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Huawei H12-425_V2.0 Practice Test - Questions Answers, Page 4

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Which of the following menus can be used by engineers to manually add devices on the NetEco?
To determine whether the R410A refrigerant meets requirements, compare the internal pressure of the refrigerant with the saturation pressure corresponding to the refrigerant temperature. If the difference between the internal pressure and the saturation pressure is within the range of which of the following, replace the refrigerant?
To modify the FusionModule2000 plan view of the ECC800-Pro, users need to log in to the WebUI as admin account.
Which of the following statements are true about the dry contact card of the integrated UPS?
Which of the following statements about ECC800-Pro features are true?
Which of the following statements about the functions of the AC PDB is false?
In a project 32 NetCol8000-Cs need to be networked for teamwork. Each group consists of four air conditioners. How should the northbound RS485 grouping switches, namely, toggle switches 2 and 3 on the main control module, be set for the last air conditioner in each group?
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.
What is the input/output voltage range of the SmartLi BCU?
The optional temperature and humidity sensor for the UP55000 cannot be cascaded.

Question 31

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Which of the following devices can be powered by the PDU8000 integrated PDF in the FusionModule2000?

A.
indoor unit of an air-cooled precision air conditioner
A.
indoor unit of an air-cooled precision air conditioner
Answers
B.
indoor unit of a water-cooled precision air conditioner
B.
indoor unit of a water-cooled precision air conditioner
Answers
C.
IT load
C.
IT load
Answers
D.
Chiller
D.
Chiller
Answers
Suggested answer: C

Question 32

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Which of the following actions may be triggered after the high liquid level float of a Huawei chilled water precision air conditioner floats longer than the specified duration?

A.
The air conditioner shuts down.
A.
The air conditioner shuts down.
Answers
B.
One water pump starts.
B.
One water pump starts.
Answers
C.
A drainage exception alarm is generated.
C.
A drainage exception alarm is generated.
Answers
D.
One water pump shuts down.
D.
One water pump shuts down.
Answers
Suggested answer: C

Question 33

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What are the benefits of PowerEcho for the NetEco?

A.
Web-based unified maintenance interface
A.
Web-based unified maintenance interface
Answers
B.
Operation wizard
B.
Operation wizard
Answers
C.
Quick fault locating
C.
Quick fault locating
Answers
D.
One-click health check
D.
One-click health check
Answers
Suggested answer: D

Question 34

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

A.
Mains outage occurs.
A.
Mains outage occurs.
Answers
B.
The power module is overloaded for a period longer than the specified time.
B.
The power module is overloaded for a period longer than the specified time.
Answers
C.
Power module overtemperature occurs.
C.
Power module overtemperature occurs.
Answers
D.
Bypass module hardware is faulty.
D.
Bypass module hardware is faulty.
Answers
Suggested answer: B

Question 35

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Which of the following statements are true about the dry contact card of the integrated UPS?

A.
After the BCB port of dry contact card is connected, the BCB port can be used only if it is enabled on the monitoring software.
A.
After the BCB port of dry contact card is connected, the BCB port can be used only if it is enabled on the monitoring software.
Answers
B.
The EPO port can be normally open or normally closed.
B.
The EPO port can be normally open or normally closed.
Answers
C.
The UPS dry contact card can be used to detect the switch status of the battery system.
C.
The UPS dry contact card can be used to detect the switch status of the battery system.
Answers
D.
The dry contact card cannot detect the status of an external battery switch.
D.
The dry contact card cannot detect the status of an external battery switch.
Answers
Suggested answer: C

Question 36

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Three UPS5000-E-400Ks from a 2+1 parallel system. Which of the following statements about the parallel system are true?

A.
The parallel system capacity displayed on the LCD is 1200 kVA.
A.
The parallel system capacity displayed on the LCD is 1200 kVA.
Answers
B.
The networking mode is set to one-to-multiple for one UPS, and set to one-to-one for the other two UPSs.
B.
The networking mode is set to one-to-multiple for one UPS, and set to one-to-one for the other two UPSs.
Answers
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.
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.
Answers
D.
If the load is 420 kW, each of the three UPSs carries 140kW load.
D.
If the load is 420 kW, each of the three UPSs carries 140kW load.
Answers
Suggested answer: D

Question 37

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Which of the following methods can be used to open the access control for the FusionModule2000 smart module?

A.
Fingerprint
A.
Fingerprint
Answers
B.
Card reader
B.
Card reader
Answers
C.
Password
C.
Password
Answers
D.
Facial recognition
D.
Facial recognition
Answers
Suggested answer: A

Question 38

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Which of the following are components of NetCol8000-E220? (Choose three.)

A.
Indirect heat exchange system
A.
Indirect heat exchange system
Answers
B.
Mechanical auxiliary cooling system
B.
Mechanical auxiliary cooling system
Answers
C.
Spray system
C.
Spray system
Answers
D.
Electric control system
D.
Electric control system
Answers
Suggested answer: A, C, D

Question 39

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What are the application scenarios of lead-acid batteries in Huawei FusionModule2000 standard configuration?

A.
Battery pack
A.
Battery pack
Answers
B.
Built-in battery cabinet
B.
Built-in battery cabinet
Answers
C.
External battery rack
C.
External battery rack
Answers
D.
Battery box
D.
Battery box
Answers
Suggested answer: B

Question 40

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Which features of Huawei integrated UPS can reduce the footprint?

A.
Intelligent alternating hibernation technology
A.
Intelligent alternating hibernation technology
Answers
B.
High power density design
B.
High power density design
Answers
C.
Hot swap
C.
Hot swap
Answers
D.
Installation against a wall
D.
Installation against a wall
Answers
Suggested answer: B
Total 55 questions
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