Which description is true about how remote IP fast Reroute addresses failure in the ring topologies?
A. Routers establish an MPLS TE tunnel with all PQ nodes in the ring.
B. Routers establish an MPLS TE tunnel with both ring edge routers.
C. Routers establish a GRE tunnel with the furthest PQ node in the ring.
D. Routers establish a targeted LDP session with the furthest router that is in a PQ space. It requires an equal cost path.
E. Routers establish a targeted LDP session with the closest router that is in a PQ space.
F. Router establish a GRE tunnel with the closest PQ node in the ring.
