In FusionCompute, what is the correct connection relationship of virtual network interfaces?

During the process of distributing virtual desktops in FusionAccess, which of the following components will check whether the specified virtual group and desktop group exist?

In Huawei Fusionsphere Openstack, which of the following services needs to interact with all other services?

Which of the following steps are included in the Huawei Desktop Cloud virtual machine provisioning process? (Multiple choice)

The essence of backup is the "copy" of stored data for the purpose of data recovery after an accident occurs.