Which of the following are the three levels of high reliability provided by Huawei's Xinghe Intelligent Ultra-Resilient Multi-DC Network Solution? (Select all that Apply)
A.
Device-level high reliability with zero data loss
B.
High O&M reliability with hour-level fault locating
C.
Network-level high reliability with zero impact on services
D.
Link-level high reliability with zero traffic interruption
Huawei'sXinghe Multi-DC Network Solutionprovidesthree levels of ultra-high reliability:
A. Device-level high reliability: Achieves zero data loss through component redundancy
C. Network-level high reliability: Ensures no service disruption even during faults or upgrades
D. Link-level high reliability: Uses intelligent rerouting to prevent traffic interruption
B. High O&M reliability with hour-level fault locatingis not listed as a core reliability tier; Huawei emphasizesminute-level AI-driven fault detectioninstead.
[Reference:, HCSA-IP Network V4.0 Study Guide — Chapter 7: Huawei Data Center Network Products and Solutions, Huawei Xinghe Multi-DC Architecture White Paper, ]
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