Huawei storage products use HyperMetro as the basis to provide data center active-active solutions. By classifying services, some services are based on data center A, data center B is hot standby, and some businesses are based on data center B, Data center B is hot standby to achieve the effect of active-active.

• A.True
• B.False

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After the file system snapshot is successfully created, if the file system user wants to access the snapshot, he needs to remount the snapshot directory to access it.

• A.True
• B.False

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Which of the following statements are correct about the business characteristics of Huawei Oceanstor 9000NFS? (Multiple choice)

• A.Load balance can be realized according to business and node status, and data access is evenly distributed in the cluster
• B.Compatible with multiple operating systems, can realize file resource sharing in a heterogeneous network environment
• C.After the node fails, the client business connected to this node is quickly switched to other nodes to take over, and the business is not interrupted
• D.Provide shared services externally in a cluster mode, and nodes can monitor each other's service status
• E.Oceanstor 9000 supports NFSv3 and v4 protocols

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The parameters to be considered when configuring the backup data retention strategy include the policy selection retention period, retention cycle, and the number of write streams.

• A.True
• B.False

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Highway reconstruction project A adopts Huawei's LightDC ROBO branch solution of hyper-converged storage. Which of the following reflect the advantages of this solution? (Multiple choice)

• A.Rapid deployment
• B.Quick release of business
• C.Unified monitoring and management
• D.Highly integrated, saving space

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