Which of the following statements about splitting a remote replication is true?

• A.After being split on the primary storage system, a remote replication must be split manually on the secondary storage system too.
• B.A remote replication can be split only on the secondary storage system.
• C.A remote replication can be split only on the primary storage system.
• D.A remote replication can be split on the primary storage system or the secondary storage system.

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What are the storage maintenance principles of OceanStor backup solution? (Multiple Choice)

• A.Ensure that indicators on controller enclosures, disk enclosures, controllers, and expansion modules work correctly
• B.Ensure that storage system performance is normal
• C.Ensure that cables are correctly connected
• D.Prevent firewall faults by ensuring that default Simpana at least uses ports 8400 to 8402

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During the processing of Huawei's distributed big data service IO stack, the computing component sends a request to the DataNode module through the hdfs client, and returns file metadata information.

• A.False
• B.True

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In the 2U enclosure models there is a separate BBU installed.

• A.FALSE
• B.TRUE

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Which of the following descriptions are correct about the CIFS protocol? (Multiple choice)

• A.Data transmission based on UDP protocol
• B.Linux platform file sharing agreement
• C.Windows platform file sharing agreement
• D.Data transmission based on TCP protocol

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