Choose the answer that best completes the following sentence. The CE device is typically configured with _________________.

A. A single routing protocol for exchanging routes with both the internal customer routers and with the PE
B. MP-BGP to exchange routes with the PE.
C. MPLS and a routing protocol for the exchange of labels and routes with the PE
D. MPLS for exchanging labels with other CE devices

E. A routing protocol for exchanging routes with the internal customer routers and a routing protocol for exchanging routes with the PE