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| Section | Objectives |
|---|---|
| Topic 1: Data Center Facility Fundamentals | - Power Systems Overview
|
| Topic 2: Sales and Solution Positioning | - Customer requirements analysis
|
| Topic 3: Cooling and Environmental Control | - Cooling Technologies
|
| Topic 4: Huawei Data Center Solutions Overview | - Huawei facility product portfolio
|
>> H19-105_V2.0 Valid Mock Exam <<
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NEW QUESTION # 22
iSitePower-S can supply customers with uninterruptible power. The power-off switchover time is less than (
___ ) ms, with no interruption to the service.
Answer: A
Explanation:
Huawei iSitePower-S is an integrated hybrid power supply solution designed for scenarios requiring reliable electricity despite unstable utility networks, frequent power outages, or limited access to grid infrastructure.
The system combines multiple power sources, including utility electricity, photovoltaic generation, battery storage, and diesel generators where necessary. Intelligent energy management coordinates these resources to maintain power availability while reducing fuel consumption and operating costs.
Option A is correct because Huawei specifies a power switchover time of less than 10 milliseconds, enabling connected services to continue operating without interruption.
The rapid switchover capability is particularly important for communication equipment, industrial control systems, commercial facilities, and other critical loads that may be sensitive to power interruptions.
In weak-grid environments, the solution reduces dependence on diesel generators through the coordinated utilization of solar generation and batteries. For off-grid applications, Huawei identifies potential fuel savings of approximately 50%, depending on the operating configuration.
The solution also supports different output requirements, including AC and DC-powered equipment, enabling a single integrated power platform to serve multiple applications.
Options B, C, and D specify longer switchover intervals and do not correspond to Huawei's stated performance specification.
Huawei Training Material - Supporting Extract
Intelligent Fuel Removal: Reduce Fuel 50%, with Uninterrupted Power Supply.
iSitePower-S: no fuel required in poor-grid scenarios, 50% fuel saving in off-grid scenarios, payback period <
3 years.
Switchover time < 10 ms, 0 service interruption.
Unified system, multi-input, multi-output.
Huawei Course Reference: Introduction to Huawei Data Center Facility and Critical Power Solutions - Intelligent Fuel Removal: Reduce Fuel 50%, with Uninterrupted Power Supply. PDF page 68; slide 69.
Verification assessment: Verified: switchover < 10 ms.
NEW QUESTION # 23
How long is the delivery time, not counting transportation, for the PowerPOD 3.0 system?
Answer: B
Explanation:
Huawei PowerPOD 3.0 significantly reduces delivery and deployment time through factory prefabrication, integrated equipment design, and simplified onsite electrical connections.
Option A is correct because the stated PowerPOD 3.0 deployment period is approximately two weeks, excluding transportation.
Conventional power supply system construction typically requires coordination among multiple equipment manufacturers and onsite installation contractors. The work includes installing separate cabinets, assembling electrical connections, routing cables and busbars, commissioning individual components, and verifying integrated system operation.
Huawei simplifies these activities by performing substantial equipment integration and pre-commissioning in the factory.
Its prefabricated busbar architecture also reduces the number of onsite cable connections, minimizing installation labor and the risk of connection errors.
The PowerPOD 3.0 delivery comparison allocates approximately one week to onsite installation and a further week to testing and commissioning. This produces a total deployment period of approximately two weeks.
Option B represents the conventional delivery duration used in Huawei's comparison rather than the PowerPOD 3.0 target.
Options C and D are inconsistent with the specified implementation schedule.
The reduction from more than two months to approximately two weeks demonstrates the operational benefit of engineering productization and factory-integrated power infrastructure.
Huawei Training Material - Supporting Extract
Time saving: Prefabricated and controllable quality, delivery time 2 months #2weeks.
Traditional solution: Installation: 1.5 months; Test: 1 month; TTM > 2month.
PowerPOD 3.0: Installation: 1 week; Test: 1 week; TTM 2week.
#75%.
Huawei Course Reference: PowerPOD 3.0 - Time Saving: Prefabricated and Controllable Quality. PDF page 21; slide 22.
Verification assessment: Direct two-week PowerPOD 3.0 implementation schedule.
NEW QUESTION # 24
Which of the following statements about the Huawei high-temperature chilled water fan wall are correct?
Select all that apply
Answer: A,B,C
Explanation:
Huawei's high-temperature chilled water fan-wall solution combines electrical efficiency, modular maintenance, simplified infrastructure construction, and improved cooling performance.
Option A describes the solution's integrated Power Factor Correction (PFC) capability. Huawei's intelligent rectifier incorporates PFC technology, reducing Total Harmonic Distortion of current (THDi) to below 5% and improving power factor to above 0.99 under the stated rated-load conditions. This eliminates the requirement for a separate Active Power Filter (APF) for the specified harmonic performance. However, the term DG is not established as the component integrating PFC; the identified component is the intelligent rectifier.
Option C is correct because the fan-wall solution uses horizontal airflow distribution without requiring raised- floor construction. Removing the raised-floor requirement simplifies installation and reduces associated capital expenditure.
Option D is correct because the higher chilled-water inlet temperature, increasing from approximately 15°C to
20°C, improves cooling efficiency and reduces Cooling Load Factor (CLF) by approximately 15%.
Option B introduces an unsupported extension of the hot-swappable component list. The modular hot-swap design specifically identifies the main control board, fan driver, and low-voltage power supply. The complete fan unit is not expressly included in that one-minute hot-swap list.
Therefore, A, C, and D are the intended selections, with the component terminology in A requiring correction.
Huawei Training Material - Supporting Extract
Fan Wall High-Efficiency Cooling: 15%# CLF; inlet water temperature:15 # # 20 # ; Simplified O & M: 1min (30min # 1min); Hot-swappable module.
Integrated PFC module, THDi < 5%, PF > 0.99 @100% load. Intelligent rectifier (integrates PFC). THDi <
5%@100% load, APF is not required.
Huawei modular design (main control board/fan driver/and low-voltage power supply).
Huawei Course Reference: Fan Wall: High-Efficiency Cooling, Extraordinary Reliability, and Simplified O
& M; Integrated PFC Module; One-Side Maintenance. PDF pages 36-39; slides 37-40.
NEW QUESTION # 25
What is the material type of the heat exchanger used in Huawei's indirect evaporative cooling solution EHU?
Answer: A
Explanation:
Huawei's Indirect Evaporative Cooling (EHU) solution incorporates a polymer heat exchanger as a principal technology for improving heat transfer efficiency, reducing water consumption, and simplifying maintenance.
Option B is correct because Huawei specifically identifies its IceCube polymer heat exchanger as a core component of the EHU cooling architecture.
Compared with conventional metal heat exchangers, the polymer design provides advantages in resistance to scaling, chemical stability, mechanical recoverability, and water quality requirements.
Traditional metal heat exchangers may experience deteriorating heat transfer performance as scale accumulates on their surfaces. They can also require more demanding water treatment and aggressive cleaning procedures that may damage metallic heat exchange fins.
Huawei's polymer heat exchanger is designed to maintain heat transfer performance while simplifying scale removal. Its material properties also allow more complex internal flow structures, including airfoil and enhanced turbulence designs.
These improvements increase convective heat transfer efficiency while reducing airflow resistance.
Huawei identifies approximately 30% water savings compared with traditional heat exchanger arrangements, supporting more sustainable cooling system operation.
Options A, C, and D do not correspond to the specified Huawei EHU heat exchanger material. Therefore, B is the correct selection.
Huawei Training Material - Supporting Extract
Core technology: polymer heat exchanger, long-lasting and efficient heat exchange, saving water by 30%.
The heat exchange efficiency is not attenuated. Not easy to scale, simple to remove scale.
Low water quality requirements. Only demineralized water is required, and the waste water rate is generally less than 10%.
High chemical stability, easy cleaning after scaling.
Improves convective heat transfer efficiency by about 5%. Reduce wind resistance by 13%.
Huawei Course Reference: Introduction to Huawei Data Center Facility and Critical Power Solutions - EHU: Core Technology, Polymer Heat Exchanger. PDF page 31; slide 32.
Verification assessment: Direct polymer heat-exchanger product specification.
NEW QUESTION # 26
Which of the following statements about the Huawei prefabricated modular data center solution are incorrect?
Answer: A,C
Explanation:
Huawei's FusionDC prefabricated modular architecture incorporates standardized power, cooling, battery, and IT modules to accelerate construction while preserving operational reliability.
Option A is incorrect because prefabricated modular data centers are not categorically excluded from obtaining property certificates. Huawei identifies property certification as a supported characteristic of its Panshi structural architecture, subject to applicable project and regulatory requirements.
Option D is also incorrect. The FusionDC1000C power supply module distinguishes between domestic and international configurations. Huawei identifies transformer-integrated power modules for China, whereas the standard large-data-center power supply module outside China is configured without a transformer.
Option C reflects a supported deployment objective. Huawei identifies delivery of a 1,000-cabinet prefabricated data center in approximately half a year, with its broader project comparison specifying six to nine months depending on deployment arrangements.
Option B requires technical qualification. FusionDC1000C supports multiple cooling configurations, including built-in DX air conditioning in certain medium-sized IT modules and separate cooling modules using EHU-DX or fan-wall arrangements. Consequently, describing in-row air cooling as a universal characteristic of FusionDC1000C is imprecise.
A and D are the definitively incorrect statements. B should be rewritten to identify the particular module configuration.
Huawei Training Material - Supporting Extract
FusionDC1000C Power Supply Module: China, with 2~2.5 MVA transformer inside. Outside China, without transformer.
FusionDC1000C Structural Reliability: 50-year service life; Design life: 50 years; You can get a property certificate.
FusionDC1000C Architecture: Deliver 1000 cabinets DC in half a year, TTM shorten 50%+.
Huawei Course Reference: FusionDC1000C Architecture; Focus on 4 Types of Core Modules; Reliable:
Panshi Structure. PDF pages 41-45; slides 42-46.
NEW QUESTION # 27
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