Review

1:Why is the topology of the network so important? Are the topology and the logical layout of a network the same thing?
2:Why are hierarchical networks built in "layers"?
3:Note the layer of the network in which each of these functions/services should be performed and why:

  • Summarize a set of destination networks so that other routers have less information to process.

  • Tag packets for quality of service processing.

  • Reduce overhead so that packets are switched as rapidly as possible.

  • Meter traffic.

  • Use a default route to reach internal destinations.

  • Control the traffic that is admitted into the network through packet level filtering.

  • Aggregate a number of smaller links into a single larger link.

  • Terminate a tunnel.

4:What two factors is speed of convergence ...

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