Which two are characteristics of using a non-MPLS peer-to-peer model over a traditional overlay model? (Choose two.)

Which two are characteristics of using a non-MPLS peer-to-peer model over a traditional overlay model? (Choose two.)
A . The model is suited for nonredundant configurations.
B . The configuration on a newly added site PE is updated automatically.
C . Provider routers know the customer network topology.
D . The customer specifies the exact site-to-site traffic profile.
E . Routing information is exchanged between the customer router and one or a few PEs.

Answer: C,E

Explanation:

Reference: http://etutorials.org/Networking/MPLS+VPN+Architectures/Part+2+MPLS-based+Virtual+Private+Networks/Chapter+7.+Virtual+Private+Network+VPN+Implementation+Options/Overlay+and+Peer-to-peer+VPN+Model/