APRIL-2011 SAZ6B/ SAE6A/ SEU6D
PART-A
1. What are the goals of a network?
2. What is an interface?
3. What do you mean by bit stuffing?
4. Distinguish between LAN and WAN
5. What do you understand by flooding?
6. What do you mean by congestion?
7. State any one of the difference between the network service and transport service.
8. What are bridges?
9. Define firewalls and gateways.
10. What are functions of applications layer?
11. What is meant by virtual circuit?
12. Mention the uses of data compression.
PART-B
13. Write a note on error detection and correction.
14. Write a short note on Transparent Bridges.
15. Explain the design issues of network layer.
16. Explain briefly the Distance Vector Routing.
17. Explain about Transport Layer Services.
18. Explain how connections are established using three-way handshake.
19. Explain about Electronic mail.
PART-C
20. Explain the OSI Network architecture specifying the functions of each layer.
21. Explain the various transmission media for data communications
22. Write in detail about Transport Service Primitive.
23. Explain in detail any four multiple access protocols.
24. Define adaptive and non-adaptive algorithm. Explain in detail any two routing algorithm
NOVE-2011 SAE6A/SAZ6B/SEU6D
PART-A
1. What is a Network?
2. Name the characteristics that determine the effectiveness of data communication system.
3. What are the two types of line configuration?
4. What is DCE?
5. What is an intelligent modem?
6. What is multiplexing?
7. What is FDDI?
8. What is the goal of ISDN?
9. Names the two services offered by B-ISDN.
10. List any two internetworking devices.
11. What is a Repeater?
12. What is a RARP?
PART-B
13. Explain briefly the five components of a data communication system.
14. Explain any two types of network topology.
15. Explain the types of errors with examples.
16. Explain briefly any two types of fast Ethernet.
17. Explain the connection oriented and connectionless services.
18. Explain the architecture of an ATM network.
19. Explain briefly the structure of a web page.
PART-C
20. Explain the various classification of network in detail.
21. Explain the five propagation types of radio waves.
22. Explain the three types of digital services available to the telephone customers.
23. What are the functions of ISDN physical layer?
24. Describe the working of link state routing algorithm with an example.
APRIL-2012 SAZ6B/SAE6A
PART-A
1. What do you mean by Data Communication?
2. Define Network.
3. What is Synchronous Transmission?
4. List the various Unguided Media used for transmission.
5. What is circuit switching?
6. Define Multiplexing.
7. What is an Analog data?
8. Define ATM.
9. What is a repeater?
10. Define Bridge.
11. What do you mean by Ring topology?
12. What is multipoint Connection?
PART-B
13. Explain the five components of a data communication system.
14. Explain the LAN and MAN Networks with a neat Diagram.
15. Write a short note on packet switching.
16. Discuss about ISDN.
17. Give a short note on WWW.
18. Write a short note on Bus and Star Topology with a neat Diagram.
19. Discuss about Twisted-Pair Cable.
PART-C
20. Discuss in detail about OSI model.
21. Write a detail note on Guided Media.
22. Explain the Ethernet MAC sublayer with a neat diagram.
23. Write a detail note on ATM.
24. Discuss any TWO Routing algorithms.
NOVEMBER 2012 51316/SAZ6B/SAE6A/SEU6D
PART-A
1. Define network.
2. List the seven layers of an OSI model.
3. What is synchronous Transmission?
4. What do you mean by an unguided media?
5. List the categories of multiplexing.
6. Define packet switching.
7. What is ISDN?
8. Define ATM?
9. What do you meant by routers?
10. What is a repeater?
11. What is multipoint connection?
12. What is Asynchronous Transmission?
PART-B
13. Write a short note on protocol and standards.
14. Explain in short about Radio Waves.
15. Write a short note on circuit switching?
16. Discuss in short about ISDN.
17. Give a short note on Bridges.
18. Explain the LAN and MAN networks, with neat diagrams.
19. Describe in short about microwaves and its applications.
PART-C
20. Explain the various network topologies with neat diagrams.
21. Write a detail note on guided media.
22. Explain the frequency-division multiplexing.
23. Write a detail on: ATM.
24. Discuss any two routing algorithm.
APRIL-2013 SAZ6B/SAE6A/SEU6D
PART-A
1. What do you mean by Data Communication?
2. What is LAN?
3. What is the use of Microwaves?
4. List the various Guided Media used for transmission.
5. Define Multiplexing.
6. What is circuit switching?
7. Expand ISDN.
8. What is an Analog data?
9. Define Bridge.
10. What is a Gateway?
11. What do you mean by Ring Topology?
12. Define Serial Transmission.
PART-B
13. Explain the five components of a data communication system.
14. What are the advantages and disadvantages of optical fiber?
15. Write a short note on packet switching.
16. Discuss in short about ATM Topology.
17. Give a short note on World Wide Web.
18. Write a short note on Bus and Star Topology with a neat Diagram.
19. Discuss in short about Twisted-Pair Cable.
PART-C
20. Discuss in detail about OSI Model.
21. Write a detail note on Parallel and Serial Transmission.
22. Explain the Ethernet MAC sublayer with a neat diagram.
23. Write a detail note on ISDN.
24. Discuss TCP/IP in detail.
NOVE-2013 SAZ6B/SAE6A/SEU6D
PART-A
1. List any four applications of networks.
2. Define modem.
3. What do you mean by congestion?
4. Define flooding.
5. What are orphans?
6. Define virtual terminal.
7. Define LAN.
8. What is risk assessment?
9. Write a note on IP address.
10. Define the walls.
11. Define firewalls and gateways.
12. What are functions of application layer?
PART-B
13. Draw the topologies for point-to-point channels and broadcast channels.
14. Explain the ISDN services.
15. Explain the simplex stop-and wait protocol.
16. Explain centralized routing and isolated routing.
17. Describe the basic aspects of any electronic main system.
18. Discuss the design issues of transport layer.
19. Explain the features of LAN.
PART-C
20. Discuss the TCP/IP architecture.
21. Explain the file transfer protocol.
22. Discuss the various transmission media.
23. Discuss the design issues of session layer.
24. Discuss the remove procedure call.
APRIL-2014 SAE6A/SAZ6B
PART-A
1. List the components of a data communication system.
2. What is LAN?
3. Define:Protocol.
4. What is the function of physical layer?
5. What is parallel transmission?
6. Define: Packet switching
7. What is meant by single-bit error?
8. Define: Hamming distance.
9. What is FDDI?
10. Write a note on: Broadband ISDN.
11. What are routers?
12. What is TCP/IP network?
PART-B
13. Write short notes on: Line configuration.
14. Discuss briefly on : Transmission modes.
15. What are MODEMs? Explain.
16. Write a short note on: Error detection.
17. Discuss briefly on: Token bus.
18. Write about ATM protocol.
19. Discuss briefly on: WWW
PART-C
20.Explain different categories of network topologies.
21. Describe about unguided media.
22. Explain different types of multiplexing.
23. Discuss in detail, ISDN layers.
24. Write short notes on: a) Repeaters b) Bridges.
APRIL-2015 SAE6A /SAZ6B
PART-A
1. List the components of data communication.
2. Define: Half-Duplex Mode.
3. What is LAN?
4. Write a note on: Parallel Transmission.
5. What is MODEM?
6. Define: Burst Error.
7. What is meant by Multiplexing?
8. What is FDDI?
9. Define : Circuit Switching.
10. Write a note on: Broadband ISDN.
11. What is meant by Router?
12. What is WWW?
PART-B
13. Write Short Notes on : Layers in OSI Model.
14. Discuss briefly on: Serial Transmission.
15. Discuss any TWO guided transmission media.
16. Write Short Notes on: Ethernet.
17. Distinguish between Connection Oriented and Connections Services.
18. Discuss about ATM Protocol.
19. Write Short Notes on: Bridges and Gateways.
PART-C
20. Describe various Network Topologies.
21. Explain about Unguided Transmission Media used in Computer Networks.
22. Describe in detail, Token Bus and Token Ring.
23. Explain about X.25 Layers.
24. Discuss in detail, any ONE Routing Algorithm.
APRIL-2016 SAE6A / SAZ6B
Part - A
1. Define the term : Data communications.
2. What is RingTopology?
3. List the layers of OSI model.
4. What is Asynchronous Transmission?
5. Distinguish between multiplexer and demultiplexer.
6. Write a note on : FDDI.
7. What is message switching?
8. Define : burst Error.
9. What is ISDN?
10. Write a note on : Packet layer protocol.
11. What are bridges?
12. What is TCP/IP.
Part -B
13. Write about transmission modes.
14. Distinguish between parallel and serial transmission.
15. Write short notes on : MODEMs
16. Discuss briefly about any two multiplexing.
17. Write briefly on: Connection oriented and connectionless services.
18. Write short notes on: ATM topology.
19. Discuss about WWW.
Part- C
20. Describe in detail, classification of networks.
21. Explain any two guided media.
22. Write short notes on: a) Ethernet b) IEEE 802.6
23. Explain about ISDN layers.
24. Discuss in detail, Routers and Gateways