ADVANCE COMPUTER NETWORKS (ACN) DECEMBER 2010 COMPUTER SCIENCE SEMESTER 6
Con.6271-10. (REVISED COURSE) GT-7557(3 Hours) [Total Marks: 100]
N.B: (1) Question No.1 is compulsory.
(2) Attempt any four questions out of remaining six questions.
1. (a) Describe how is the TCP/IP protocol stack organized compare to the ISI/OSI protocol
stack. [5 Marks]
(b) Differentiate between Bridge, Router and Gateway. [5 Marks]
(c) What is difference between data plane and control plane in ATM. [5 Marks]
(d) Discuss the functions of SONET layers. [5 Marks]
2. (a)Describe the Routing Information Protocol in detail with its message header and types. [10 Marks]
(b) Write code for connection oriented client server programusing c++/Java. Assume suitable
libraries. Use socket programming for establishing connection. [10 Marks]
3. (a) Using block diagram describe a typical undirectional dense Wavelength Division
Multiplexing (DWDM) transmission system. What are advantages and disadvantages of
DWDM? [10 Marks]
(b) Explain functions of ATM adaptation layers. Explain in detail the AAL1 and AAL2
layers. [10 Marks]
4. (a) Explain the autonomous systems concept and explain EGP in detail. [10 Marks]
(b) Explain different traffic descriptors used in ATM. [5 Marks]
(c) Explain the naming scheme used inSNMP. [5 Marks]
5. (a)What is the main function of DVMRP? How does it differ from RIP and OSPF? [10 Marks]
(b) List different queuing models. Explain one in detail. [10 Marks]
6. (a) What is RSVP? WHat are features of RSVP? How RSVP work? Give its frame
format. [10 Marks]
(b) Explain TCP segment with header format. [10 Marks]
7. Write short notes on any two of the following: [10 Marks]
(a) MIB
(b)Queue Management Algorithms
(c) IP Multicasting
(d) X.25
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