[Sep-2021] Valid Way To Pass Huawei Exam Dumps with H12-421-ENU Exam Study Guide
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NEW QUESTION 70
() air supply method must have a reasonable raised floor height.
- A. Upper air duct air supply
- B. Upper hood air supply
- C. Row level horizontal air supply
- D. Under the floor air supply
Answer: D
NEW QUESTION 71
When the NetCol5000-A removes the air conditioning humidifier, the steps to maintain the electrode humidifier include (). (Multiple choice)
- A. Remove and clean the water supply valve
- B. Replace the hardened and brittle hose thoroughly flush the drain
- C. Disconnect the water supply valve and drain valve wiring
- D. Remove the drain tank and drain valve component
Answer: A,B,C,D
NEW QUESTION 72
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 73
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: A
NEW QUESTION 74
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. True
- B. False
Answer: A
NEW QUESTION 75
The cabinet collector cannot be used for environmental data collection of IT cabinets.
- A. False
- B. True
Answer: A
NEW QUESTION 76
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. Electricity or voltage ratio setting error
- D. Intelligent power meter failure
Answer: A,B,C,D
NEW QUESTION 77
NeteCol can assign operational rights to user groups, or assign operational rights directly to users.
- A. True
- B. False
Answer: A
NEW QUESTION 78
When the integrated UPS is wired, if the input phase sequence is wrong, the machine will not work.
- A. True
- B. False
Answer: A
NEW QUESTION 79
What can be detected by the optional battery inspection instrument? (Multiple choice)
- A. Frequency
- B. Internal resistance
- C. Voltage
- D. Battery case temperature
Answer: B,C,D
NEW QUESTION 80
The following statement about the integration UP5000-E-120K-HASBS, which is wrong?
- A. ATS does not support manual switching
- B. Support smart battery management, adjustable battery sections
- C. The energy statistics interface can display the energy of each output branch
- D. Support the incoming line
Answer: A
NEW QUESTION 81
When a fire occurs in the FusionModule1000 box, the deflation indicator will show the words "Don't put in" to warn the site personnel not to enter the deflation zone.
- A. True
- B. False
Answer: A
NEW QUESTION 82
Smart ETH sockets support up to () cascading.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 83
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 84
Which interface is not on the smart ETH socket?
- A. PoE
- B. AI/DI
- C. PWR_OUT power cascade interface
- D. PWR_IN power cascade interface
Answer: B
NEW QUESTION 85
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 86
In the installation scenario where the indoor unit is higher than the outdoor unit, the oil trap must be set.
- A. False
- B. True
Answer: A
NEW QUESTION 87
The Netcol 5000-A35kW uses an electronic expansion valve.
- A. False
- B. True
Answer: A
NEW QUESTION 88
In the battery model 6-GFM-150, 150 indicates the battery ().
- A. Maximum capacity
- B. Rated capacity
- C. Minimum capacity
- D. Actual capacity
Answer: B
NEW QUESTION 89
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