The FusionCompute host fails to add data storage. Which of the following are possible causes of the failure? (Multiple choice)

• A.The host cannot access the storage
• B.When a LUN is added as a virtualized data storage for the first time, format is not selected
• C.Host management network exception
• D.The data storage mount directory is occupied

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Regarding the operation of adding virtual machines, which of the following descriptions is incorrect?

• A.After the virtual machine is created, you need to assign the virtual machine to the desktop group so that users can use the virtual machine.
• B.When adding a virtual machine to a complete copy virtual machine group, you can adjust the parameters of the virtual machine, while the linked clone virtual machine group can only add virtual machines with the same parameters as the original virtual machine.
• C.First of all, you need to add a virtual machine to the planned unit to create a virtual machine.
• D.When assigning a virtual machine, you do not need to configure the user and permission information of the virtual machine.

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In storage virtualization, all user storage is presented in the form of files, and virtual machine disks, snapshots, and virtual machine configurations all correspond to an independent file.

• A.FALSE
• B.TRUE

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(multiple choice) in useRainbowWhen migrating, aboutWindowsDescription of online file-level migration methods, which of the following are correct?

• A.relatively slow
• B.speed
• C.The partition structure must be consistent with the source
• D.Supports partition resizing

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The centralized alarm on the ManageOne operation and maintenance plane can centralize the alarm of the theft control system service or third-party system, Centralized alarms provide a unified alarm model, third-party systems can develop their own drivers, and provide The provided interface reports alarms to realize unified management of alarms. The following describes the logical structure of centralized alarms.
Which is wrong?

• A.Cloud services are monitored through service monitoring Agent or Service OM / FusionInsight Manager and other systems The system collects cloud service alarms and reports them to the ManageOne operation and maintenance plane.
• B.Physical devices, resource pools and cloud services can all be accessed directly through the AP interface provided by ManageOne. Report the alarm to the ManageOne operation and maintenance plane.
• C.The physical device collects alarms of server devices, storage devices, and network devices through eSight, and reports them Go to the ManageOne operation and maintenance plane.
• D.The resource pool collects computing resource pools, storage resource pools and network resources through FusionSphere OpenStack.
  Source pool alarms are reported to the ManageOne O&M plane.

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