Câu 15: 4A0-116: Nokia Segment Routing

An SR-TE LSP with a path definition that includes router R4 as a loose hop and for which Seamless-BFD has been enabled is following the path shown in the exhibit. What happens after router R4 fails if the routers along the path follow the default behavior?

1. A. The head end will periodically try to calculate a new path at a rate defined by the retry timer.
2. B. The head end will periodically try to calculate a new path at a rate defined by the resignal timer.
3. C. The head end will continue forwarding traffic to the current next-hop indefinitely, which will be discarded at the point of failure. — đáp án hiện tại
4. D. The head end will continue forwarding traffic to the current next-hop indefinitely, and R2 will redirect the traffic to R3 after IGP reconvergence.