[Oct 06, 2021] Updates Up to 365 days On Valid H12-421 Braindumps
Best QualityH12-421 Exam Questions Huawei Test To Gain Brilliante Result
NEW QUESTION 34
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 35
When the temperature detector or smoke detector in the FusionModule1000 generates an alarm, ( ) emits a continuous beeping sound to remind you to take measures as soon as possible to avoid a major accident. (Multiple choice)
- A. Sound and light alarm
- B. Smoke detector
- C. Buzzer
- D. Temperature detector
Answer: A,B,C
NEW QUESTION 36
When four UPS2000G-20K parallel units are set and the number of redundant units in the parallel setting is set to "1", the capacity of the system is () KVA.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 37
In the process of using the battery, in order to reduce the deterioration of the voltage imbalance between the batteries, it is necessary to increase the charging voltage of the battery pack, and to activate and charge the battery to extend the battery life, which is called ().
- A. Balanced charging
- B. Floating charge
- C. Charging test
- D. Self-discharge
Answer: A
NEW QUESTION 38
The straight pipe interval fixedly supported by NetCol5000-C piping is ().
- A. 3000mm
- B. 2500mm
- C. 2800mm
- D. 3200mm
Answer: B
NEW QUESTION 39
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 40
The wheel patrol function is enabled to interchange the running machine and the standby machine, thereby increasing the average life.
- A. True
- B. False
Answer: A
NEW QUESTION 41
The multi-function sensor in the Fusion Module2000 modular channel can be connected to the () component.
- A. Access control actuator
- B. Cabinet collector
- C. Smart ETH socket
- D. WFi converter
Answer: C
NEW QUESTION 42
The ECC800 does not support wireless communication.
- A. False
- B. True
Answer: A
NEW QUESTION 43
In the stable operation of the NeCol5000-A35kW air conditioner compressor, the oil level observed by the oil sight is regarded as qualified at the ( ) position.
- A. >1
- B. 1/4~1/2
- C. 0~14
- D. 1/3~1
Answer: D
NEW QUESTION 44
If the UPS5000-E-400kVA is equipped with an IP21 component, the top outlet is not supported.
- A. True
- B. False
Answer: A
NEW QUESTION 45
Before the UPS5000 is powered on, it is necessary to check that the UPS input switch, bypass switch, output switch, maintenance bypass switch, battery open) have all been placed in the "OFF" state.
- A. True
- B. False
Answer: A
NEW QUESTION 46
The principle of the () humidifier is that the high-intensity infrared lamp causes the water surface to release water vapor and diffuse into the air stream that needs to be humidified.
- A. High pressure fogging
- B. Infrared
- C. Wet film
- D. Electrode
Answer: B
NEW QUESTION 47
When the unit is working, the load of the UPS2000-G is connected to the PL, what condition will cause the load to be de-energized? (Multiple choice)
- A. Overload
- B. Mains input interruption
- C. Battery low voltage
- D. Mains low voltage
Answer: A,C
NEW QUESTION 48
The sleep of the UPS module is to turn off the inverter of some modules when the system load rate is low and stable, so that some modules go to sleep, and the remaining un-hibernated modules bear a larger load to solve the problem of the low efficiency when the system load is light.
- A. True
- B. False
Answer: A
NEW QUESTION 49
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 50
The functions provided by Huawei's monitoring system NetEco are: (multiple choice)
- A. Provide a view creation tool for quick configuration view
- B. Support system power distribution view display
- C. Provide 2D, 3D data center view display
- D. Support modular level/cabinet level view display
Answer: A,B,C,D
NEW QUESTION 51
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 52
How many NetCol5000-C water-cooled line-class precision air conditioners can be supported by one NetCol520 chilled water distribution unit?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 53
Direct Ventilation Natural Cooling Solution in the direct ventilation mode, the compressor of the air conditioner stops working, mainly because the fan replaces the outdoor cold air with the indoor hot air, so the PUE is very low.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 54
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. TRUE
- B. FALSE
Answer: A
NEW QUESTION 55
What are the reasons for the excessive noise of the NetCol5000-C fan? (multiple choice)
- A. The fan outlet is dirty
- B. Fan failure
- C. Loose fan installation
- D. The filter is dirty
Answer: A,B,C,D
NEW QUESTION 56
NeCol5000-C nitrogen filling pressure value is (); holding time is ().
- A. 0.8MPa; 24h
- B. 0.8MPa; 12h
- C. 1.0MPa; 12h
- D. 1.0MPa; 24h
Answer: A
NEW QUESTION 57
Deploying on demand and avoiding over-investment is the only advantage of a modular data center.
- A. False
- B. True
Answer: A
NEW QUESTION 58
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