VTU Previous Year Question Papers BE CS sixth Semester
Computer Networks-II June 2010
Note: Answer any FIVE full questions, selecting at least TWO questions from each part.
1 a. Explain and derive delays in datagram packet switching.
b. Consider the network given below in Fig.Ql(b). Use the Dijkstra’s algorithm to find shortest paths from all nodes to destination node
2. a. Explain the FIFO and priority queue scheduling for managing traffic at packet level.
b. Explain the leaky bucket algorithm for policing the traffic; at flow level.
3 a. Explain the IP address classification. Identify the following IP addresses and their address class: 184.108.40.206 220.127.116.11 18.104.22.168 22.214.171.124
b. Give the format of IPV6 basic header. Explain the importance.
4 a. Explain the OSPF protocol and its operation.
b. Give the structure of ATM cell header and details of QOS parameters.
5 a. Which are the different data types used in the structure of management information?
b. Give the comparison between public key and secret key crypto graphic systems.
6 a. Explain VPN and its types based on tunneling.
b. Explain the need for overlay networks and P2P connection.
7 a. Explain the JPEG compression method and still image processing,
b. Explain the session initiation protocol.
8 a. With an example, explain the dynamic source routing protocol,
b. List the security issues in ad-hoc networks. Explain types of attacks.