Advanced Computer Network - Dec 2011

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) Compare TCP/IP protocol suite and ISO/OSI protocol suite(5 marks) 1 (b) Explain packet filtering and layer7 filtering?(5 marks) 1 (c) Explain naming scheme used in SNMP ?(5 marks) 1 (d) Discuss function of SONET layer?(5 marks) 2 (a) Explain the functions of ATM adaptation layer. Explain in detail AAL1 and AAL2 layers.(10 marks) 2 (b) What is Socket Programming? Write C++/Java code for client-server program using connection oriented protocol.(10 marks) 3 (a) Compare unicast routing Protocols OSPF and RIP. Explain RIP in detail.(10 marks) 3 (b) What is Multicast routing protocols? Explain DVMRP in detail.(10 marks) 4 (a) What is SNMP? Explain SNMP PDU format and messages?(10 marks) 4 (b) What is RTP? Explain RTP frame format in detail?(10 marks) 5 (a) Describe different delay components in communications network.(10 marks) 5 (b) Explain different QOS parameters incase of ATM.(10 marks) 6 (a) Explain Network Address Translation. Discuss SNAT and DNAT.(10 marks) 6 (b) Explain H.323 standard in detail.(10 marks)

Write short notes on (any two)

7 (a) IP multicasting(10 marks) 7 (b) Traffic describtors used in ATM(10 marks) 7 (c) X.25(10 marks) 7 (d) SAN(10 marks)