Compare and contrast the protocol field at the network layer with the port numbers at the transport
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Compare and contrast the protocol field at the network layer with the port numbers at the transport layer. What is their common purpose? Why do we need two port-number fields but only one protocol field? Why is the size of the protocol field only half the size of each port number?
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The protocol field and the port numbers both have the same functionality multiplexing an...View the full answer
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