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To model a WAN, we need a graph in which the nodes model switches and the edges model direct join between switches. The modeling saves essence of network, and it ignores attached devices as given in the figure below. Modeling of a specific WAN is described.
ROUTE COMPUTATION WITH A GRAPH:
We can show routing table with edges as given in the figure below:
The graph algorithms can be used to find routes.
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Explain the cost of a path between two nodes Given a network of nodes linked by bidirectional links, where every link has a cost associated with it in each direction, explain t
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ICMP is used to send error and control messages. Ping uses ICMP to carry the echo-request and echo-reply.
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Can you define the method of demilitarized zone?
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