Huawei H12-425_V2.0 Exam Practice Test Instant Access

Question 1

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 UPS5000-E-200k, 12 V battery packs are usually configured as backup power instead of battery racks.

ATrue

BFalse

Answer : B

Question 2

In the FusionModule800 grounding solution, each cabinet is connected to the ground bar of the data center.

ATrue

BFalse

Answer : A

Question 3

During the installation of an air conditioner system, which of the following statements are correct about the draining impurities from the refrigerant pipe?

ABlock one of the pipe ports.

BFill the pipe with high-pressure nitrogen.

CQuickly remove the pipe plug, and avoid facing people to prevent injury.

DTo discharge nitrogen from the outdoor unit.

Answer : B

Question 4

The power system of a UPS2000-G-15K at a site is three-phase input and single-phase output. After installation, it is found that the mains and bypass inputs are three-phase, the output is single-phase, and the mains and bypass inputs share a power source. Which of the following statements are true about the UPS wiring mode?

AThe wiring mode is incorrect, if the upstream mains input switch is turned on, the UPS will be short-circuited and damaged immediately.

BThe wiring mode is correct. The UPS can start properly.

CThe wiring mode is incorrect. The UPS cannot work in battery mode, but can still work in bypass mode or inverter mode.

DThe wiring mode is incorrect. The correct wiring mode should be single-phase bypass input, three-phase mains input, and one power source.

Answer : A

Question 5

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?

AThe air conditioner shuts down.

BOne water pump starts.

CA drainage exception alarm is generated.

DOne water pump shuts down.

Answer : C

Question 6

Which of the following statements is true about UPS5000 power modules and bypass modules?

AThe UPSS000-E-200K and UPS5000-E-400K use the same power module and provide the same capacity of 50 kVA but have different numbers of power modules.

BFor UPSs of the same model but in different power segments, their bypass module capacity is the same.

CThe power module capacity of both the UPS5000-S and UPS5000-E is 50 kVA. Therefore, the two types of UPS can be used together.

DThe power modules used in the UPSS000-S-1200K are the same as those used in the UPS5000-E-200K.

Answer : A

Question 7

Which air supply mode requires reasonable raised floor height?

AAir supply mode using blast caps.

BUnderfloor air supply mode

CAir supply mode using wind pipe

DIn-row horizontal air supply mode

Answer : B

Huawei H12-425_V2.0 HCIP-Data Center Facility Deployment V2.0 Exam Practice Test