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4. (a) A PC is browsing a website on a server. The TCP window size is 4000 Bytes. The server is sending the website information

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4. (a) A PC is browsing a website on a server. The TCP window size is 4000 Bytes. The server is sending the website information using 1000-Byte segments. How many segments will the server send before it requires an acknowledgment from the PC? Explain what will happen if one of the segments is lost due to congestion in the network? (10 marks) (b) Describe why an application developer might choose to run an application over UDP rather than TCP. (10 marks)

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