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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Modular Data Center Solutions | 10% | - FusionModule2000
|
| Topic 2: Huawei Data Center Facility Solutions | 2% | - Modular deployment strategies - Overall architecture and integrated management |
| Topic 3: DCIM and Management Tools | 24% | - iManager NetEco 6000 - ECC800-Pro Controller - Monitoring, control and optimization - Deployment and configuration |
| Topic 4: Safety and Monitoring Systems | 15% | - Security and access control - Environment monitoring - Fire protection systems |
| Topic 5: Cooling Systems | 18% | - Free cooling technologies - Precision air conditioning - Cooling system design and maintenance |
| Topic 6: Power Supply and UPS Systems | 31% | - UPS5000 series - FusionPower solutions - Power distribution and protection - UPS2000 series |
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NEW QUESTION # 24
When the outdoor unit is installed at a position higher than the indoor unit, install an oil trap every five to six meters in the vertical direction along the gas pipe to ensure system reliability.
Answer: B
Explanation:
This statement is true. In split DX/precision cooling refrigerant systems, the "gas pipe" typically refers to thesuction linereturning refrigerant vapor (and entrained compressor oil) from the indoor evaporator to the outdoor unit/compressor. When theoutdoor unit is higher than the indoor unit, the suction line includes avertical riser. Oil naturally tends to settle and flow downward under gravity, so without proper piping measures, oil may accumulate in low points or fail to be carried upward consistently, leading topoor oil return.
Insufficient oil return can cause compressor lubrication issues, abnormal noise, overheating, reduced efficiency, and long-term reliability risks. Installingoil trapsat the bottom of the riser and thenevery 5-6 metersof vertical lift helps collect oil and allows it to be periodically swept upward by refrigerant velocity, maintaining stable oil circulation. This requirement is especially important in data center cooling because continuous operation and high availability demand reliable compressor lubrication and stable refrigerant flow under varying load conditions.
NEW QUESTION # 25
After installing the FusionCol8000-C (110-440 kW), inject water to preserve the pressure for the chilled water pipes to how many MPa. After 30 minutes, check that no leakage occurs. Preserve the pressure for 24 hours. If the pressure drop is less than 0.01 MPa and no leakage occurs, the pipes do not leak.
Answer: C
Explanation:
For FusionCol8000-C chilled-water systems, Huawei commissioning requires a water leakage/pressure-holding test on the chilled-water piping after installation to verify joint sealing, valve interfaces, and connection integrity before long-term operation. The specified method is to raise the water pressure in the chilled-water pipe to 0.8 MPa, then observe for 30 minutes to confirm there is no visible leakage. If the system remains dry, the same pressure is retained for
24 hours as a stability verification step. The acceptance criterion is that the pressure drop is less than 0.01 MPa over the 24-hour period and no leakage is found, which demonstrates that the piping and fittings meet tightness requirements under the prescribed test pressure. This procedure helps prevent future failures such as slow seepage, corrosion around joints, insulation waterlogging, and unexpected shutdowns caused by water loss or low differential pressure alarms. It also ensures that subsequent flushing, venting, and operational commissioning can be performed safely and reliably.
NEW QUESTION # 26
Which of the following can be used to start the inverter of the UPS5000-H?
Answer: C,D
Explanation:
For the Huawei UPS5000-H, inverter startup is executed through theUPS's own control interfaces, which provide the "Running Control / Inv. ON" operation with the required confirmations and permissions. TheUPS LCD (MDU touchscreen)supports inverter startup through menu operations such as selecting inverter start functions and confirming the action after authentication. TheUPS WebUIalso provides the same operational control path, where an operator logs in and issues theInv. ONcommand under the UPS monitoring/running control pages. These two interfaces are part of the UPS monitoring and control design and are explicitly used for commissioning and routine O&M actions.
By contrast,ECC(data center controller) andNetEco(management platform) are mainly used for site-level monitoring, alarm collection, visualization, reporting, and centralized management. While they can display UPS status and alarms (and may integrate with UPS data), inverter startup is defined as aUPS running control operationperformed on the UPS's LCD or WebUI control plane to ensure proper authorization, safety checks, and command traceability.
NEW QUESTION # 27
What is the main function of an ATS (Automatic Transfer Switch) in a data center power architecture?
Answer: C
Explanation:
An ATS automatically transfers the electrical load from a primary source (e.g., utility) to a secondary source (e.g., generator or backup feed) upon detecting a failure, helping maintain continuous power to critical loads.
NEW QUESTION # 28
In Huawei's smart module solution, what is a typical benefit of remote commissioning via the ECC800-Pro app?
Answer: C
Explanation:
The ECC800-Pro app enables remote access to commissioning functions such as device discovery, parameter configuration, and alarm verification, improving deployment efficiency and reducing the need for engineers to be physically present for every commissioning step -- while still requiring proper authentication.
NEW QUESTION # 29
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