Get the Most Updated H12-411_V2.0-ENU Dumps (V9.02) to Prepare for Your Huawei HCIA-Data Center Facility V2.0 Certification Exam

1. Which of the following descriptions of lithium-ion battery separator is wrong?

2. When the mains input range is voltage: 150-260VAC, frequency: 45-60Hz, what is the working range of UPS?

3. Which of the following parameters can reflect the energy efficiency status and energy efficiency of a data center?

4. Which of the following outdoor unit models has a dual fan?

5. Which of the following parameters represent the pollution of UPS to the power grid?

6. MCB circuit breakers can be divided into B, C, D, Z, and K levels according to different tripping characteristics. Which level of tripping characteristics should be used for IT loads?

7. Which of the following are the characteristics of water-cooled chilled water air conditioners?

8. According to Heinrich 's Law, in a machinery accident, which of the following is the proportion of casualties (serious injuries or deaths), minor injuries, and unsafe behaviors?

9. Which of the following statements about battery packs in UPS systems is wrong?

10. Which of the following does not belong to the integrated wiring system?

11. In an air conditioning system, which of the following uses water cooling or air cooling to cool the high-temperature and high-pressure gas discharged from the compressor and release the heat to the outside?

12. Which of the following are the advantages of UPS 2N system?

13. In the power supply and distribution system of the data center, if a power outage occurs, the backup switching between AC power and AC power or between AC power and diesel generator is generally completed by ().

14. Which of the following is correct about the upward supply and downward return air supply method?

15. In a circuit with resistance and capacitance, if the frequency of the current increases from 50 Hz to 100 Hz, how will the impedance of the circuit change?

16. Which of the following statements about UPS rectifiers is wrong?

17. What is the maximum data transmission rate supported by FE (Fast Ethernet)?

18. Which of the following statements about condensers is wrong?

19. Which of the following descriptions about data center monitoring systems is wrong?

20. In the UPS system, which of the following is the most comprehensive description of the role of the inverter circuit?

21. Which of the following components does not belong to the smoke exhaust system in the fire protection system?

22. Which of the following components is a fire detector that detects smoke particles?

23. () reflects the dryness of the air. The smaller the value, the drier the air.

24. When electrolyte leakage occurs in the battery, () treatment method is more appropriate.

25. Which of the following is the active material of the negative electrode of a VRLA battery?

26. Which of the following is not a characteristic of a modular data center?

27. Which of the following is the temperature of the cold channel air inlet area of the data center specified in GB50174-2017?

28. What is the English abbreviation for sealed valve-regulated lead-acid battery?

29. Which of the following devices can be used to store video recordings for a long time?

30. In Huawei DC power supply, which of the following is the meaning of BLVD?

31. Which of the following descriptions of Huawei's DC power supply are wrong?

32. Which of the following functions can display the entry and exit records of data center personnel?

33. The gas fire extinguishing system consists of ()

34. If the capacity of UPS is 20KVA, then in normal operation, the UPS front-end input capacity may be ()

35. Which of the following models is Huawei's room-level water-cooled air conditioner?

36. Which of the following functions uses electronic tag technology to provide real-time statistics on the location of power distribution, air conditioning, refrigeration and other infrastructure?

37. Which of the following does not belong to the components of chilled water air conditioner?

38. Which of the following belongs to air-cooled row-level air conditioner?

39. Which of the following descriptions about electrical equipment safety is wrong?

40. The active power is 80 kW, the power factor is 0.8, the system rated voltage is 380 V, 50 Hz, what is the current when the equipment is running at full power?

41. Which of the following is the maximum communication distance of RS485 communication method?

42. Which of the following interfaces can both power the device and have communication functions?

43. For valve-regulated lead-acid batteries, what are the functions of the safety valve?

44. Regarding the description of the data center cooling system, which of the following is wrong?

45. Which of the following devices cannot be connected to the southbound interface of the dynamic environment monitoring system?

46. 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?

47. Which of the following components can check whether the refrigerant contains moisture?

48. Which of the following is not one of the four major components of an air-cooled air conditioner?

49. Which of the following statements about batteries is wrong?

50. What is the requirement for the duration of a single fault in a Class II power grid?