Question Paper: Computer Communication Networks : Question Paper Dec 2015 - Electronics Engineering (Semester 7) | Mumbai University (MU)
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Computer Communication Networks - Dec 2015

Electronics Engineering (Semester 7)

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 various Connecting devices used in compute networks.(5 marks) 1 (b) Explain bit stuffing and unstuffing with respect to HDLC.(5 marks) 1 (c) Explain CSMA/CA method of random access.(5 marks) 1 (d) Compare TCP and UDP.(5 marks) 2 (a) Explain the ISO-OSI model of networks with the help of neat diagrams.(10 marks) 2 (b) Explain the sliding window ARQ used for error control.(10 marks) 3 (a) Explain the various station types, Configurations, response modes and Frame formats in HDLC.(10 marks) 4 (a) Explain circuit switching, packet switching and message switching.(10 marks) 4 (b) Explain how routers use link state routing algorithm to create the routing table.(10 marks) 5 (a) List the various options used in the IP datagram and explain each in brief.(10 marks) 5 (b) Draw and discuss the Ethernet frame format.(10 marks) 6 (a) Guided and unguided media.(5 marks) 6 (b) Open loop congestion control.(5 marks) 6 (c) PPP Header format.(5 marks) 6 (d) Network topologies.(5 marks)

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