A fully updated 2021 H12-421 Exam Dumps exam guide from training expert ActualTestsQuiz
Provides complete coverage of every objective on exam and exam preparation H12-421
NEW QUESTION 52
Which part of the data center design is currently affecting its PUE?
- A. Power supply and distribution system
- B. Decoration system
- C. Building system
- D. Refrigeration system
Answer: D
NEW QUESTION 53
In NetEco's report management, which types of periodic tasks are there? (Multiple choice)
- A. Times
- B. Weekly
- C. Monthly report
- D. Daily
Answer: A,B,C,D
NEW QUESTION 54
Cold/hot channel enclosure is an energy-saving technology used to solve data center cooling problems.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION 55
The technical essentials for the pumping action of the pipeline are: the degree of vacuum is not greater than ( ) Pa (absolute pressure).
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
NEW QUESTION 56
In order to implement the alarm event remote notification function on NetEco, which of the following tasks need to be set? (Multiple choice)
- A. Set remote notification rules
- B. Set the notification server
- C. Set the notification content template
- D. Set user groups
Answer: A,B,C,D
NEW QUESTION 57
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 58
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 59
Which of the following options is a natural cooling system?
- A. Water-cooled cold air conditioning system
- B. Air-cooled direct expansion air conditioning system
- C. Water-cooled cold water air conditioning system
- D. Direct ventilation air conditioning system
Answer: D
NEW QUESTION 60
When the internal short circuit of the battery occurs, the faulty battery charging voltage (), the open circuit voltage is low (generally less than 1V/cell).
- A. High
- B. Low
- C. all possible
- D. No change
Answer: B
NEW QUESTION 61
NetCol5000-C temperature and humidity sensor dial setting is incorrect may result in ().
- A. Temperature and humidity sensor cannot detect temperature and humidity
- B. Water leakage at the bottom of the equipment
- C. Equipment drainage capacity is significantly reduced
- D. The return air temperature or fan speed fluctuates greatly
Answer: A
NEW QUESTION 62
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 63
Which of the following technology or scheme can effectively reduce the PUE? (Multiple choice)
- A. Efficient modular UPS
- B. Closed cold/hot passage
- C. Precise air supply
- D. Increase battery capacity
Answer: A,B,C
NEW QUESTION 64
The NetCol5000C device is powered on and the reason why the fan does not turn may be ().
- A. The machine power module is faulty or abnormal.
- B. Condensate drainage is not smooth
- C. Strong drainage system failure
- D. The filter is dirty
Answer: A
NEW QUESTION 65
FusionModule1000 is an indoor intelligent micro-module data center solution.
- A. False
- B. True
Answer: A
NEW QUESTION 66
Data center siting needs to evaluate the following () factors. (Multiple choice)
- A. Physical and geographical conditions
- B. Cost factors
- C. Supporting facilities
- D. Building structure
Answer: A,B,C,D
NEW QUESTION 67
Among the components of the UPS5000-E, () can be hot plug. (Multiple choice)
- A. Energy Control Sheet
- B. Bypass module
- C. Dry joint card
- D. Power module
Answer: A,B,C,D
NEW QUESTION 68
Which of the following factors affect battery life? (Multiple Choice)
- A. Temperature
- B. Rated capacity
- C. Depth of discharge
- D. Number of cycles
Answer: A,C,D
NEW QUESTION 69
Before the battery is installed, a single battery open circuit voltage is required: 12V battery is greater than or equal to 12.60V or 2V battery is greater than or equal to 2.10V. When it is found to be unqualified, the battery needs to be recharged.
- A. True
- B. False
Answer: A
NEW QUESTION 70
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 71
The report functions of NetEco has a variety of presentation forms, including visualization of bar charts, pie charts, graphs, etc.
- A. True
- B. False
Answer: A
NEW QUESTION 72
The following air conditioning systems need to be equipped with a cooling tower or dry cooler ().
- A. Direct ventilation air conditioning system
- B. CW air-cooled type
- C. DX air-cooled type
- D. DX water-cooled type
Answer: D
NEW QUESTION 73
If the customer load cannot be de-energized, pay attention to ( ) when disconnecting the maintenance bypass switch after the repair is completed.
- A. Battery input is normal
- B. The maintenance bypass switch can also be disconnected when the bypass module is abnormal.
- C. EPO status can be broken maintenance switch
- D. The road module has no abnormal alarm and can be powered.
Answer: D
NEW QUESTION 74
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 75
The reasonable exhaust pressure range of NetCol5000-A is ( ) Mpa. (Multiple choice)
- A. 1.5 ~3.1 （ 15~35° )
- B. 3.1~4.15 （ above 45° )
- C. 2.5~3.8 （ 35~45° )
- D. 1.5~2.5 （ below 15° )
Answer: A,B,C,D
NEW QUESTION 76
The reason for using the EPO status interface in the parallel step of the UPS5000-E is ().
- A. Protect the battery from discharge
- B. Prevent electric shock and protect personal safety
- C. Cut off the output and set the parallel parameters
- D. Power off the load to prevent damage to the load device
Answer: C
NEW QUESTION 77
......
Tested Material Used To H12-421: https://www.actualtestsquiz.com/H12-421-test-torrent.html
