Answer the following problems.
problem 1) Describe the use of multiplexing in transport protocols. describe the credit scheme used by TCP for flow control.
problem 2) What is DNS source record, give a short explanation of DNS operation?
problem 3) What is meaning of Error control and its types? Describe in detail.
problem 4) What is the purpose of Socket interface, describe various types of sockets?
problem 5) What is FDDI. Describe its working and applications?
problem 6) What is difference between error detection and error correction? What is the purpose of using modulo 2 Arithmetic rather than binary arithmetic in computing an FCS?
problem 7) Describe the difference between message switching and frame relay. What is OSI model briefly describe the TCP/IP protocols models?
problem 8) prepare a brief note on:
b) ARP and RARP protocols.
c) Difference between Characters oriented and Bit oriented protocols.