Huawei H12-411_V2.0-ENU HCIA-Data Center Facility V2.0 Online Training
Huawei H12-411_V2.0-ENU Online Training
The questions for H12-411_V2.0-ENU were last updated at Apr 26,2025.
- Exam Code: H12-411_V2.0-ENU
- Exam Name: HCIA-Data Center Facility V2.0
- Certification Provider: Huawei
- Latest update: Apr 26,2025
Which of the following is the maximum communication distance of RS485 communication method?
- A . 5 m
- B . 100 m
- C . 15 m
- D . 1200 m
Which of the following interfaces can both power the device and have communication functions?
- A . RJ45
- B . RJ12
- C . FE
- D . POE
For valve-regulated lead-acid batteries, what are the functions of the safety valve?
- A . Exhaust excess gas and prevent air from entering
- B . No other options
Regarding the description of the data center cooling system, which of the following is wrong?
- A . Among rack-level, row-level and room-level cooling, row-level cooling has the shortest airflow path.
- B . No other options
Which of the following devices cannot be connected to the southbound interface of the dynamic environment monitoring system?
- A . Precision air conditioning
- B . UPS
- C . Access control equipment
- D . Superior network administrator
The capacity of a UPS is 100 kVA, and its output power factor is 0.8. Which of the following is the maximum active power and reactive power that the UPS can output under rated conditions?
- A . 20 kW, 40 kVar
- B . 40 kW, 60 kVar
- C . 80 kW, 60 kVar
- D . 100 kW, 80 kVar
Which of the following components can check whether the refrigerant contains moisture?
- A . Solenoid valve
- B . Sight glass
- C . Filter drier
- D . Oil sight glass
Which of the following is not one of the four major components of an air-cooled air conditioner?
- A . Compressor
- B . Evaporator
- C . Fan
- D . Condenser
Which of the following statements about batteries is wrong?
- A . The battery room must be protected from overheating and thermal runaway.
- B . The battery expands because too much gas is released, causing the pressure to increase.
- C . When the battery reaches the end of its service life, no special treatment is required and it can be sold directly for scrap recycling.
- D . When the battery leaks, do not touch it directly with your hands.
What is the requirement for the duration of a single fault in a Class II power grid?
- A . ≤8 hours
- B . ≤4 hours
- C . ≤0.5 h
- D . ≤6 hours
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