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Q. Explain about different connection services in transport layer with suitable diagram
Q. What is the key difference between Go Back N-ARQ and Selective Repeat ARQ?
Q. Describe how a TCP connection is terminated.
Q. Why is a connection establishment for mail transfer needed if TCP has already established a connection?
Q. Tell the maximum send and receive window size for Go-Back-NARQ and Selective-Repeat ARQ while using five bit sequence numbers.
Q. When closing a TCP connection, why is the two-segment-lifetime timeout not necessary on the transition from LAST ACK to CLOSED?
Q. Explain why FTP does not have a message format.
Q. Give short answers of the following questions:
1. In electronic mail, what is MIME?
2. What is the purpose of FTP?
3. Why was there a need for DDNS?