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Question 1: A host is sending a file from a PC using FTP. Explain the process the PC undertakes, between the time the application begins sending the file and the electrical signals leave the 100BaseT interface card. Make sure to clearly discuss what happens at each layer of the TCP/IP Model described in the textbook.
Question 2: Calculate the approximate bit rate and signal level(s) for a 7 MHz bandwidth system with a signal to noise ratio of 163?
Question 3: Which transport layer protocols do File Transfer Protocol (FTP) and Domain Name System (DNS) use? Give reasons why each one is used.