Important RGPV Question
EC- 603 (A) DATA COMMUNICATION
VI Sem, EC
UNIT 1-DATA COMMUNICATION INTRODUCTION
Q.1) List the three techniques in serial transmission and explain the transmission in detail.
(RGPV May 2023)
Q.2) What is Data Communications? What are its characteristics? Explain.
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Q.3) Draw basic block diagrams of data communication systems and explain different components of the system.
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Q.4) What are Standards? Name any four standard. organizations for Data communications.
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UNIT 2-OSI MODEL
Q.1) Explain OSI Reference model with neat figure.
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Q.2) What is Switching? Write the different types of Switching Techniques.
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Q.3) Write about Guided media and Unguided media.
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Q.4) Define transmission medium. How do guided media differ from unguided media?
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Q.5) Explain different layers in OSI model.
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Q.6) Write short notes on circuit switching, packet switching and message switching.
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UNIT 3- ERROR CONTROL AND DATA LINK PROTOCOLS
Q.1) Explain CRC with an example. How does single bit error differ from a burst error?
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Q.2) Write about:
i) Stop and wait protocol
ii) Framing
iii) HDLC
iv) ARQ
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Q.3) What is an Error? Explain the types of errors.
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Q.4) Explain in detail about Error-Correction mechanisms with suitable examples
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Q.5) Explain about Data link layer protocols.
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Q.6) Write a short note on checksum.
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UNIT 4- NETWORKS
Q.1) Explain the concept of Token ring (IEEE 802.5).
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Q.2) Write a short note on X.25 and Frame relay.
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Q.3) Explain the concept of Token Bus (IEEE 802.4).
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Q.4) Write a short note on ATM and SONET.
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UNIT 5-NETWORKING DEVICES AND TCP / IP PROTOCOL SUITE
Q.1) Explain LAN with its architecture.
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Q.2) Explain the structure of TCP/IP protocol.
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Q.3) Write about Repeaters, Gateway, Bridges.
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Q.4) Explain different types of Networks.
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Q.5) Explain about various network topologies. Also give a brief description of network classification.
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Q.6) Explain MAN with its architecture.
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Q.7) Explain the TCP/IP reference model with neat diagram.
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Q.8) Write a note on the routing algorithm.
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EXTRA QUESTIONS-
Q.1) Write short notes on:
i) Link state routing
ii) Sliding window
iii) Ethernet
iv) Line encoding
(RGPV May 2023)
Q.2) Write short notes on
i) Gateways
ii) Framing
iii) FDDI
iv) Transmission mode
(RGPV May 2022)
— Best of Luck for Exam —
