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PUNJAB TECHNICAL UNIVERSITY MCA - I (SEM 2) SEP 2010 : Data Communication and Computer Networks

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Roll No. ...................... Total No. of Questions : 13] [Total No. of Pages : 02 Paper ID [A0508] (Please fill this Paper ID in OMR Sheet) MCA (203) (S05) (O) (Sem. - 2nd) DATA COMMUNICATION & COMPUTER NETWORKS Time : 03 Hours Maximum Marks : 75 Instruction to Candidates: 1) Section - A is Compulsory. 2) Attempt any Nine questions from Section - B. Section - A Q1) (15 2 = 30) a) Write the goals of multiplexing. b) Discuss Hamming codes with example. c) What is parity check? Give example. d) Write down advantages of networking? e) Write short note on Fourier Analysis. f) Write down design issues for data link layer. g) Name various layers of TCP/IP model. h) Write down applications of Computer network. i) Differentiate between LAN and WAN. j) What is switching? Discuss its types. k) Differentiate between congestion control and flow control. l) Write short note on network design issues. m) Write elements of transport protocols. n) o) A-526 Briefly explain IP addressing. What do you mean by TCP connection management. P.T.O. Section - B (9 5 = 45) Q2) What is modulation? Explain its types. Q3) Explain the Error detecting codes. Q4) Explain various types of networks. Q5) Describe the hardware and software requirements for computer networking. Q6) Discuss the OSI reference model with functioning of each layer. Q7) Explain the SDLC protocol. Q8) Explain the IEEE standard 802 for WAN. Q9) Compare wired and wireless media. Q10) Explain the shortest path vector routing algorithm with example? Q11) Describe the Leaky Bucket algorithm? Q12) Explain the addressing in Transport layer. Q13) Explain in detail the Internet IP protocol. kbkb A-526 2

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Additional Info : Mca - I(sem 2) September 2010 Question Paper - Data Communication and Computer Networks
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