Multiple choice

What action does a link-state take immediately upon receipt of an LSP from a neighboring router?

  1. floods the LSP to neighbors

  2. calculates the SPF algorithm

  3. runs the Bellman-Ford algorithm

  4. computes the best path to the destination network
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A Correct answer
Explanation

When a link-state router receives a Link State Packet (LSP) from a neighbor, it immediately floods this LSP to all its other neighbors (except the one it received it from). This flooding ensures all routers quickly receive the same topology information. SPF calculation happens later, after the LSP is processed and added to the LSDB.

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