Mr Zhang designed a disaster recovery system for the FusionSphere server virtualization platform for Company A, but Company A hopes to further reduce the RPO based on this solution. What optimization can Mr Zhang do for the existing solution? (Multiple choice)

• A.Hire higher bandwidth when initial data synchronization
• B.Change BCManagere Replication based on storage remote replication disaster recovery to host-based remote replication disaster recovery solution
• C.Change BCManagere Replication based on host remote replication disaster recovery scheme to storage remote replication disaster recovery
• D.Add links and configure load sharing between the active and standby sites.

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Which of the following descriptions are correct about Windows online file-level migration when using Rainbow migration? (Multiple Choice)

• A.Fast speed
• B.The partition structure must be consistent with the source end
• C.speed relatively slow
• D.Support partition size adjustment

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When the FusionSphere OpenStack OM creates specifications, if virtual machine large page memory is set, NUMA affinity is enabled by default.

• A.FALSE
• B.TRUE

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FusionAccess desktop management components, including HDC, ITA, GaussDB, TCM, etc., thereinto, the ITA is responsible for desktop access control.

• A.True
• B.False

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In Huawei FusionSphere solutions, open the HA function, you need to firstly configure the shared storage.

• A.False
• B.True

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