When FusionCompute enables memory reuse, virtual machine hot migration is performed. If part of the memory data of the virtual machine is in the swap space, the migration time will be longer.

Which of the following storage descriptions are correct:

Provides an interface for back-end storage devices, and different fast-device service vendors provide drivers to convert Open operations into storage.

After FusionCompute sets A resource reservation, when the cluster resources are extremely tight, the reserved resources will be preferentially allocated to virtual machines to ensure normal business operation.

What types of Huawei desktop cloud user licenses are included? (Multiple choice)