Questions about IP:
1. What two basic functions does ?
2. What four key mechanisms does IP use to provide its service?
3. Via what protocol does ?
4. In the IP header, what is the for?
5. A number of bits within the IP header are designated reserved or optional; why would these be important in network security?
Questions about TCP:
1. What is the difference between a socket and a connection?
2. What are the five calls the TCP/user interface provides for?
3. What is a ?
4. Describe the .
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