Which three methods can be used to reduce the full-mesh IBGP requirement in a service
provider core network? (Choose three.)

A.
Implement route reflectors

B.
Enable multi-protocol BGP sessions between all the PE routers

C.
Implement confederations

D.
Implement MPLS (LDP) in the core network on all the PE and P routers

E.
Enable BGP synchronization

F.
Disable the IBGP split-horizon rule