In the Huawei dual-active disaster recovery solution, the peak write bandwidth of an application needs 10MB/s, the average write bandwidth needs 200KB/s, the average write I/O volume is 4KB, and the bandwidth utilization rate is 70%. So how much bandwidth does the application need to deploy synchronous remote replication?

• A.2.23MB/s
• B.10MB/s
• C.200KB/s
• D.114.3Mbit/s

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Which of the following File System Protocols are available in the OceanStor V3 devices? (Multiple Choice)

• A.CIS
• B.Apple Talk
• C.NFS
• D.FTP

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In the Huawei disaster recovery solution, at which levels can data replication be performed? (Multiple choices)

• A.Copy based on the file system layer
• B.Based on storage layer replication
• C.Based on network layer replication
• D.Host-based replication

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Which one of the following descriptions of the physical division of Oceanstor 9000 is wrong?

• A.The administrator must add at least 2 storage nodes to a sub-domain.
• B.Oceanstor 9000 achieves physical domain division through node pools and hierarchical methods
• C.Physical zone division is an effective means to isolate faults
• D.The failure of some nodes will reduce the reliability level of data on other nodes in a physical domain with these nodes.

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Which software module is not included in the OceanStor 9000 product?

• A.WushanSQL
• B.OceanStor DFS
• C.VCS
• D.Fusionlnsight Hadoop

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