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Computer Networks : Question Paper Dec 2012 - Information Technology (Semester 4) | Mumbai University (MU)

Computer Networks - Dec 2012

Information Technology (Semester 4)

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) Explain the following with example:-
(i) Repeater
(ii) Hubs
(iii) Bridges
(iv) Switches
(v) Router
(10 marks)
1 (b) Explain the layers details of OSI and TCP/IP Models.(10 marks) 2 (a) Explain the major components of telephone networks. (10 marks) 2 (b) Explain the error detection and error correction algorithms. (10 marks) 3 (a) What is CRC? Write the algorithm for computing checksum and explain with suitable example. (10 marks) 3 (b) Explain the following with examples: - MAC address, IP address, Socket, Baud Rate, Latency.(10 marks) 4 (a) Differentiate between the following:-
(i) Protocol and Interface
(ii) Connectionless and connection oriented service.
(10 marks)
4 (b) Explain and compare the following:- Ethernet, Token Bus and Token Ring.(10 marks) 5 (a) Explain CSMA/CD.(10 marks) 5 (b) List the features of bluetooth and explain the network formation process.(10 marks) 6 (a) Explain FDMA, TDMA and CDMA.(10 marks) 6 (b) What are the different types of routing? Explain Distance Vector Routing.(10 marks) 7 (a) What are the congestion prevention policies? Explain the congestion control in virtual circuit and datagram subnets.(10 marks) 7 (b) Write note on SONET.(10 marks)

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