Valid H12-421-ENU Test Answers & Huawei H12-421-ENU Exam PDF
Huawei H12-421-ENU Certification Real 2021 Mock Exam
NEW QUESTION 123
When a fire occurs in the cabinet and the fire extinguishing device releases the extinguishing agent into the protection zone, what will display the words "Don't let in".
- A. Sound and light alarm
- B. Emergency light
- C. Venting indicator
- D. Fire alarm bell
Answer: C
NEW QUESTION 124
The height of the ECC800 collector is () U.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
NEW QUESTION 125
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 126
When the NetCol5000-C commissions the drainage device, lift the high floater by hand for 5 seconds. At this time, the dual water pump is turned on at the same time, and the "discharge abnormality alarm" appears.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 127
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 128
When the NetCol5000-A removes the air conditioning humidifier, the steps to maintain the electrode humidifier include (). (Multiple choice)
- A. Replace the hardened and brittle hose thoroughly flush the drain
- B. Remove and clean the water supply valve
- 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 129
() indicates the amount of electricity that can be discharged when the fully charged battery is discharged to the specified termination voltage according to certain discharge conditions. The unit is expressed in Ah (Ah) or Watt (Wh).
- A. Minimum capacity
- B. Maximum capacity
- C. Actual capacity
- D. Rated capacity
Answer: C
NEW QUESTION 130
When ATS is in the automatic mode, the manual operating handle must be removed.
- A. True
- B. False
Answer: A
NEW QUESTION 131
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. Electrode
- B. High pressure fogging
- C. Infrared
- D. Wet film
Answer: C
NEW QUESTION 132
The cabinet collector cannot be used for environmental data collection of IT cabinets.
- A. True
- B. False
Answer: B
NEW QUESTION 133
Data center siting needs to evaluate the following () factors. (Multiple choice)
- A. Building structure
- B. Supporting facilities
- C. Cost factors
- D. Physical and geographical conditions
Answer: A,B,C,D
NEW QUESTION 134
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 135
When the Huawei air-cooled air-conditioning compressor is turned on for the first time, the crankcase heating belt needs to be warmed up for more than ( ) hours.
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION 136
Unpredictable business, expansion and difficult investment is one of the challenges facing the development of traditional data center business.
- A. True
- B. False
Answer: A
NEW QUESTION 137
During the use of the battery pack, the appearance is normal, but there is no current during charging, and the voltage drop is zero at the moment of discharge, and it cannot be discharged. What could be happened in the following?
- A. Sulfation
- B. Battery leakage
- C. Breaking the battery pack
- D. backward battery
Answer: C
NEW QUESTION 138
The sunroof actuator can control the flip sunroof of the modular data center closed channel.
- A. True
- B. False
Answer: A
NEW QUESTION 139
At present, the industry PUE value can be optimally achieved ( ).
- A. 0.5
- B. 1.06
- C. -0.5
- D. 0
Answer: B
NEW QUESTION 140
Which interface is not on the smart ETH socket?
- A. AI/DI
- B. PWR_IN power cascade interface
- C. PWR_OUT power cascade interface
- D. PoE
Answer: A
NEW QUESTION 141
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 142
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