Download JNTUH MCA 3rd Sem R17 2020 November 843AB Computer Networks Question Paper

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Code No: 843AB

R17

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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA III Semester Examinations, October/ November - 2020

COMPUTER NETWORKS

Time: 2 Hours Max.Marks:75

Answer any five questions

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All questions carry equal marks

1. Differentiate between Connection-Oriented Vs Connectionless Service. Explain briefly about the Twisted-pair Cables. [7+8]
2. Draw and explain the functionality of each layer in TCP/IP Reference model. [15]
3. Illustrate how a parity bit can be used to detect errors in the transmitted frame. Explain about the working procedure of Slotted ALOHA. [7+8]
4. What is the drawback in GO-Back-N sliding window protocol? Explain how it is solved by Selective Repeat protocol. [15]

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5. Describe in detail about the Hierarchical routing. Explain how the tunneling of a packet is done from one place to another. [7+8]
6. Illustrate shortest path routing algorithm with a suitable example. [15]
7. Draw and explain each field of TCP Segment Header. [15]
8. What are the typical elements of a User Agent Interface in E-Mail? Explain briefly about Audio Compression. [7+8]

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