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IGNOU UNIVERSITY MCA - II (SEM 4) JUN 2010 : Data Communication and Computer Networks

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No. of Printed Pages : 3 MCS-042 MCA (Revised) Term-End Examination (N) June, 2010 MCS-042 : DATA COMMUNICATION AND COMPUTER NETWORKS Maximum Marks : 100 Time : 3 hours Note : Question number / is compulsory. Attempt any three questions from the rest. 1. (a) Explain different phases of Connection Oriented Transmission. Define cellular topology. Discuss advantages and disadvantages of cellular topology in wireless data transfer. Discuss advantages and disadvantages of -flooding routing protocols. A network with bandwidth of 10 Mbps can pass only an average of 12000 frames/min with each frame carrying an average of 10000 bits. What is throughput of this network ? Illustrate ideal, achievable, =congested and congested network characteristics using appropriate diagram. MCS-042 1 6 6 5 5 5 P.T.O.

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Additional Info : Mca - II (sem 4) June 2010 Question Paper - Data Communication and Computer Networks(Revised Course)
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