JNTUA MCA 3rd Sem last 10 year 2010-2020 Previous Question Papers (JNTU Anantapur)
(For 2009, 2010, 2011, 2012 (LC), 2013, 2014, 2015 & 2016 admitted batches only)
Code: 9F00302
MCA II Semester Supplementary Examinations May 2019
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COMPUTER NETWORKS(For 2009, 2010, 2011, 2012 (LC), 2013, 2014, 2015 & 2016 admitted batches only)
Time: 3 hours Max. Marks: 60
Answer any FIVE questions
All questions carry equal marks
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- List various guided media available for message transmission and explain fiber optic cable in detail.
- Explain the functionality of data link layer as well as services provided by it to network layer.
- Brief on the following with reference to mechanism, advantages and disadvantages:
- FDM.
- TDM.
- Explain the mechanisms of congestion control in datagram subnets.
- Explain in detail about connectionless and connection oriented switching.
- Present three way handshaking performed by TCP with the help of time line diagrams.
- Briefly explain any two cryptographic algorithms.
- Describe email system with reference to its architecture and services, user agent and message formats and explain.
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