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Posted By: Sree.... Member Level: Diamond Posted Date: 11 Feb 2008
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2007 Andhra Pradesh State Jawaharlal Nehru Technological University B.Tech ASYNCHRONOUS TRANSFER MODE Set No. 3 Question paper
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Code No: RR421701 Set No. 3
IV B.Tech II Semester Supplementary Examinations, June 2007
ASYNCHRONOUS TRANSFER MODE
(Electronics & Telematics)
Time: 3 hours Max Marks: 80
Answer any FIVE Questions
All Questions carry equal marks
? ? ? ? ?
1. (a) What are the differences between circuit switching and packet switching.
(b) Explain ISDN protocol architecture. [8+8]
2. (a) Does the performance of ATM depend strongly on the delay bandwidth prod-
uct of a wide area network? Explain.
(b) Explain briefly the architecture of ATM Networks? [8+8]
3. (a) Explain why each specific set of traffic descriptors and QoS parameters were
selected for each of the ATM service categories?
(b) What are the different methods that can be used to establish a virtual channel
connection in B-ISDN? [8+8]
4. (a) Explain ATM adaptation layer functions.
(b) What are the different service classes in AAL ? and explain them briefly.[8+8]
5. Explain connection admission control? [16]
6. (a) Define switching element. What is its function?
(b) Explain the different switching elements used in ATM networks? [6+10]
7. What are ATM transmission network equipments? [16]
8. What are the security issues in ATM network? [16]
? ? ? ? ?
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