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Huawei H20-923_V1.0 Exam - Topic 7 Question 4 Discussion

Actual exam question for Huawei's H20-923_V1.0 exam
Question #: 4
Topic #: 7
[All H20-923_V1.0 Questions]

Which strategy most directly improves data center energy performance without compromising reliability when properly engineered and monitored?

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Suggested Answer: B

Huawei green data center concepts focus on reducing energy consumption through engineering controls rather than sacrificing resilience. Raising the allowable supply air temperature is a proven efficiency lever because it reduces compressor workload, expands economization opportunities where applicable, and can reduce fan energy when airflow is optimized. However, it must be implemented with airflow management---especially hot/cold aisle containment---to ensure server inlet temperatures remain within safe limits. Adaptive control is critical: monitoring rack inlet temperatures, cooling unit performance, and environmental conditions allows the system to dynamically adjust cooling output, fan speed, and setpoints to match real IT load. This avoids the common inefficiency of ''overcooling for safety.'' When combined with standardized O&M procedures, alarm thresholds, and continuous trend analysis, the strategy improves overall energy performance while preserving reliability and service continuity. In contrast, permanent oversizing or forcing all redundant systems to run fully loaded wastes energy and can reduce operating efficiency. Properly engineered, monitored optimization delivers efficiency gains with controlled operational risk.


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Charisse
15 days ago
Surprised that people still consider A, it’s so outdated!
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Carey
20 days ago
I disagree, oversizing equipment just leads to waste.
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Lera
25 days ago
B is definitely the way to go for energy efficiency!
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Haydee
1 month ago
Not sure about B, sounds risky with reliability concerns.
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Kent
1 month ago
B makes sense, higher temps can really cut down on energy use.
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Dominga
1 month ago
Surprised that people still consider A, it’s so inefficient!
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Alaine
2 months ago
I disagree, oversizing equipment just leads to waste.
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Isreal
2 months ago
B is definitely the way to go for energy savings!
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Laquanda
2 months ago
Operating all redundant systems at full load, as in option D, seems counterintuitive. I think we learned that could actually waste energy instead of improving performance.
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Meaghan
2 months ago
I feel like we discussed the importance of alarms in class. Disabling them, like in option C, seems risky for reliability.
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Nana
2 months ago
I'm not entirely sure, but I remember something about oversizing equipment can lead to inefficiencies. So, A might not be the best choice.
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Lindsey
2 months ago
I think option B sounds familiar from our last practice exam. Higher supply air temperatures with containment could really help with energy efficiency.
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