2022 Realistic H12-421-ENU Dumps Latest Huawei Practice Tests Dumps
H12-421-ENU Dumps PDF - H12-421-ENU Real Exam Questions Answers
NEW QUESTION 56
The following statement about the integration UP5000-E-120K-HASBS, which is wrong?
- A. ATS does not support manual switching
- B. Support the incoming line
- C. Support smart battery management, adjustable battery sections
- D. The energy statistics interface can display the energy of each output branch
Answer: A
NEW QUESTION 57
The power indicator of the gas fire extinguishing controller is on and the alarm indicator is off indicating that the gas fire extinguishing controller is working properly.
- A. True
- B. False
Answer: A
NEW QUESTION 58
The function of the ATS input unit / MCCB input unit of the integrated UPS is ().
- A. Provide branch output for direct supply from the mains
- B. Provide dual or single input to the cabinet
- C. Monitor the running status
- D. Provide branch output of UPS direct supply
Answer: B
NEW QUESTION 59
Can a sunroof actuator drive up to several sunroof electromagnetic locks at the same time?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
NEW QUESTION 60
ECC800 does not support alarm SMS notification, and remote maintenance cannot be implemented.
- A. True
- B. False
Answer: B
NEW QUESTION 61
NetCol5000-A air conditioner compressor exhaust temperature is too high, what are the reasons? (Multiple Choice)
- A. The outdoor unit is not installed correctly.
- B. condenser filth blockage leads to poor heat dissipation
- C. Too little refrigerant charge
- D. The refrigerant circuit or device is clogged
Answer: A,B,C,D
NEW QUESTION 62
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. FALSE
- B. TRUE
Answer: B
NEW QUESTION 63
The following () parts can control the room lighting and control the Pad charging.
- A. Smart ETH socket
- B. Actuator
- C. Access control actuator
- D. Cabinet collector
Answer: B
NEW QUESTION 64
When the air conditioning outdoor of Huawei air-cooled air conditioner is installed horizontally, it is required to be ≥ () mm from the wall or obstacle.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 65
The PDU8000 intelligent power meter parameter display is abnormal, which may be caused by (). (Multiple choice)
- A. Corresponding current transformer failure
- B. The corresponding voltage collection line is abnormal.
- C. Intelligent power meter failure
- D. Electricity or voltage ratio setting error
Answer: A,B,C,D
NEW QUESTION 66
The UPS5000-E can press the battery cold start button on the bypass module without the main bypass input to start the inverter, and the system will automatically enter the battery inverter mode.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 67
After the UPS5000 is installed with ejector fan, you need to set the status of "Ejector Fan" as "Allow" in the menu. Otherwise, the ejector modules cannot be used normally.
- A. True
- B. False
Answer: A
NEW QUESTION 68
When a fire occurs in the cabinet, what is used to activate the gas fire extinguishing device on site?
- A. Solenoid valve
- B. Emergency stop button / manual deflation button
- C. Fire cylinders
- D. Pressure switch
Answer: B
NEW QUESTION 69
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 70
What are the access control type of the micro module? (Multiple Choice)
- A. Face recognition access control
- B. Fingerprint password swipe access control machine
- C. Password swipe access control machine
- D. Fingerprint swipe access control machine
Answer: B,C,D
NEW QUESTION 71
The NetCol5000-A35kW indoor unit installation needs to be connected to the zero line.
- A. True
- B. False
Answer: B
NEW QUESTION 72
The default password for the UPS2000-G-(6-20kVA) operator panel is ().
- A. Changeme 123
- B. 000001
- C. Changer
- D. neteco
Answer: B
NEW QUESTION 73
In the naming of UPS5000-E-120K-HASBS, the letter E stands for ().
- A. Input switch type is MCCB
- B. Input switch type is ATS
- C. E series modular UPS
- D. 208V voltage system
Answer: C
NEW QUESTION 74
When the NeCol5000-A is under nitrogen pressure, the required nitrogen bottle must be equipped with a pressure reducing valve.
- A. True
- B. False
Answer: A
NEW QUESTION 75
UPS2000-G-(6-20kVA) battery discharge time is significantly lower than the standard time may be caused by what? (Multiple choice)
- A. No mains input
- B. Increased load
- C. Battery capacity reduction
- D. The battery is not full
Answer: B,C,D
NEW QUESTION 76
When the Huawei air-cooled air conditioner outdoor unit is installed horizontally, the distance between the two outdoor units is greater than or equal to () mm.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 77
When the UPS2000-G shuts down the stand-alone system, which one of the following needs to be operated?
- A. "Shutdown operation" for all UPS in the system
- B. Continuously perform 2 "shutdown operations" on the machine
- C. Disconnect the input directly from the machine
- D. Just perform a "shutdown operation" on the machine.
Answer: B
NEW QUESTION 78
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