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Total No. of Questions: 7] [Total No. of Printed Pages: 2 Paper code: 135181518B.Sc. (Computer Science) (Part 2)Examination, 2023Paper No. 3.3DATA COMMUNICATION Time: Three Hours] [Maximum Marks: 34 Note: Attempt any five questions. Questions No. 1 is compulsory. 1. (a) Explain Wire and Wireless Transmission.3 (b) Explain Protocol and Protocol Architecture.3 2. (a) Explain the elements of Data Communication.4 (b) Explain Communication Modes.3 3. (a) Explain Error Detection and Error Control.3 (b) Explain Multiplexing and its types.4 4. (a) Explain different types of Switching techniques.4 (b) Explain Data Link Control.3 5. (a) Explain X.25 and Ethernet.4 (b) Explain Congestion control.3 6. (a) Explain Network Topologies.3 (b) Explain the function of Bridges, Routers and MODEM.4 7. Write short notes on any two of the following :3.5 each (i) Types of Network (ii) Digital and Analog Signals (iii) UTP and STP ......End...... Thank You :-)

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Data Communication 2024 – BSc Computer Science 2nd Year

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