Computer Networks BCA paper Nov 2021

• Subject Code: - UGCA 1913
• Subject Name: - Computer Networks
• Date of Examination: - Nov 2021
• Class: - BCA 3rd
• Exam Mode: - Online

Instructions to Candidates

1. Attempt any FIVE question(s), each question carries 12 marks.

QUESTIONS

1. What is Unguided Network Media? Explain its types, merits and demerits.
2. Why multiple access is required in LAN technologies? Compare FDM, TDM and SDM.
3. Differentiate between circuit, message and packet switching.
4. What is OSI reference model? Compare it with TCP / IP model.
5. Discuss the various issues in session and presentation layer.
6. Differentiate between simplex, half duplex and full duplex channels.
7. Define routing. Explain any one algorithm of routing.
8. Write a note on flow control and buffering.

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ANSWERS:

Q1.

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