In terms of configuring active/passive disaster recovery, which condition the LUNs on the primary and secondary storage systems must meet?

• A.A secondary LUN must have the same size and RAID level as the primary LUN.
• B.The secondary LUN only needs to have the same size as the primary LUN.
• C.A secondary LUN must have a larger size than or the same size as the primary LUN.
• D.The secondary storage system must be equipped with the same types of disks as the primary storage system, and a secondary LUN must have a larger size than or the same size as the primary LUN.

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Which statement is correct about source deduplication and destination deduplication? (Multiple choice)

• A.Source-side deduplication first performs hash comparison on the transmitted data block at the source-side. If the data block has been previously transmitted, only the hash index value needs to be transmitted.
• B.Deduplication at the target end can save bandwidth resources without occupying source end resources.
• C.Source end deduplication, occupying source end resources, can save bandwidth resources.
• D.Compared with the post-processing method, the data transmission performance of the target-side deduplication online processing method is better.

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Which of the following options belong to the rules for FusionStorage software deployment? (Multiple choice)

• A.FusionStorage block, file, and object storage services are all deployed on their own physical nodes and cannot be mixed.
• B.When FusionStorage File/FusionStorageObject is provided, the first two nodes in the cluster serve as management nodes.
• C.DSS and OMS are components that must be deployed. Choose to deploy FusionStorage block, file, and object services as needed.
• D.DSS and OMS are recommended to be deployed to virtual machines on different physical nodes. DSS needs to deploy 3 units, and OMS only needs to deploy 1 unit.

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Which types of nodes are supported by Huawei OceanStor 9000? (Multiple Choice)

• A.C72
• B.C36
• C.P36
• D.P25
• E.P12

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Large e-commerce company A purchased Huawei's hyper-converged storage products to build a private cloud. Which of the following options reflects the advantages of this product? (Multiple choice)

• A.The self-service delivery process enables users to quickly obtain the resources they need
• B.Unified service catalog
• C.Unified management of physical resources and virtual resources, support for unified management of heterogeneous virtualization
• D.Unified presentation of management information such as alarms, topology, performance, reports, etc. of various cloud service resource pools

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