Regarding the the characteristics and the related concepts of Huawei Oceanstor 9000lnfoTier, which of the following statement is incorrect?

• A.InfoTier features correspond to different file pool strategies through different levels
• B.The number of nodes in the node pool is limited, including at least 3 nodes and at most 20 nodes
• C.The node types in the node pool do not have to be the same
• D.The hard disks of all nodes in the node pool are of the same type

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A Huawei Oceanstor 9000 cluster site is configured with 4 P36 nodes and adopts back-end IB networking. How many back-end storage network IP addresses should be planned regardless of temporary circumstances?

• A.24
• B.16
• C.4
• D.8

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A WORM file system cannot be deleted: (Multiple Choice)

• A.If the WORM filesystem is not expired
• B.If any files are still under protection
• C.If any files are still locked
• D.If the WORM file-tern is locked

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A company purchased a set of Huawei distributed storage and used QoS flow control technology to control the user's I/O when deploying block services. Which mechanism can be used to manage the I/O queue?

• A.Object bucket
• B.Data bucket
• C.Token bucket
• D.File bucket

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A customer has plans to store a large number of files in a directory of Huawei Oceanstor 9000. Most of these files are between 64-128K in size. In order to improve disk utilization and read/write performance, how big should be the strip of files in the file directory?

• A.128K
• B.32K
• C.64K
• D.16K

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