Download JNTUA MCA 2016 Nov 3rd Sem 9F00302 Computer Networks Question Paper

Download JNTU Anantapur (JNTU Anantapur) Master of Computer Applications (MCA) 2016 Oct-Nov Regular Supply 3rd Sem 9F00302 Computer Networks Previous Question Paper

Code: 9F00302
MCA III Semester Supplementary Examinations July 2015
COMPUTER NETWORKS
(For students admitted in 2009, 2010, 2011, 2012 and 2013 only)

Time: 3 hours Max Marks: 60
Answer any FIVE questions
All questions carry equal marks
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1 (a) Distinguish between TCP/IP model and OSI model.
(b) Explain B-ISDN ATM reference model.

2 (a) Discuss framing techniques in brief.
(b) What do you mean by sliding window protocol? Distinguish between Go-back-N protocol and
selective repeat protocol.

3 (a) What is ALOHA? Calculate throughput of pure ALOHA and slotted ALOHA.
(b) Draw Ethernet frame format and explain each field.

4 (a) Explain shortest path routing.
(b) What do you mean by congestion? State general principles of congestion control.

5 (a) Distinguish between transparent and non-transparent fragmentation.
(b) What is multicasting? Briefly discuss multicasting techniques and protocols.

6 (a) What are the functions of transport layer? State transport service primitives.
(b) Discuss TCP transmission policy.

7 (a) Describe RSA algorithm with a suitable example.
(b) What is digital signature? Explain digital signature using message digests.

8 Write short notes on the following:
(a) MIME.
(b) HTTP.
(c) SNMP.
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