About Huawei H12-421 Exam Braindumps

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Absolutely based on real exam

Our company insists on communicating with our customers can make us improve the quality of our H12-421 exam preparatory. After the researches of many years, we found only the true subject of past-year exam was authoritative and had time-validity. So, according to the result of researches which made by our experts, we develop the new type of H12-421 practice test based on the true subject of past-year exam. At the same time, we will continually make amendment to the H12-421 study materials and make sure it is suitable to the latest exam. If you have any doubts about the quality of our H12-421 exam preparatory, we will provide free demo for your reference.

Diverse version for choice

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Huawei HCIP-Data Center Facility Deployment V1.0 Sample Questions:

1. 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) False
B) True

2. If the customer load cannot be power-off, what should be taken care when closing the maintenance bypass switch? (Multiple choice)

A) First perform EPO then close maintenance switch
B) The maintenance bypass switch can also be closed in the inverter power supply mode.
C) Turn off the inverter, let the UPS be in bypass power supply mode and then close the maintenance bypass switch.
D) Close the maintenance switch first and then execute the EPO.

3. Which of the following are the characteristics of Huawei NetCol5000-A row-level precision air conditioner cooling capacity adjustment?

A) DC inverter compressor, which can 20%~100% infinitely adjust cooling capacity.
B) When the load is lower than 20%, the electric heating heat compensation is turned on, and the compressor is continuously operated without stopping.
C) Invariable frequency compressor, can't adjust cooling capacity infinitely.
D) When the load is lower than 30%, the compressor starts and stops frequently, and the valve frequently actions and is easily stuck.

4. For storage batteries that have been stored for 18 months or longer, the battery that has not been recharged should be processed ().

A) Need to supplement the electricity treatment, use as soon as possible
B) Disposal
C) Need activation treatment, use as soon as possible
D) No need to deal with, use as soon as possible

5. When connecting the refrigerant pipe, to prevent the pipe from being oxidized, it is necessary to introduce a small amount of nitrogen gas during welding.

A) False
B) True

Solutions: