GTU B.Tech 2020 Winter Question Papers || Gujarat Technological University
Enrolment No,
Instructions:
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GUJARAT TECHNOLOGICAL UNIVERSITY
BE- SEMESTER-IV (NEW) EXAMINATION - WINTER 2020
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Subject Code:2140709
Date:11/02/2021
Subject Name:Computer Networks
Time:02:30 PM TO 04:30 PM Total Marks:56
- Attempt any FOUR questions out of EIGHT questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
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| Marks | |
|---|---|
| (a) Explain function of any two layers of OSI model. | 3 |
| (b) Explain functionality of Repeater, HUB, Bridge, Router. | 4 |
| (c) Explain various delay which are occur in data packet transmission. | 7 |
| (a) Explain LAN, WAN and internet. | 3 |
| (b) What is IP address ? Explain sub netting with example. | 4 |
| (c) Explain five layer of internet(TCP/IP model)and addressing scheme at different layer. | 7 |
| (a) Explain bit stuffing . | 3 |
| (b) Compare IP v4 and IP v6. | 4 |
| (c) Explain different IP address classes. | 7 |
| (a) What is subnet mask? Explain with example. | 3 |
| (b) Write a short note on slotted ALOHA. | 4 |
| (c) Explain CRC code generation using example. | 7 |
| (a) Explain checksum with example. | 3 |
| (b) Explain CSMA/CD protocol. | 4 |
| (c) Explain connection oriented and connectionless service. | 7 |
| (a) Explain packet fragmentation with example. | 3 |
| (b) Differentiate functionality of TCP and UDP protocol. | 4 |
| (c) Explain Distance Vector routing algorithm. | 7 |
| (a) What is functionality of DHCP protocol? | 3 |
| (b) How DNS protocol works? | 4 |
| (c) Explain dijkstra (Link state) routing algorithm. | 7 |
| (a) What is functionality of NAT protocol? | 3 |
| (b) Write a short note on packet broadcasting. | 4 |
| (c) Write a short note on spanning tree. | 7 |
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