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2006 Hemchandracharya North Gujarat University M Tech Automobile 301: Data Communication & Networking Question paper
AA-3601 Seat No.______
Third Year M. Sc. (CA & IT) Examination
March / April – 2006
301: Data Communication & Networking
Time : 3 Hours] Total Marks: 70
1 (a) Write short note: TCP/IP protocols suite. 6
(b) Describe connection-orinted and connectionless 4
services and differentiate between each other.
1 (a) Draw OSI reference model and describe a 6
functions of each layer.
(b) Write short notes : 4
(i) Social issues of Computer network.
2 Answer the following question : ( any four) 16
(a) Explain fiber-optics and light transmission
(b) Explain: twisted pair copper network and
Types of twisted pair.
(c) Draw and describe Electromegnetic spectrum
for wirless communication.
(d) What is Geostationary Earth Orbit? Define
speed bandwidth and problem for different
(e) Define a typical circuit route of telephone for
A medium distance.
3 (a) Design issues of Data-link layaer. 3
(b) Explain following question : (any four ) 9
(i) Selective Repeate Protocol
(ii) Go back N Protocol
(iii) Stop and wait protocol
(iv) One bit sliding protocol.
4 Answer the following questions : (any four) 16
(a) What is a CSMA protocol? Describe CSMA
with collision Detection.
(b) Draw and desribe IP datagram.
(c) Define terms :
Router, Repeater, Hub, Bridge
(d) What is subnet? Define a classes of IP address.
(e) Draw and describe UDP header.
5 (a) Write Short notes : (any three) 12
(i) Distance Vector Routing Algorithm
(ii) Multicast Routing Algorithm
(iv) Implementation of connectionless Services.
(b) Write Short note : MIME 4
(b) What is DNS? Why it is require ? 4
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