Anna university
Computer Networks 2012 Important Questions
Computer Networks 2012 Important Questions
Subject Code : EC2352
Subject Name : Computer Networks
Unit 1
1.Describe briefly the various layers and functions of OSI model.
2.Explain how guided media differ from unguided media. Briefly explain any three methods used for data transmission using guided media and two methods used for data transmission using unguided media.
3.Explain the diiferent types of packed switching techniques with suitable networks.
4.Discuss in detail about dail up modems and cable TV used for data transfer.
Unit II
1.Discuss in detail about the architecture and layers of ATM.
2. Explain in detail about the frame format and control field of HDLC.
3.Discuss in detail about standard Ethernet and fast Ethernet.
4. Write briefly about blue tooth technology.
Unit III
1.Explain in detail about IPv4,IPv6 with suitable examples, and compare both.
2.Explain in detail about ICMP protocol in detail.
3.Briefly explain about unicast,multicast routing protocols.
4.Describe the circuit switched networks , data gram networks and cable networks.
5.Explain in detail about the TCP/IP protocol suite.
Unit IV
1.State the characterisitics and uses of User Datagram Protocol. Describe the fields of the U Datagram format.
2.Discuss the congustion control mechancism with neat diagram.
3.Explain in detail about three way hand shake in TCP.
4.Draw the structure of TCP segment. Explain the features of TCP.
Unit V
1.Discuss in detail about symmetric key and public key algorithms.
2.Describe in detail about HTTP and FTP with neat diagram.
3.Explain in detail about SMTP protocol and discuss how it is used in E mail applications.
4.Write in detail about Digital signature.
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