What are the advantages of Huawei’s scale-out file storage over traditional NAS storage systems? (Multiple choice)

What are the advantages of Huawei’s scale-out file storage over traditional NAS storage systems? (Multiple choice)
A . Fast failover, the failure of a single node in the cluster does not affect the business
B . Multi-node cluster, load balancing, global cache, provide strong performance
C . The engine cluster is followed by SAN storage, and the SAN storage can be heterogeneous storage
D . Scalable scale-out engine architecture

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Answer: ABD