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Posted Date: 25 Dec 2008 Posted By: naresh Member Level: Silver
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2005 Jawaharlal Nehru Technological University IV B.Tech. II Semester Supplementary Examinations, July -2005 ASYNCHRONOUS TRANSFORM MODE Question paper
Code No: NR421701 Set No.3
IV B.Tech. II Semester Supplementary Examinations, July -2005
ASYNCHRONOUS TRANSFORM 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.
2. (a) Explain
i. Peak cell rate(PCR)
ii. Sustainable cell rate (SCR)
iii. Maximum burst size(MBS)
iv. Burst tolerance (BT)
(b) Explain generic cell rate algorithm (GCRA)
3. (a) Explain different fields in ATM cell header.
(b) What are the different pay load types used in ATM cell header.
4. (a) Explain ATM adaptation layer functions.
(b) What are the different service classes in AAL ? and explain them briefly.
5. Explain peak cell rate algorithm?
6. Explain working of the following switching elements w.r.t ATM networks.
(a) Matrix type
(b) Central memory
(c) Bus type
(d) Ring type
7. What are the advantages of designing a passive optical network using multiplexer
/ de multiplexer approach over splitter / combiner approach?
8. What are the different types of traffic ATM is intended to carry?
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