Regarding the networking of the Huawei Oceanstor 9000 system, which of the following description is correct?

• A.Only the storage node needs to be connected to the management network, other devices do not need to be connected to the management network
• B.The front-end business network switches can be stacked, but the back-end storage network switches are not recommended for stacking
• C.Whether it is a front-end business network or a back-end storage network, it is recommended to use two switches to connect all nodes to achieve redundancy
• D.To meet management requirements, only the first three nodes of the cluster need to be connected to the management network

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

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

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What are the customer values of the InfoEqualizer feature of Huawei Oceanstor 9000 (C30)? (Multiple choice)

• A.Allow the client to use the domain name to access Oceanstor 9000, the client operator does not need to know the specific IP address of each visit, which simplifies the management operation and reduces the management cost
• B.Oceanstor 9000g automatically senses failures and adjusts services to other normal nodes, thereby improving the reliability of client service access
• C.This feature is a basic feature, no need to purchase a license, saving costs
• D.Oceanstor 9000 can distribute requests to relatively idle nodes according to the current business load intelligent address of each node, thereby improving the access performance of the client

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Regarding the compression function of Huawei Distributed Information Block Service, which of the following statement is correct?

• A.Multiple compression algorithms can be selected in the same storage pool to improve compression speed and ratio
• B.The compression engine uses a combination of three different compression algorithms to run
• C.Only one compression algorithm can be selected in the same storage pool
• D.Modification of the storage pool compression algorithm will affect the compressed data

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In which scenario, Huawei OceanStor 9000 does not start load balancing?

• A.Disks are added.
• B.A disk goes offline three times within 10 minutes.
• C.A disk is about to fail.
• D.Nodes are added.

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