Download GTU BE/B.Tech 2019 Summer 5th Sem Old 150702 Computer Network Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 5th Sem Old 150702 Computer Network Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? V(OLD) EXAMINATION ? SUMMER 2019
Subject Code: 150702 Date: 06/06/2019

Subject Name: Computer Network

Time: 02:30 PM TO 05:00 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 the OSI reference model. Explain the functionality of each layer in brief. 07
(b) What is topology? List out different types of topology and explain each in detail 07

Q.2 (a) Write a note on guided and un-guided transmission medium 07
(b) Explain ALOHA system. How slotted ALOHA works? Differentiate it with
pure ALOHA.
07
OR
(b) Draw and explain Ethernet 802.3 Frame structure. 07

Q.3 (a) What is the difference between error detection and correction? Explain any one
error correction technique with suitable example
07
(b) Describe the working of sliding window protocol. Also explain the
piggybacking phenomenon
07
OR
Q.3 (a) What is Routing? Explain shortest path routing with example. 07
(b) Explain IPv4 datagram format and importance of each filed 07

Q.4 (a) Explain ICMP & IGMP in detail 07
(b) Explain various versions of CSMA protocols. 07
OR
Q.4 (a) What is count-to-Infinity problem? Explain it with example. 07
(b) What is DNS? How resource records are maintained in DNS? 07

Q.5 (a) Write a note on HTTP. 07
(b) Write a short note on Mobile IP 07
OR
Q.5 (a) Differentiate Datagram and Virtual circuit 07
(b) Draw and explain TCP packet header. 07

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