Your MPLS implementation is currently using internal backdoor links. What can you do to minimize the
impact of having these links?

A.
use BGP as the CE-PE routing protocol

B.
use OSPF as the CE-PE routing protocol

C.
use EIGRP as the CE-PE routing protocol

D.
use the SP to redistribute routes as external routes for OSPF and EIGRP

E.
use route redistribution at each location to ensure external routes are imported into the IGP