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Computer Networks Question Paper - Dec 18 - Computer Science (Semester 5) - Visveswaraya Technological University (VTU)
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Computer Networks - Dec 18
Computer Science (Semester 5)
Total marks: 80
Total time: 3 Hours
INSTRUCTIONS
(1) Answer Q1 or Q2, Q3 or Q4, Q5 or Q6,Q7 or Q8,Q9 or Q10.
(2) Neat diagrams must be drawn wherever necessary.
(3) Figures to the right indicate full marks.
(4) Assume suitable data if necessary.
Module-1
1.a.
Explain HTTP messages.
(8 marks)
00
1.b.
Explain web caching with diagram.
(8 marks)
00
OR
2.a.
Explain FTP with its commands and replies.
(8 marks)
00
2.b.
Explain SMTP.
(4 marks)
00
2.c.
Explain DNS resource record.
(4 marks)
00
Module-2
3.a.
Explain sender's view of sequence numbers and its operation in Goback N protocol.
(8 marks)
00
3.b.
Draw TCP segment structure and explain.
(8 marks)
00
OR
4.a.
Explain 3 way handshake and closing a TCP connection.
(8 marks)
00
4.b.
Explain the causes and costs of congestion.
(8 marks)
00
Module-3
5.a.
With diagram explain router architecture.
(8 marks)
00
5.b.
Explain IP fragmentation.
(8 marks)
00
OR
6.a.
Explain distance vector algorithm.
(8 marks)
00
6.b.
Explain 4 types of hierarchical OSPF routers.
(4 marks)
00
6.c.
Compare link state with distance vector algorithm.
(4 marks)
00
Module-4
7.a.
Explain components of a cellular network architecture.
85 marks)
00
7.b.
Explain direct routing of a mobile node.
(8 marks)
00
OR
8.a.
Explain steps of hand-off a mobile user.
(8 marks)
00
8.b.
Explain HLR, VLR, home address, care-of-address.
(8 marks)
00
Module-5
9.a.
With diagram, explain naive architecture for audio/video streaming.
(8 marks)
00
9.b.
Explain audio compression in internet.
(8 marks)
00
OR
10.a.
With diagram, explain interaction between client and server using RTSP.
(8 marks)
00
10.b.
Explain how streaming from streaming server to a media player is done.
(8 marks)
00
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