SRM University 2007 B.Tech Electronics and Communications Engineering Bank of Computer Communication Networks - Question Paper

1. Write down the design problem of network layer.
2. What is meant by Routing?
3. What is congestion?
4. What is Static and Dynamic Routing?
5. What is Centralized routing and isolated routing?
6. What is flooding?
7. Write the concept behind flow based routing.
8. What are the various Broadcast routing techniques?
9. Give the advantages of multipath routing?
10. What is reverse path forwarding and state its advantage.
11. What are the different congestion control techniques?
12. What is leaky bucket algorithm?
13. What is Token bucket algorithm?
14. What is choke packet, How congestion is controlled over here?
15. What is Dead Lock, How it is prevented?
16. What is Multicasting?
17. What is Load Shedding? What is Milk and Wine?
18. List out the necessary devices for Internet Working?
19. Write down the function of Gateway and Bridges.
20. Write down the function of Router and Repeaters.
PART – B
1. What is Routing, discuss Shortest Path Routing algorithm with example?
2. Explain Distance Vector & Link state routing algorithm.
3. Explain the subsequent routing algorithm with example.
a. Flooding routing algorithm.
b. Hierarchical routing algorithm.
4. What is congestion? elaborate the various methods for controlling congestion?
5. Explain how congestion is controlled in Datagram subnets.
6. Write Short notes on.
a. Dead locks. b. Load Shedding. c. Choke packets.
7. Explain Internet working and its devices.
8. Write Short notes on the subsequent Dynamic routing algorithm
a. Distributed algorithm. b. Centralized algorithm. c. Isolated algorithm.

UNIT-IV
PART A
1. Define Quality of Service and list the parameters typical to transport layer.
2. What is meant by throughput & transit delay?
3. List the difference ranging from data link and network layer.
4. Define hierarchical addressing Mention its advantages.
5. What is connectionless service?
6. What is connection oriented service?
7. List the main problems related to transport layer.
8. What is meant by 3 way handshake?
9. Explain client server paradigm?
10. Give the TCP header format.
11. Give the UDP header format.
12. What is meant by reliable service?
13. List the timers current in TCP.
14. Define retransmission timer.
15. Mention the main problems of Session layer.
16. Mention the main problems of presentation layer.
17. Give the main functions of application layer.
18. Define cryptography.
19. What is meant by encryption?
20. What is public key algorithm?
21. What is upward multiplexing and downward multiplexing?
22. What is meant by transport entity?
23. What are the 3 phases of connections in transport service?
PART B
1. Explain in detail about the transport layer service primitives.
2. Explain in detail about the functions of transport layer including Connection establishment and release procedure.
3. Explain the TCP connection establishment and release procedure.
4. Explain the UDP protocol in detail and where it is needed.
5. Draw the header format of TCP and UDP and discuss in detail.
6. Explain the services given by Session layer.
7. Explain the functions of presentation layer.


UNIT- V
PART - A
1. Define Electronic mail.
2. What is the need for Data compression?
3. List the various kinds of Data compression.
4. What is Lossless data compression?
5. What is Lossy compression?
6. Define Morse code.
7. Define run length encoding.
8. Define Huffman encoding.
9. Expand JPEG & MPEG.
10. List the six basic aspects of E-mail.
11. Define Formatting.
12. Write short notes about Protocol, which is used for e-mail transfer.
13. Write short notes about Facsimile.
14. Define Teletex.
15. List the various IEEE standards for LAN.
16. Write short notes on IEEE 802.2.
17. Write short notes on IEEE 802.4
18. Write short notes on Token ring.
19. Give the frame format for 802.3.
20. What is the use of frame control field in 802.4 frames?
PART - B
1. Explain the various data compression techniques in detail.
2. Explain in detail about Simple Mail Transfer Protocol (SMTP) for an E-mail transfer.
3. Explain about the general model of Electronic mail system.
4. Write Short notes on
a) FAX b) TELETEX
5. Explain about the IEEE 802.3 (ETHERNET) standard for LAN networks.
6. Explain about the IEEE 802.4 (Token Bus) standard for LAN networks
7. discuss about the IEEE 802.5 (Token Ring) standard for LAN networks

Earning:   Approval pending.