H12-411-ENU Online Training Archives

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1. How many power modules at most can be inserted in ECC800 collector of Huawei monitoring system?

2. What is used to indicate the severity of the corresponding fault in dynamic environment monitoring system?

Alarm time

Alarm name

Alarm level

Alarm source

3. ATS Dual Power Automatic Transfer Switch can achieve the switching of two-way power's fast loading machine.

True

False

4. In the access control system interface, the fuctions can be achieved are (). (Multiple Choice)

Show the switch status of the door

Users added

Authority allocation

View access records

5. Which of the following belongs to air-cooled line air conditioning?

NetCol5000-C

NetCol5000-A

NetCol8000-C

NetCol8000-A

6. According to the principle of tripping, the MCB circuit breaker can be divided into () and (). (Multiple Choice)

Thermal trip

Cold trip

Magnetic trip

Short circuit

7. Alarms of the dynamic environment monitoring system usually have different levels.

True

False

8. Dynamic environment monitoring system only has secondary architecture.

True

False

9. Air energy efficiency ratio is the ratio of effective input power and cooling capacity, its value will be shown as W/W.

True

False

10. Huawei monitoring system NetEco supports to send the alarm message to users through (). (Multiple Choice)

Mail

SMS

Telephone

Fax

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11. The humidifier that Huawei row-level precision air conditioner uses is the infrared humidifier.

True

False

12. MCB circuit breaker can be divided into B, C, D, Z, K class according to different tripping characteristics.

For IT loads, the () level tripping characteristics should be used.

13. The core components of the refrigeration system include (). (Multiple Choice)

Evaporator

Condenser

Compressor

Expansion valve

14. In dynamic environment monitoring system, checking alarm detailed information can help to locate the alarm source.

True

False

15. Data center usually uses the gas fire system.

True

False

16. Which of the following belongs to the indirect-contact heat and humidity treatment equipment? (Multiple Choice)

Cooling coil

Coil air heater

Electrode humidifier

Evaporator

17. The parameters that can reflect the energy efficiency state and power usage effectivenes of the data center are ().

COP

PUE

OPEX

18. The main role of () is electricity distribution, in accordance with the requirements, standards and norms, assigns the forestage electric energy to various types of electrical equipments, such as UPS, air conditioners, lighting equipment and so on.

High voltage power distribution system

Medium voltage power distribution system

Low voltage power distribution system

DC power distribution system

19. Cooling coil controls the indoor temperature and humidity via a heat exchange with refrigerant and indoor air.

True

False

20. The end of lead-acid battery discharge, the voltage drop, positive and negative active materials transform into ().

PbO

H2SO4

PbSO4

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21. For the unsaturated air, the relationship of size among the dry bulb temperature, wet bulb temperature and dew point temperature is ().

Dry bulb temperature> Dew point temperature> Wet bulb temperature

Dry bulb temperature> wet bulb temperature> dew point temperature

Wet bulb temperature> dew point temperature> dry bulb temperature

wet bulb temperature> dry bulb temperature> dew point temperature

22. The features of UPS are (). (Multiple Choice)

steady voltage

Steady frequency

Anti-voltage surge

continue to supply power to the load when there is no utility power

23. Air conditioning has three major indicators; the three major indicators refer to (). (Multiple Choice)

Temperature

Humidity

Cleanliness

Dryness

24. According to different categories by electrolyte, the batteries can be divided into () and (). (Multiple Choice)

lead acid batteries

alkaline batteries

lean liquid battery

flooded battery

25. Which of the following outdoor modles belongs to double fan?

NetCol500-A032

NetCol500-A072

NetCol500-A038

NetCol500-A026

26. When the load is 60KW, the capacity of each UPs is 100KVA, the power factor is 0.95, when the system must be redundancy configuration, how many UPS does it need at least?

27. UPS can clean electricity input, output stable exchange, to protect the load.

True

False

28. According to the battery, different electrolyte storage can be divided into ( ) and ( ). (Multiple choice)

GEL

GFM

VRLA

AGM

29. Under certain conditions of atmospheric pressure and water vapor content, to cool the air, when the air reaches saturation, cooling will continue to condense when the temperature is ().

Dry bulb temperature

Wet bulb temperature

Dew point temperature

Absolute temperature

30. Huawei monitoring system NetEco only can access to the equipment supported SNMP protocol.

True

False

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31. The basic principle of runner dehumidifier is that the water vapor runs into cooling copper tube fins forming water droplets and dehumidification.

True

False

32. UPS common system configuration are N system, N + X system and 2N system.

True

False

33. Which of the following description about sending back to send air is correct?

The air outlet is located in the upper part of the air-conditioned room and the air return is located in the lower part of the air-conditioned room

Air flow from the central outlet sent through the work area and then discharged from the lower air outlet

Air flow from the upper outlet sent out into the work area and then discharged from the upper air outlet to form on the back to send the air flow organization

No need to control the entire space as a control object, only the air conditioning area located in the lower part of the room to control

34. The smaller the PUE value of a data center room, the greater the power consumed by the data center infrastructure such as cooling and power supply.

True

False

35. Which of the following is the correct indication of a fixed valve-regulated lead-acid batteries with 2V single cell, rated capacity of 800Ah?

1-GFM-800

800-GFM-1

800-GMF-1

GFM-800

36. What types does Dual power switch ATS switch according to the different type of switches can be divided into? (Multiple choice)

Standard switch

Delay switch

Instantaneous switch

Closed switch

37. Huawei's monitoring system NetEco can only manage the infrastructure of a single data center and can not centrally manage multiple data center infrastructures managed by different regions.

True

False