Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 5th Sem Old 150702 Computer Network Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?V (Old) EXAMINATION ? WINTER 2019
Subject Code: 150702 Date: 25/11/2019
Subject Name: Computer Network
Time: 10:30 AM TO 01:00 PM Total Marks: 70
Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1 (a)
Draw diagram of OSI reference model? What are the benefits of
layering approach in OSI model?
07
(b)
Explain :LAN, WAN and internet
07
Q.2 (a)
Explain the role of fiber optics in computer networks. How a fiber
optic network is formed?
07
(b)
List demerits of unguided transmission media
07
OR
(b)
List difference between Transport layer and Network layer
07
Q.3 (a)
What do you mean by framing? List various framing techniques
and explain any two of them.
07
(b)
What is ALOHA? Explain variants of ALOHA protocol.
07
OR
Q.3 (a)
Explain Sliding Window Protocol.
07
(b)
What is error control? Explain CRC with example
07
Q.4 (a)
Explain IPv4 datagram format and importance of each filed.
07
(b)
Explain Distance Vector Routing with example.
07
OR
Q.4 (a)
Discuss the working principle of TCP
07
(b)
Explain various versions of CSMA protocols.
07
Q.5 (a)
Write a note on HTTP.
07
(b)
What is the need of Domain name service? Explain DNS
architecture.
07
OR
Q.5 (a)
Explain: ATM, DNS and its use.
07
(b)
Explain in detail Virtual LANs.
07
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This post was last modified on 20 February 2020