Question Bank For Computer Networks
Part A
- Discuss the use of computer networks.
- Describe the features of LAN.
- What is meant by piggybacking? What are its advantages and disadvantages?
- How are errors caused in transmission lines?
- Explain the Binary and Manchester encoding techniques with an example.
- What is meant by congestion? List the ways of avoiding congestion.
- Discuss the issues in network security.
- Explain multiplexing technique.
- Discuss the problems associated with Backward Learning.
- What is transport address? Who will assign it?
- Why is layered architecture of network preferred?
- What is the principal difference between circuit switching and packet switching?
- Explain how errors are detected using CRC.
- What is meant by Pipelining? Discuss the merits and demerits of using this technique.
- Discuss about any two methods of framing.
- Compare virtual circuits and datagrams.
- List the features of internetworking.
- What is modern and codec?
- What is flooding? What are its disadvantages?
- What are the primary services offered by a computer network?
- Mention the advantages of fiber optics.
- What is meant by narrow band ISDN?
- What is the significance of flow control?
- List the drawbacks of simplex protocol.
- Explain the use of bridges.
- What is meant by inter networking?
- List any four services of transport layer.
- Mention the need for domain name system.
- What are the components of multimedia?
- What are the goals for setting up networks?
- List the components of data communications.
- Mention the advantages of co-axial cables.
- What are satellite networks?
- Briefly list the problems with single channel.
- What is the need for routing algorithm?
- List the features of token bus protocol.
- Compare TCP and IP services.
- Write a note on e-mail.
Part –B
- With a neat diagram, explain OSI reference model.
- Describe the relative advantages and disadvantages of
a. Terrestrial links b. Satellite links and c. Optical fiber transmission.
- Describe the error detecting and correcting techniques employed in data communication.
- Discuss about collision free protocols.
- Discuss the function and structure of e-mail protocol.
- Write short notes on
a. Packet Switching
b. Message Switching
c. Circuit Switching
- Explain the transport layer connection management.
- Explain the bus type topology and ring type topology networks. Compare their performance.
- What are the objectives of computer communication networks? What are the network components? Explain.
- Explain the function of TCP/IP protocol.
- Explain ISDN architecture and its services.
- Describe the sliding window protocol for data link layer.
- Describe the congestion control algorithms.
- Explain IEEE’s logical link control protocol used for LAN.
- Explain the traditional cryptography used for network security and privacy.
- Describe the structure and functions of E-mail protocol.
- Explain wireless communications and their suitability to computer networks.
- Explain the design issues of datalink layers.
- Discuss the method of performing protocol specification and verification.
- Describe the structure of network layer in the internet.
- Discuss the services offered by the application layer.
- Describe the ATM AAL layer protocols.
- Write short notes on the following
- World wide web
- High speed LANs.
- Explain the applications of computer networks.
- Discuss the methods used for controlling errors in datalink layer.
- Explain the various media used for data transmission in computer networks.
- Explain any two protocols used by the datalink layer.
- Explain the multi path routing algorithm.
- Discuss the features of ATM networks.
- Explain the design issues of transport layer.
- Write short notes on
- Channel allocation problems
- Simple network management protocol.
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