Question Paper: Computer Network : Question Paper May 2013 - Computer Engineering (Semester 5) | Mumbai University (MU)
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Computer Network - May 2013

Computer Engineering (Semester 5)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS
(1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks.
1 (a) What is the need for layering? Discuss the issue for layers.(10 marks) 1 (b) Explain the ALOHA protocol. Compare the performance of Pure Aloha v/s Slatted Aloha at low load and high load.(10 marks) 2 (a) Explain different framing methods. What are the advantages at variable length frames over fixed length frames ?(10 marks) 2 (b) Explain : FDMA, TDMA and CDMA.(10 marks) 3 (a) Explain sliding window protocol with selective repeat.(10 marks) 3 (b) Explain with the suitable example CRC algorithm for computing checksum.(10 marks) 4 (a) What are transport service primitive?(10 marks) 4 (b) How TCP controls the congestion, explain in detail.(10 marks) 5 (a) Different between the following :-
(i) Protocol and Inteface
(ii) Connectionless and connection oriented service.
(10 marks)
5 (b) What are different types of routing? Explain any one in detail.(10 marks) 6 (a) Explain the different factors associated with quality of service in inter network.(10 marks) 6 (b) Describe the IPV4 header format in detail.(10 marks) 7 (a) SONET(5 marks) 7 (b) Layer 2 v/s Layer 3 switching (5 marks) 7 (c) Bluetooth(5 marks) 7 (d) CIDR(5 marks) 7 (e) Berkely Socket.(5 marks)

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