What are two functions of MPLS Layer 3 VPNs? (Choose two)

What are two functions of MPLS Layer 3 VPNs? (Choose two)
A . BGP is used for signaling customer VPNv4 routes between PE nodes.
B . It is used for transparent point-to-multipoint connectivity between Ethernet links/sites.
C . LDP and BGP can be used for Pseudowire signaling.
D . A packet with node segment ID is forwarded along with shortest path to destination.
E . Customer traffic is encapsulated in a VPN label when it is forwarded in MPLS network.

Answer: A E