohibited, the PL port has no output when overload or battery power is low.
- A. True
- B. False
Answer: B
NEW QUESTION 114
NetCol5000-C temperature and humidity sensor dial setting is incorrect may result in ().
- A. The return air temperature or fan speed fluctuates greatly
- B. Water leakage at the bottom of the equipment
- C. Equipment drainage capacity is significantly reduced
- D. Temperature and humidity sensor cannot detect temperature and humidity
Answer: D
NEW QUESTION 115
The function of Counter irrigation protection card is when energy reversal occurs in the main road or bypass. The counter irrigation protection card sends a drive alarm signal, and the drive trip switch (customer self-configure) is disconnected, which acts as counter irrigation protection.
- A. True
- B. False
Answer: A
NEW QUESTION 116
The NetCol5000-C has two installation scenarios with a chilled water distribution unit and no chilled water distribution unit.
- A. True
- B. False
Answer: A
NEW QUESTION 117
Domains can be created in NetEco, such as campuses, buildings, machine rooms, containers, etc.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 118
Can a sunroof actuator drive up to several sunroof electromagnetic locks at the same time?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 119
After the NetCol5000-C is set to the hot backup function, no backup machine is running, and a single unit adjusts the water valve opening according to the detected actual temperature to respond to the demand.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 120
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