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| Certification Vendor: | Huawei |
|---|---|
| Exam Name: | HCSP-Field-Data Center Facility V1.0 |
| Exam Number: | H20-923_V1.0 |
| Certificate Validity Period: | 3 years |
| Available Languages: | English |
| Related Certifications: | HCSP-Field-Data Center Facility (Power) V1.0 HCSP-Field-Data Center Facility (Modular DC) V1.0 |
| Exam Format: | Multiple-answer questions, Single-answer questions, True/False questions |
| Passing Score: | 600 out of 1000 |
| Real Exam Qty: | 60 |
| Exam Price: | 100 USD |
| Exam Duration: | 90 minutes |
| Recommended Training: | Huawei Official Training |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Huawei H20-923_V1.0 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | Basic knowledge of data center infrastructure, power and cooling systems; recommended to have HCIA-Data Center Facility certification or equivalent experience |
| Official Syllabus URL: | https://e.huawei.com/en/talent/cert/#/specialistCert |
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NEW QUESTION # 59
The default address of the WAN1 port on the ECC800-Pro is
Answer: D
Explanation:
In Huawei smart module commissioning, the ECC800-Pro controller provides a dedicated management access path through its WAN ports. For on-site startup commissioning, technicians typically connect a laptop directly toWAN1and place the laptop IP address in the same subnet as the controller so they can open the WebUI and complete initial settings (time, network, device discovery, alarm checks, linkage tests, and parameter commissioning). Thefactory default IP address for WAN1 is 192.168.8.10, which is used as the initial access point before the address is planned and changed to match the customer's management network. This default design supports quick "point-to-point" commissioning without depending on upstream switches, DHCP services, or enterprise IP planning at the very beginning of deployment. After login, Huawei commissioning practice is to harden access (password/authentication completion), then update network parameters and integrate the ECC800-Pro into the site monitoring network to enable continuous O&M, remote alarm reporting, and device management.
NEW QUESTION # 60
Which layout principle best aligns with Huawei data center facility design for improving cooling efficiency and reducing mixing of hot and cold air?
Answer: B
Explanation:
Huawei data center facility design emphasizes controlling airflow paths to raise cooling efficiency and stabilize IT inlet temperatures. The hot aisle/cold aisle layout creates a predictable airflow direction:
cold air is supplied to the front of IT racks (cold aisle), while hot exhaust air is isolated and returned to the cooling system (hot aisle). When aisle containment is added, it prevents hot and cold air from mixing, which directly improves cooling utilization, reduces overcooling demand, and lowers fan energy. This layout also supports more accurate temperature control, enabling higher supply air temperatures while still meeting server inlet requirements-an important lever for improving overall energy efficiency. Huawei modular and smart module concepts commonly standardize rack alignment, containment components, and sensor-based monitoring so the airflow system remains consistent as capacity scales. Compared with random rack placement or uncontrolled airflow, containment-based hot
/cold aisle planning delivers measurable operational stability, simpler troubleshooting, and better conditions for capacity expansion without redesigning the entire cooling path.
NEW QUESTION # 61
What does a red SPD (Surge Protective Device) indicator signify?
Answer: C
Explanation:
A red indicator means the internal protection component has degraded or disconnected after absorbing surge energy, and the SPD can no longer provide rated protection, leaving downstream loads exposed to surge risk. Immediate replacement following safe isolation procedures is required.
NEW QUESTION # 62
Which of the following are main components of Huawei indirect evaporative cooling system?
Answer: A,B,C,E,F
Explanation:
Huawei's indirect evaporative cooling system is designed to use theoutdoor air as a "free" cold sourcewhile keeping the data hall supply air isolated from outdoor contaminants and moisture. Its core is theheat exchanger, where heat from the indoor (return) air side is transferred to the outdoor working air side without mixing the two air streams. To enhance heat removal on the outdoor side, aspray systemwets the evaporation media or spray section, and awater pumpcirculates water to maintain uniform wetting and stable evaporation performance.Fansdrive airflow through the indoor and outdoor paths to ensure sufficient heat transfer and maintain the required air volume and pressure. Because outdoor air is involved on the working-air side,air filtersare required to reduce dust and protect the heat exchanger and internal airflow channels, improving reliability and reducing maintenance. Acompressoris not a main component of indirect evaporative cooling because the system primarily relies on evaporation and heat exchange rather than mechanical refrigeration.
NEW QUESTION # 63
Which of the following statements are true about the industry trend of the data center cooling systems?
Answer: A,C,D
Explanation:
As data center power density increases (especially driven by AI and high-performance computing), the industry trend is to adoptliquid coolingin high-density scenarios because liquid has much higher heat transfer capability than air, enabling stable cooling where rack power is very high. This makes statementAtrue. The combination ofCloud + AIpushes operators to reduce PUE and total energy cost through more intelligent control, higher efficiency cooling architectures, and integrated energy management, so statementBis also true.
For large data centers, another clear trend is increasingchilled-water supply/return temperatures(higher inlet and outlet temperatures). Warmer water improves chiller efficiency, expands the number of hours that free cooling can be used, and reduces compressor work, soDis true. However,evaporative coolingis not universally the "main solution" for large data centers because it is climate- and water-condition dependent and is typically deployed as one option among multiple architectures rather than the dominant default everywhere. Therefore, Cis the incorrect statement.
NEW QUESTION # 64
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