Free H12-425 Exam Dumps Preview

Question 1

Single choice

NetEco can't send work orders to processors.

1. A

   TRUE

2. B

   FALSE

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Correct answerB

Question 2

Single choice

The Skylight actuator can access to the ECC800 wirelessly.

1. A

   TRUE

2. B

   FALSE

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Correct answerA

Question 3

Single choice

Wind pipe has shorter air supply distance than the blast cap.

1. A

   TRUE

2. B

   FALSE

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Correct answerA

Question 4

Single choice

The ECC800-Pro is the core component for FusionModule2000 local management. Southbound components can be using the PoE bus.

1. A

   True

2. B

   False

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Correct answerA

Question 5

Single choice

To avoid voltage unbalance between batteries, batteries need to do () in period.

1. A

   Float Charging

2. B

   Self Discharge

3. C

   Equalized Charging

4. D

   Charging Test

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Correct answerC

Question 6

Single choice

Which one is the best PUE in the following?

1. A

   1.06

2. B

   2

3. C

   0.3

4. D

   -0.5

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Correct answerA

Question 7

Single choice

Which of the following statements about the functions of the AC PDB is false?

1. A

   Supplies power to air conditioners.

2. B

   Supplies power to fans.

3. C

   Supplies power to theextinguishantcontrol panel.

4. D

   Supplies power to sockets in the modules.

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Correct answerD

Question 8

Single choice

After all historical alarms of the NetCol5000-A are deleted, the deletion operation is not logged.

1. A

   True

2. B

   False

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Correct answerB

Question 9

Single choice

The humidifier that used in NetCol8000-A is ().

1. A

   Electrode humidifier

2. B

   Infrared humidifier

3. C

   Wet film humidifier

4. D

   High-pressure micro-mist humidifier

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Correct answerB

Question 10

Single choice

NetCol5000-Acompressor discharge high pressure alarm occurs, it may not that ().

1. A

   The outdoor fan fails to start

2. B

   The outdoor fan is running at low speed

3. C

   The refrigerant is overfilled.

4. D

   The refrigerant is insufficient.

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Correct answerD

Question 11

Multiple choice

The compressor of NetCol5000-A generates a loud noise, possible reasons (). (Choose three)

1. A

   Liquid refrigerant is returning to the compressor.

2. B

   The lubricant is insufficient

3. C

   The sheet metal for securing the compressor during transportation are not

4. D

   The phase sequence of power supply may be incorrect

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Correct answersA, B, C

Question 12

Single choice

Which is an optional component of for NetCol5000-A?

1. A

   Fan

2. B

   Evaporator

3. C

   Compressor

4. D

   Electric heater

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Correct answerD

Question 13

Single choice

The NetCol5000-A25 kW supports light load dehumidification.

1. A

   TRUE

2. B

   FALSE

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Correct answerA

Question 14

Single choice

ECC800 supports two AC power inputs.

1. A

   TRUE

2. B

   FALSE

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Correct answerA

Question 15

Single choice

() can connect to the AI/DI port on the access actuator.

1. A

   IC card reader

2. B

   Fingerprint and card reader

3. C

   Exit button

4. D

   Magnetic

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Correct answerC

Question 16

Single choice

When the UPS5000-E works in normal mode, in which condition will the UPS automatically transfer to bypass mode?

1. A

   Mains outage occurs.

2. B

   The power module is overloaded for a period longer than the specified time.

3. C

   Power module overtemperature occurs.

4. D

   Bypass module hardware is faulty.

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Correct answerB

Question 17

Single choice

When two UPS5000-E share battery strings, the battery capacity of each UPS should be set to the total capacity of battery strings.

1. A

   TRUE

2. B

   FALSE

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Correct answerA

Question 18

Multiple choice

The access control devices in Huawei FusionModule2000 are classified into (). (Choose three)

1. A

   Fingerprint and card reader with a keypad.

2. B

   Fingerprint and card reader

3. C

   Card reader with a keypad.

4. D

   Facial recognition access controller

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Correct answersA, B, C

Question 19

Single choice

In NetCol5000-A compressor, if many bubbles exist in the oil sight glass, it indicates that the superheat degree is high.

1. A

   TRUE

2. B

   FALSE

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Correct answerB

Question 20

Single choice

If the battery charge current limit coefficient of the UPS5000-E is set to 0.1C10, which of the following statements about this parameter is true?

1. A

   The maximum battery charge current is 0.1C10.

2. B

   The battery charge current is always 0.1C10.

3. C

   The battery float charge current is 0.1C10.

4. D

   The maximum battery charge current is 0.1C10.

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Correct answerA

Question 21

Multiple choice

The gas extinguishing equipment consist of (). (Choose three)

1. A

   Fire cylinder

2. B

   Pressure switch

3. C

   ETH converter

4. D

   Electro magnetic valve

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Correct answersA, B, D

Question 22

Multiple choice

Through the ECC800Web interface, what can users do? (Choose four)

1. A

   Real-time monitoring of device status

2. B

   Query version information

3. C

   Export historical data

4. D

   Software upgrade

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Correct answersA, B, C, D

Question 23

Single choice

Three UPS5000-E-400Ks from a 2+1 parallel system.

Which of the following statements about the parallel system are true?

1. A

   The parallel system capacity displayed on the LCD is 1200 kVA.

2. B

   The networkingmode is set to one-to-multiple for one UPS, and set to one-to-one for the other two UPSs.

3. C

   If the load is 420 kW, each of two UPSs carries 210 kW load, and the other one is standby and does not carry load.

4. D

   If the load is 420 kW, each of the three UPSs carries 140kW load.

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Correct answerD

Question 24

Single choice

Which of the following is a standard component in the FusionModule800 typical configuration?

1. A

   PAD

2. B

   Video surveillance system

3. C

   Intelligent lock

4. D

   iBattery

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Correct answerA

Question 25

Multiple choice

What should be done if the humidifier cylinder needs to be removed and maintained? (Choose four)

1. A

   Disconnect the cables of the water supply valve and the water drain valve.

2. B

   Remove the components of the water drain trough and valve

3. C

   Remove and clean the water supply valve.

4. D

   Replace the hose that has become rigid and fragile and thoroughly clean

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Correct answersA, B, C, D

Question 26

Single choice

The () is used to urgently start gas fire extinguishing equipment in a case of fire.

1. A

   Emergency abort button/manual gas release button

2. B

   Fire cylinder

3. C

   Pressure switch

4. D

   Electromagnetic valve

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Correct answerA

Question 27

Single choice

The input voltage range of the UPS5000-E is () V.

1. A

   305-485

2. B

   140-490

3. C

   120-480

4. D

   138-485

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Correct answerD

Question 28

Single choice

In large-scale data centers such as financial securities centers and telecom hubs, UPSs with a capacity of 200 kVA or higher are usually used. For the UPS5000-E-200k, 12 V battery packs are usually configured as backup power instead of battery racks.

1. A

   True

2. B

   False

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Correct answerB

Question 29

Single choice

NetEco can mail reports to customers.

1. A

   TRUE

2. B

   FALSE

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Correct answerA

Question 30

Single choice

If multiple data centers need to be monitored at the same time hierarchical deployment is available.

1. A

   TRUE

2. B

   FALSE

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Correct answerA

Question 31

Single choice

For NetCol5000-A installation, the required time of preserving positive pressure is () hours.

1. A

   8

2. B

   12

3. C

   24

4. D

   16

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Correct answerC

Question 32

Single choice

When doing maintenance of UPS5000-E, make sure loads continue to powered, we should first perform EPO and then turn the maintenance bypass switch.

1. A

   TRUE

2. B

   FALSE

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Correct answerB

Question 33

Multiple choice

Which component of UPS5000-E support hot swappable? (Choose four)

1. A

   Power module

2. B

   Bypass module

3. C

   Energy control module

4. D

   Dry contact card

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Correct answersA, B, C, D

Question 34

Single choice

For UPS battery installation, the installation tools are not require to insulate.

1. A

   TRUE

2. B

   FALSE

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Correct answerB

Question 35

Single choice

Which of the following PH values meets the water quality requirements of NetCol8000- E220?

1. A

   3

2. B

   5

3. C

   7

4. D

   9

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Correct answerC

Question 36

Single choice

If the UPS5000-E is overloaded in normal mode, it transfers to bypass mode immediately. The bypass supplies power to loads to protect the UPS.

1. A

   True

2. B

   False

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Correct answerB

Question 37

Single choice

To compensate the capacity loss due to battery self-discharge, battery needs to do

1. A

   Float Charging

2. B

   Self Discharge

3. C

   Equalized Charging

4. D

   Charging Test

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Correct answerA

Question 38

Single choice

The UPS5000-E-200K works in normal mode.
If two ECMs are faulty, how does the UPS work?

1. A

   The UPS has no output.

2. B

   The UPS transfers to bypass mode.

3. C

   The LCD is off, but the UPS still works in normal mode.

4. D

   The UPS switches to battery mode.

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Correct answerB

Question 39

Single choice

If a fire occurs in the FusionModule1000, the smoke detector and heat detector will send a fire alarm to the
fire alarm control panel.

1. A

   TRUE

2. B

   FALSE

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Correct answerA

Question 40

Single choice

First time powering on UPS5000-E, make sure that the load switch is OFF

1. A

   TRUE

2. B

   FALSE

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Correct answerA

Question 41

Single choice

In the water-side free cooling solution, cold water can be transported directly from the cooling tower to
chilled water air conditioner.

1. A

   TRUE

2. B

   FALSE

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Correct answerA

Question 42

Single choice

As the altitude increases, the air density decreases, and the heat exchange capability of the air in a unit volume decreases. In this case, the NetCol8000-E220 works with derating.

1. A

   True

2. B

   False

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Correct answerA

Question 43

Single choice

What are the benefits of PowerEcho for the NetEco?

1. A

   Web-based unified maintenance interface

2. B

   Operation wizard

3. C

   Quick fault locating

4. D

   One-click health check

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Correct answerD

Question 44

Single choice

UPS2000-G-10K supports: Three phase Input, Three phase Output

1. A

   TRUE

2. B

   FALSE

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Correct answerB