[Single Choice] Which of the following descriptions about the complete copying of the desktop is...

The complete replication of desktops is based on virtual machine-level isolation, with high security

When creating a complete copy of a virtual desktop, the system will assign an independent system disk to the virtual desktop

space, and copy the virtual machine template completely to the system disk

The complete replication virtual desktop has a separate system disk and user data disk

Use virtualization technology and remote desktop delivery technology to fully replicate desktops, and use virtual

Virtualization technology to virtualize servers and storage into elastic virtual hosts