Câu 4: 4A0-C03: Nokia NRS II Composite: IS-IS version

A router running a link-state routing protocol detects that one of its neighbors is no longer connected to it. The router generates a new link-state advertisement to inform other routers of the topology change. Which of the following is NOT an action that is triggered by this event?

1. A. If a router receives the new link-state advertisement, it acknowledges it, stores it, and forwards it to its own neighbors.
2. B. If a router receives multiple copies of the new link-state advertisement, it will simply ignore all copies received after the first one.
3. C. Every router that receives the new link-state advertisement updates its age field before forwarding it. — đáp án hiện tại
4. D. Every router that receives the new link-state advertisement runs the SPF algorithm to recalculate its shortest-path tree and its forwarding database.