For web-based virtualization technology, what are the following statements correct? (Multiple Choice)

For web-based virtualization technology, what are the following statements correct? (Multiple Choice)
A . Channels connecting different VPCs
B . VPN system using endpoint to endpoint
C . Divide multiple domains on top of a high-end VPN device, each domain acting as a separate VPN
D . VPN devices cannot be virtualized

Answer: ABC