What types of deduplication does the Huawei OceanStor integrated backup solution support? (Multiple choice)

• A.Global deduplication
• B.Parallel deduplication
• C.Source deduplication
• D.Target deduplication

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

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

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In CIFS file sharing, when the client adopts the SMB3.0 protocol, after a single connection channel fails, SMB3.0 Multichannel automatically uses other channels to continue to transmit data.

• A.False
• B.True

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Which of the following statements is true? (Multiple Choice)

• A.Asynchronous replication has no real distance limitation.
• B.Synchronous replication supports two secondary LUN's.
• C.Asynchronous replication can be configured to use real-time replication.
• D.Synchronous replication can impact performance of the primary LUN.

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Which of the following statements about metadata on Huawei OceanStor 9000 is false?

• A.Mirroring does not increase the metadata access rate.
• B.Huawei OceanStor 9000 stores metadata in mirrors.
• C.Metadata on each node is a complete and independent copy.
• D.Mirror storage aims to improve metadata security.

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