How Can Shared Services in an MPLS Layer 3 VPN

Multiple Choice

How can shared services in an MPLS Layer 3 VPN provide Internet access to the Customers of a central service provider?

A) Static routes on CE routers allow route leakage from a PE global routing table.
B) The CE router can establish a BGP peering to a PE router and use the PE device to reach the Internet.
C) The customer VRF uses route targets to import and export routes to and from a shared services VRF.
D) Route distinguishers are used to identify the routes that CEs can use to reach the Internet.