1. At present, storage batteries are mainly installed in racks and cabinets in data centers.

2. CORRECT TEXT
The following ____________ is not the basic function of low-voltage circuit breakers.

3. CORRECT TEXT
____________ Not part of Huawei's monitoring system NETECO Provide monitoring functions.

4. RER It is used to measure the use of renewable energy in the data center to promote the regeneration of solar, wind, and water energy, and the use of energy with no carbon emissions or very little carbon emissions.

5. CORRECT TEXT
The user can use the ____________ function to assign personnel to handle the fault.

6. The following is for high frequency ups. The correct description of the rectifier components is.

7. The following Does the model of air conditioner have an oil separator?

8. When the AC power equipment is introduced in the three-phase four-wire system, in addition to the grounding of the near end of the power transformer, the near end of the electrical equipment and the equipment room should be grounded repeatedly on the neutral line.

9. CORRECT TEXT
PUE The closer the value ____________, indicating that the energy efficiency status of the data center is good.

10. Huawei Monitoring System NetEco Supports the concept of user groups, and implements role-based user group management. A user group is a group of user-level collections with the same operation permissions, and different user groups have different permissions.

11. CORRECT TEXT
The following ____________ are not part of the chilled water air conditioner.

12. The abbreviation for valve-regulated lead-acid battery is VRLA.

13. In the air conditioning system, the function of the oil and gas separator is to separate the lubricating oil from the compressor exhaust and return the separated lubricating oil to the compressor.

14. CORRECT TEXT
Huawei Monitoring System NetEco Support through ____________, send alarm information to customers.

15. CORRECT TEXT
Use RS485 Communication method, the maximum communication distance is ____________ Meter.

16. CORRECT TEXT
UPS The functions are ____________.

17. CORRECT TEXT
The following ____________ Is the correct statement 6Two fixed valve-regulated sealed
lead-acid battery cells are connected in series, and the rated capacity is 150AH.

18. Huawei Monitoring System NetEco Cannot provide to third-party network management system SNMP Formal interface.

19. CORRECT TEXT
Huawei monitoring system ECC800. The collector can be inserted at most ____________ A power supply module.

20. The humidifier used in Huawei's row-level precision air conditioner is an infrared humidifier.

21. CORRECT TEXT
In the dynamic environment monitoring system, the user queries the alarm information of the refrigeration equipment through the ____________ function.

22. CORRECT TEXT
____________ Yes upsThe unit of rated capacity.

23. R410a Refrigerants can produce the greenhouse effect and destroy the ozone layer.

24. CORRECT TEXT
If ups The capacity is 20KVA, Then in normal work, ups The front-end input capacity may be ____________.

25. CORRECT TEXT
MCB Circuit breakers can be divided into ____________ and (magnetic trip) according to the principle of tripping.