Question Paper: Computer Networks 2 Question Paper - December 2015 - Computer Science (Semester 6) - Visveswaraya Technological University (VTU)

Computer Networks 2 - December 2015

VTU Computer Science (Semester 6)

Total marks: --
Total time: --
(1) Assume appropriate data and state your reasons
(2) Marks are given to the right of every question
(3) Draw neat diagrams wherever necessary
1 (a) Differentiate between connection oriented and connectionless services. 4 marks

1 (b) Define routing and its goals. 4 marks

1 (c) Explain Dijkstra's algorithm. Consider the network given below in Fig. 1(c). Use the Dijkstra's algorithm to find shortest paths from node 4 to other nodes.
4 marks

2 (a) Explain the FIFO and priority queue scheduling for managing traffic at flow level. 4 marks

2 (b) Define congestion control with graph. Explain the leaky bucket algorithm for policing the traffic at flow level. 4 marks

3 (a) Explain the IP address classification. Identify the following IP address to which class they belong to:
i) 2200.58.20.165
4 marks

3 (b) A host in an organization has an IP address and subnet mask What is the address of this subnet? 4 marks

3 (c) Give the format of IPv6 basic header. Compare IPv6 with Ipv4. 4 marks

Write short notes on:

4 (a) (i) IGMP protocol 4 marks

4 (a) (ii) Mobile IP 4 marks

4 (b) Explain the three way handshake for establishing a TCP connection. 4 marks

4 (c) Write a short note on routing information protocol. 4 marks

5 (a) Explain the routing table poisoning and denial-of-service attacks. 4 marks

5 (b) Define network management and explain SNMP and SNMP message. 4 marks

5 (c) Differentiate between DES and RSA. 4 marks

6 (a) Define MPLS. Explain its operation. 4 marks

6 (b) Explain the classification of resource allocation schemes. 4 marks

6 (c) With a neat diagram, explain the differentiated services QoS. 4 marks

7 (a) Briefly explain MPEG standards and frame types for compression. 4 marks

7 (b) With a neat diagram, explain the H:323 components and list the steps in signaling. 4 marks

7 (c) Explain session initiation protocol (SIP) in detail. 4 marks

8 (a) (i) Zigbee technology. 4 marks

8 (a) (ii) Clustering in sensor networks. 4 marks

8 (b) Briefly explain the direct and multihop routing of intra-cluster routing protocol, with the help of relevant diagrams. 4 marks

8 (c) Explain sensor node structure with relevant figure. 4 marks

written 10 months ago by gravatar for vatsalmehta922 vatsalmehta9220
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