Which of the following statements about the characteristics of Huawei's horizontally extended file storage NFS business are correct? (Multiple choice)

• A.Compatible with multiple operating systems and can realize file resource sharing in a heterogeneous network environment.
• B.Load balancing can be realized according to business and node status, and data access is evenly distributed in the cluster.
• C.After a 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.

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Which services are affected when we restart a dual controller storage device?

• A.Only services configured to use both controllers.
• B.All services on the storage device.
• C.No services are affected.
• D.Only services not configured to use either controller.

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Which of the following operations performed in a file system does not require quota check?

• A.Deleting files
• B.Modifying files
• C.Adding files
• D.Viewing or accessing files

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Under what conditions can SmartMigration relocate all services from the source LUN to the target LUN? (Multiple Choice)

• A.The target LUN is not smaller than the source LUN.
• B.The target LUN has no value-added services.
• C.The target LUN is not mapped to any host.
• D.The source and target LUNS belong to the same controller.

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The built-in script of the disaster recovery management software OceanStor BCManagereReplication supports one-click failure recovery for Oracle and SQL Server applications. Which of the following steps is not included in the one-click failure recovery?

• A.The test application starts successfully
• B.Forcibly switch the replication relationship
• C.Map LUN
• D.Start the disaster recovery application

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