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Subject Title: Computer Networks Prepared by: P. Sravani
Year: Semester: VI Updated on: 20.3.
Unit - I:
- Explain the term data communication and list its characteristics.
- What are the five major components of data communications system?
- Explain about various line configurations.
- What are the various types of topologies? Explain in detail.
- List and explain modes of data transmission.
- Categorize the network based on their sizes.
- Explain about various OSI reference model layers.
- Responsibilities of all layers of OSI reference model.
- Explain TCP/IP reference model.
- Explain in detail about various types of guided & unguided transmission media.
- Define multiplexing. Explain types of multiplexing.
- Distinguish between synchronous and statistical TDM.
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Unit - II:
- Define error detection and list the various error detection techniques.
- Explain VRC, LRC, CRC methods of error detection with the help of example.
- Explain checksum method of error detection.
- Define error. What are the two types of errors? Explain them.
- Explain about error correction using Hamming
- Explain the three data-link protocol functions.
- Write short notes on LAN and IEEE 802.
- Explain in detail different implementations of Token Ring.
- Define switching and explain its types.
- Write short note on Ethernet and implementations of Ethernet.
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- What is sliding window protocol? Explain the working of sliding window protocol.
- Explain frame format of IEEE802.3?
- Briefly discuss about Error control.
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Unit - III
- What are repeaters? Explain the operations of repeaters.
- Write about distance vector routing algorithm. What are the features of it.
- Discuss about dijkstra algorithm for shortest path routing.
- Explain about the services provided by transport layer protocols.
- What are the functions of presentation layer?
- Explain in detail about application layer.
- What is shortest path routing algorithm?
- Write short note on minor synchronization point.
- What is encryption and decryption?
- What are Bridges? Explain the types of bridges.
- Discuss about the concept of Brouters and switches.
- Discuss in detail about conventional encryption methods.
- Discuss in detail about DES encryption and Decryption.
- Explain the working of digital signature.
- Write about FTAM protocol.
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