When configuring Internet access using a separate MPLS VPN, which three statements are correct? (Choose three.)

A.
The Internet backbone is separate from the MPLS VPN backbone.

B.
Two dedicated physical or logical links between the PE and the CE routers are required.

C.
An Internet gateway is connected as a CE router to the MPLS VPN backbone.

D.
An Internet gateway shall insert full Internet routing into the Internet VPN to achieve optimal routing.

E.
The customer’s Internet access is enabled by combining the Internet VPN with the Customer VPN using overlapping VPN topology.