Which description is true about how remote IP fast Reroute addresses failures in the ring topologies?

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

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Answer: C