Huawei H20-923_V1.0 Valid Exam Answers Exam Pass at Your First Attempt | H20-923_V1.0: HCSP-Field-Data Center Facility V1.0

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Huawei H20-923_V1.0 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Introduction to Huawei DCIM Controller ECC800-Pro: This topic introduces the ECC800-Pro Data Center Infrastructure Management controller, covering its architecture, core functions, and role in monitoring and managing data center facility equipment.
Topic 2
  • SmartLi 3.0 (Short-Term Backup Power) Installation: This topic covers the installation procedures for the SmartLi 3.0 system, including hardware setup, cabling requirements, and commissioning steps.
Topic 3
  • Huawei DCIM Installation and Deployment Lab Guide: This topic is a guided hands-on section covering the step-by-step installation and initial deployment procedures for Huawei DCIM systems in a lab environment.
Topic 4
  • SmartLi 3.0 (Short-Term Backup Power) Maintenance Operations: This topic addresses the routine and corrective maintenance tasks for SmartLi 3.0, including battery management, fault handling, and health monitoring procedures.
Topic 5
  • Basic Knowledge of Power Distribution: This topic covers the fundamental concepts of power distribution within a data center, including electrical principles, distribution topologies, and key components such as switchgear and PDUs.
Topic 6
  • FusionCol8000-C (110-440) In-Room Chilled Water Smart Cooling Product: This topic covers the FusionCol8000-C chilled water in-room cooling unit, including its product design, chilled water system integration, smart control features, and deployment scenarios.
Topic 7
  • Introduction to Huawei Precision Air Conditioners: This topic introduces Huawei's precision air conditioning product line, covering unit types, operating principles, key components, and their role in maintaining optimal data center temperatures.
Topic 8
  • iManager NetEco 6000 Product Introduction: This topic covers the iManager NetEco 6000 platform, explaining its capabilities as a network and infrastructure management tool used within Huawei data center environments.
Topic 9
  • UPS Basic Knowledge: This topic introduces the foundational concepts of Uninterruptible Power Supply systems, including operating modes, topology types, and their role in ensuring power continuity for data center loads.
Topic 10
  • Huawei Other DCIM Tools: This topic explores additional Huawei Data Center Infrastructure Management tools beyond the ECC800-Pro and NetEco 6000, covering their functions and how they complement the overall DCIM ecosystem.
Topic 11
  • Huawei UPS5000H Lab Guide: This is a heavily weighted hands-on lab section covering practical installation, commissioning, parameter configuration, and maintenance operations for the UPS5000H in a field-simulated environment.
Topic 12
  • Huawei Data Center Facility Solutions: This topic provides an overview of Huawei's end-to-end data center facility portfolio, covering the key product lines and solution architectures used in modern data center environments.
Topic 13
  • SmartLi 3.0 (Short-Term Backup Power) Product Introduction: This topic introduces Huawei's SmartLi 3.0 lithium-based short-term backup power solution, covering its product architecture, key features, and application scenarios.

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Huawei HCSP-Field-Data Center Facility V1.0 Sample Questions (Q17-Q22):

NEW QUESTION # 17
Which cooling architecture is most associated with Huawei's row-based/in-row cooling solutions for high-density cabinets?

Answer: B

Explanation:
FusionCol represents Huawei's row/cabinet-level cooling solutions designed to bring cooling closer to high-density IT loads, improving cooling efficiency versus traditional room-level (CRAC) cooling for such scenarios.


NEW QUESTION # 18
When tightening the screws (M16x50 mm) for the output power cables of lithium battery cabinets, what torque should be used to tighten and verify the screws?

Answer: D

Explanation:
For Huawei SmartLi lithium battery cabinets, the output power cable termination uses high- current DC conductors, so the mechanical fastening torque is strictly specified to ensure both safety and long-term reliability. For M16x50 mm screws used on the +/N/- output cable terminals, the specified tightening/verification torque is 120 N*m. This torque requirement is defined to achieve the correct clamping force between the DT terminal lug and the cabinet busbar/terminal surface. If the torque is below the requirement, contact resistance increases, which can lead to abnormal heating during charge/discharge, voltage drop, alarm events, and accelerated oxidation at the joint. If the torque is excessive, it can damage threads, deform the lug or busbar contact area, and introduce hidden mechanical stress that may loosen over thermal cycles. During commissioning and routine maintenance, technicians use a calibrated torque wrench to tighten and then re-verify each connection to the specified value to prevent hotspots and ensure stable operation under peak current conditions.


NEW QUESTION # 19
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: A

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 # 20
Which of the following statements are true about the routine maintenance of a UPS?

Answer: A,C,D

Explanation:
Routine UPS maintenance is preventive by design, so it must cover bothenvironmental conditionsandequipment operating status, not only alarms. The equipment room environment directly affects UPS reliability: high temperature accelerates capacitor aging, reduces battery/rectifier reliability, and may trigger derating; improper humidity increases the risk of condensation or electrostatic discharge; dust and poor housekeeping raise the risk of blocked airflow and overheating. Therefore, theenvironment checkin option A is a standard routine item. Option B is also essential because O&M personnel must confirm the UPS is innormal operating mode, verify no hidden alarms exist in the event log, and ensure the load level is within the recommended range to maintain redundancy and efficiency. Option C is true because fans are typical
"wear-out" components; abnormal noise or speed changes often appear before a failure and can be detected early through inspection. Option D is false: absence of a front-panel alarm never replaces onsite environmental inspection and basic preventive checks.


NEW QUESTION # 21
Video management can connect to the third-party video surveillance subsystem and play historical videos.

Answer: A

Explanation:
In Huawei's data center O&M architecture, video is treated as an important auxiliary capability for security and remote operation. TheVideo Managementfunction 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 athird-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 andplay back historical videofor event tracing, audit, and incident investigation. This supports closed-loop O&M: alarm/event occurs # video verification # root-cause confirmation # maintenance action # evidence retention.


NEW QUESTION # 22
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