EC 4th sem data communication and networking important questions

1. Compare LAN WAN and man. 
2. Differentiate between ring and bus topology.
3.  Explain connection oriented and connectionless protocol.
4.  Write a short note on error control and flow control. 
5. Why FDI is called a self healing type of network justify. 
6. Write any five difference between TCP and udp. 
7. Write any five difference between TCP and udp. Write a short note on force and sockets. 
8. Explain the working of r o u t e r.
9.  Write the different modes of classification of modem. 
10. Explain the components of data communication system. 
11. Explain circuit switching. Explain different layers in OSI model with any two functions in each layer. 
12. Explain the working of token ring network. Describe the Ethernet frame format. 
13. Describe various classes of IP address. 
14. Write the IP datagram format. Explain the purpose of dotted decimal notation in off IP address. 
15. Briefly explain the working of frame relay. Describe the interaction between two email protocol SMTP and pop. 
16. List the different Threads to the computer. Name the basic network topologies and write advantages of each type full stop define frame and write a note on error control and flow control. 
17. Write a note on modem.
18.  With diagram explain the functions bridge connector.
19.  Explain bus topology. Explain the basic concept of circular topology. 
20. Explain udp format. Explain the working working of DNS server. 
21. Explain the working of file transfer protocol. 
22. Explain the function of frame relay. 
23. Explain dial up internet access method . 
24. Explain DSL functions. 
25. Name the ATM layers and functions.
26.  Explain the properties of Ethernet. 
27. Explain the working of bridge and repeaters. 
28. Explain how does a router facilitate interconnection between two or more networks. 
29. Explain the basic concept of circular telephone.
30.  Explain the working of token ring Network and also explain how it is different from Ethernet. 
31. Explain the working of Gateway.
32.  Explain the basic of FTP and FTP connections. 
33. Explain about bridge and its functions.