Advanced Computer Network - May 2013

Computer Engineering (Semester 6)

TOTAL MARKS: 100
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any four from the remaining questions.
(3) Assume data wherever required.
(4) Figures to the right indicate full marks. 1 (a) Explain ATM adaptation layer giving details of different classes of traffic.(10 marks) 1 (b) Explain X.25 protocol stack, detailing operation of X.25/3 (network layer).(10 marks) 2 (a) What are the advantages of MPLS compared to IP over ATM? Explain MPLS switching using lABELstacking.(10 marks) 2 (b) Explain SNMP MIB structure by giving example. Also explain different types of messages exchanged.(10 marks) 3 (a) Explain how reservation in the Intserv model is carried out using RSVP protocol? What are different RSVP messages sent?(10 marks) 3 (b) Explain operating principle of DWDM technology.(10 marks) 4 (a) What are the requirements of Backbone Network design?(10 marks) 4 (b) What is role of subnet mask in classless as well as classbase IP routing? Explain with help of examples.(10 marks) 5 (a) How traffic characteristics affect the network design while doing capacity planning?(10 marks) 5 (b) Explain why unicasting routing protocols are not used for multicasting? Explain any one multicasting protocol in detail.(10 marks) 6 (a) Write a connection oriented socket program for client server communication in either C++ or java.(10 marks) 6 (b) Compare and Contrast IPV4 with IPV6.(10 marks)

Write short notes on (any four)

7 (a) H.323(5 marks) 7 (b) SONET/SDH(5 marks) 7 (c) M/M/1 queuing theory(5 marks) 7 (d) BGP(5 marks) 7 (e) B-ISDN reference model(5 marks)