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Huawei H20-923_V1.0 Exam - Topic 2 Question 9 Discussion
Topic #: 2
In IT scenarios, which of the following are the power supply and distribution components of the FusionDC1000A?
In the FusionDC1000A IT scenario, the power chain is built around an AC input, conditioned backup power, energy storage, and final distribution to the IT racks. Integrated UPS is the core power-conditioning component, providing voltage and frequency stabilization and uninterrupted supply during mains disturbances. The UPS works together with SmartLi, Huawei's lithium battery system, which serves as the energy storage unit to sustain the load during outages and to support controlled shutdown or generator switchover. After UPS output, power is delivered to the IT loads through the Power PDB, which performs downstream distribution, branch protection, and organized cable termination toward rack PDUs or IT equipment feeders. By contrast, an AC/DC power system is typically associated with DC bus supply used in telecom-oriented or dedicated DC load scenarios, not the standard IT scenario architecture of FusionDC1000A that is centered on UPS plus battery plus AC distribution. Therefore, the correct components for IT scenarios are SmartLi, Power PDB, and Integrated UPS.
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