Which of the following image formats are supported for KVM images registered on FusionSphere OpenStack OM? (Multiple choice)

• A.iso
• B.vhd
• C.qcow2
• D.raw

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When using the Rainbow migration tool, if the migration is interrupted due to a network failure, the online file migration supports resuming the upload while the block migration does not.

• A.False
• B.True

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The DVS port group in FusionCompute is a virtual logical port, similar to a network attribute template, used to define how the attributes of the virtual machine network card are connected to the network through the distributed switch. Different port groups need to be set with different VLAN IDs to distinguish them.

• A.TRUE
• B.FALSE

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The cloud server backup CSBS service in FusionCloud can backup not only the ECS of the elastic cloud server, but also the BMS of the bare metal server.

• A.True
• B.False

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FusionStorage Block alarm prompt. "VBS failed to load metadata", which of the following options are possible causes? (Multiple choice)

• A.The communication between the main VBS process and the OSD process is abnormal
• B.MDC process exception
• C.0SD process exception
• D.Main VBS internal error

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