Question

What is the correct sequence of a link state protocol's performance when it receives an update?

1. Form a tree with itself as the root.

3. Install the network in the routing table.

The correct answer is d. When a link state protocol receives an LSP, it first sends the LSP to other routers, then it forms a database entry, runs SPF, forms a tree with itself as the root, and finally installs the network in the routing table. Hence, the correct sequence is 2, 5, 4, 1, 3. Answers a, b, c, and e are incorrect, because they reflect incorrect link state protocol sequences.

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