Which of the following description of the virtual machine hot migration of FusionCompute is correct?

• A.The virtual machine configured with iCache can be hot migrated.
• B.FusionCompute only supports virtual machine hot migration based on shared storage.
• C.Does not support full migration of virtual machines that have mounted "shared" type disks
• D.The source host and the target host's CPU are incompatible. After the IMC mode is enabled in the cluster, the virtual machine migration will fail.

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Which of the following roles' services are used master/standby deployment in FusionSphere OpenStack control cluster? (Multiple choice)

• A.GaussDB
• B.ZooKeeper
• C.MongoDB
• D.RabbitMQ

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For the Swift project in FusionSphere OpenStack, which of the following are its features? (Multiple choice)

• A.Stateless access control node, handling massive user requests
• B.Data synchronization and access across multiple sites
• C.Large scale linear expansion
• D.High cost

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In an all-memory desktop cloud solution that uses shared data storage, when an administrator creates a virtual machine, each business host loads the template into the local memory generation system parent volume and combines the system parent volume to complete the distribution of virtual machines.

• A.False
• B.True

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After users log in to the FusionAccess cloud desktop using TC, they find that they can not use a USB storage device. Which of the following methods can be used to quickly identify the fault location?

• A.Re-install the driver for the VM, in the VM Device Manager, check to see if there is a USB storage device inserted.
• B.Check whether there are devices in the WI Floating Window Setup Bar, to determine if this is a TC-side or VM-side problem.
• C.Reconnect the USB storage device.
• D.Install the driver on the TC side, and then check that the USB storage device is working properly.

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