Question: 2. Explain how a network connection is established between a user and a server over the Internet using the TCP protocol. [5] 3. Both the

2. Explain how a network connection is established between a user and a server over the Internet using the TCP protocol. [5] 3. Both the TCP and UDP protocols use port numbers. What are these port numbers used for and what is meant by the term well-known port? Give an example of a well-known port. [6] 4. For each of the following three applications, state whether you would use TCP or UDP [2x3= 6 marks) 4.2 File transfer 4.3 Video streaming 4.4 An audio conference

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