Sunday, September 27, 2015

Guru Nanak Dev University 2011 BCA Computer Networks Question Paper

Guru Nanak Dev University
B.C.A Computer Application 1st Year
Computer Networks
April 2011 Question paper
Time Allowed : 3 Hours
Maximum Marks : 100
Note:Attempt any FIVE questions.All questions carry equal marks.The students can use only nonprogrammable
and non-storage type calculator.
Q1) What do you mean by network topology? Explain briefly the different network topologies,
giving merits and demerits of each.
Q2)What is the various transmission media used to transport raw data from one machine to another? Explain.
Q3)Discuss in detail the OSI reference model.
Q4)Briefly explain the following:
(a)Analogue transmission
(b)Digital transmission
(c)Modulation
(d)Multiplexing
Q5)Discuss the various CSMA protocols.
Q6)Describe the key elements of circuit switching and packet switching. Also discuss their respective applications.
Q7)Briefly discuss the following routing algorithms:
(a)Shortest Path Routing
(b)Flooding
(c)Broadcast Routing
Q8)Write short notes on the following:
(a)Uses of computer networks
(b)World Wide Web
(c)Remote login

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