SRM University 2007 B.Tech Computer Science and Engineering Bank : CS309 Computer Networks - Question Paper

47. List the various BGP messages
48. Identify the class and default subnet mask of the IP Address 217.65.10.7
49. What does flooding mean?

PART - B
1. Explain Static channel allocation in LAN & MAN.
2. Discuss in detail Dynamic channel allocation in LAN & MAN
3. Discuss CSMA/CD algorithm of Ethernet
4. Explain Manchester encoding & differential Manchester encoding
5. Explain MAC sublayer protocol in wireless LAN (802.11)
6. Explain the distribution services given by the base station in 802.11 wireless LAN
7. Discuss any two multiple access protocols
8. Discuss the design problems of network layer.
9. General principles of congestion control & any 1 congestion control algorithm
10. Explain binary exponential backoff algorithm of Ethernet.
11. Explain the concept of MAC with respect to different network media
12. Design problems of network layer.
13. Any two routing algorithms
14. Explain the distance vector routing algorithm. Mention the limitation of the identical.
15. Explain the building & distribution of link state packets in a link state routing algorithm. Mention the limitations of link state routing algorithms.
16. Explain congestion control algorithm.
17. What are the general principles of congestion control. discuss the congestion control in virtual circuit subnets.
18. Discuss the Techniques for achieving good Quality of Service
19. Explain resource reservation protocol
20. Explain tunneling in detail
21. Explain IP protocol with its header format
30 Write short notes on ICMP, ARP, RARP
31.Comparison of Virtual-circuit and Datagram Subnet
32. discuss the frame structure and the features of Bluetooth Network.

Unit iv
Part A

1. List any 2 services given by transport layer to its layer above.
2. Represent the logical relationship of transport layer and its neighboring layers using a diagram.
3. Explain the state diagram for simple connection management.
4. What is a socket?
5. Compare the environment of DL layer with transport layer.
6. How will you restrict packet life time
7. What is upward Multiplexing?
8. What is downward Multiplexing?
9. What do you mean by crash Recovery?
10. What are the advantages in representing the protocol states as a finite state machine?
11. Explain UDP header.
12. What is called Marshalling?
13. Write short notes on the little sibling protocol of RTP
14. What are the purposes of TCP?
15. What is MTU?
16. Define Port.
17. Explain silly window syndrome
18. Explain the 3 way handshake.
19. What are the parameters needed to measure the network performance.
20. Give a few examples of applicaation where UDP is prefered over TCP.

Part B

1. Explain addressing in transport layer
2. Briefly discuss the connection Establishment in transport layer
3. Briefly discuss the connection Release in transport layer
4. Explain the flow control and buffering in Transport layer
5. Explain Remote Procedure Call in detail.
6. Explain TCP service model
7. Explain TCP protocol giving its header
8. How congestion is controlled in TCP? discuss.
9. Explain the rules of system desing for better performance

Unit V
Part A

1. Define Cryptography
2. What is a Cipher?
3. Give the basic symmetric encryption model.
4. What is plain text?
5. What is Cipher text?
6. Define Cryptology
7. What is called cryptanalysis.
8. Explain substitution Cipher with example
9. Discuss one-time pad, encryption techniques in detail
10. What are the 2 fundamental cryptographic principles?
11.what is masking,frequency masking and temporal masking?
12.what are the various ways by which audio compression is done?
Part B
1. Explain the symmetric encryption model in detail
2. Explain Firewall
3. What do you understand by VPN?
4. Explain HMAC
5. Explain DNS and structure of records
6. Explain the message transfer using SMTP.
7. Explain the final delivery of email to the enduser using POP3
8. Draw and discuss the architecture of World Wide Web
9. Write short notes on Video Demand
10. Explain about Audio streaming.
11. Explain Voice Over IP in detail





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Earning:   Approval pending.