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| Section | Objectives |
|---|---|
| Topic 1: Cooling System | - Air-Cooled and Water-Cooled Chillers - Cooling System Architecture and Design - Free Cooling Technologies - In-Row and In-Rack Cooling Units |
| Topic 2: Data Center Facility Overview | - Data Center Facility Concepts and Development Trends - Huawei Data Center Facility Solution Portfolio - Typical Data Center Scenarios and Requirements |
| Topic 3: Power Supply and Distribution System | - Power Distribution Unit (PDU) and Power Distribution Architecture - UPS System Principles and Configuration - Power Supply and Distribution System Architecture - Battery Systems and Reliability |
| Topic 4: Data Center Infrastructure Management (DCIM) | - Energy Efficiency Management - DCIM System Architecture - Monitoring and Alarm Management |
| Topic 5: Modular Data Center | - Modular Data Center Concepts and Benefits - Design, Delivery, and Installation - Huawei FusionModule Series |
>> H20-923_V1.0 Übungsmaterialien <<
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62. Frage
In Huawei's prefabricated modular data center portfolio, which series combines civil engineering elements with electromechanical infrastructure for large-scale, container/building-level deployments?
Antwort: C
Begründung:
FusionDC1000 is Huawei's prefabricated modular data center series delivered as factory-built modules combining structural/civil elements with electromechanical systems (power, cooling, monitoring) for rapid on-site assembly at larger capacity tiers. FusionModule2000 is a smart module product, not a prefabricated civil+electromechanical solution; FusionCol relates to cooling row-based solutions; FusionSolar is Huawei's PV inverter/solar brand.
63. Frage
The default port number for logging in to the NetEco is
Antwort: D
Begründung:
In Huawei NetEco access design, the Web client is reached using HTTPS to protect credentials and management data in transit. During initial deployment and commissioning, engineers access the NetEco login page by entering the server IP address followed by the default HTTPS service port. Huawei's standard login method specifies that users open a browser and enter
https://NetEco server IP:31943 to access the NetEco login interface. This port is therefore treated as the default Web login port in typical on-premises NetEco deployments, and it is the baseline value referenced in installation and login guidance. Other ports may appear in specific tools, customized scenarios, version variants, reverse-proxy deployments, or when security policy requires port changes, but those are exceptions driven by planning or product packaging. For exam and commissioning purposes, the correct default login port is the one used by the NetEco Web client entry point under the standard deployment model: 31943.
64. Frage
Video management can connect to the third-party video surveillance subsystem and play historical videos.
Antwort: A
Begründung:
In Huawei's data center O&M architecture, video is treated as an important auxiliary capability for security and remote operation. The Video Management function is designed not only to view live camera feeds, but also to integrate video resources into the same O&M workflow as alarms, access control events, and environmental monitoring. In typical deployments, the actual video storage and recording are handled by a third-party video surveillance subsystem (for example, an NVR/VMS platform). Huawei's video management function can connect to that third-party subsystem so that camera resources can be accessed in a unified interface, allowing operators to perform linkage operations such as "view video on alarm" and routine security inspection without switching platforms. Because historical recordings are stored by the surveillance subsystem, once the integration is established and permissions are correctly configured, operators can retrieve and play back historical video for event tracing, audit, and incident investigation. This supports closed-loop O&M: alarm/event occurs -> video verification -> root-cause confirmation -> maintenance action -> evidence retention.
65. Frage
Which of the following are the user roles of Power Partner?
Antwort: A,B,C,D,E,F
66. Frage
ECO mode is not recommended when the load is less than
Antwort: A
Begründung:
ECO mode is designed to improve UPS efficiency by supplying the load mainly through the static bypass path when the mains is within the acceptable quality window, while keeping the inverter synchronized and ready to take over quickly if power quality degrades. However, when the load is too light, the overall operating characteristics of the UPS system are less favorable for ECO operation. At low load levels, the benefits of ECO in reducing conversion losses are smaller, and the system becomes more sensitive to frequent transfers caused by minor mains fluctuations, which can and operational risk. In addition, very light loads can reduce the effectiveness increase transfer of system self-check behaviors and may lead to less stable operating margins for parallel systems, power modules, and downstream distribution, depending on site conditions. Therefore, Huawei O&M guidance sets a practical threshold and states that ECO mode is not recommended when the load is lower than 20%, helping ensure stable operation, fewer unnecessary transfers, and better overall power supply reliability for critical loads.
67. Frage
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