Download JNTUA M.Tech 1st Sem 2018 Aug-Sept 9D08104 Protocol Software Engineering Question Paper

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Code: 9D08104

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M.Tech I Semester Supplementary Examinations August/September 2018

PROTOCOL SOFTWARE ENGINEERING

(Computer Networks)

(For students admitted in 2013, 2014, 2015 & 2016 only)

Time: 3 hours

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Max. Marks: 60

Answer any FIVE questions

All questions carry equal marks

1. (a) What is OSI model? Explain.
   (b) Which of the OSI layers handle each of the following:
   1. Dividing the transmitted bit stream into frames.

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   2. Determine which route through the subnet to use.
   3. What are the reasons for using layered protocols?
2. (a) Explain the components of a protocol specified by formal methods with the help of a neat diagram.
   (b) Briefly explain HOLC protocol.

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3. What are the characteristics of architectural design and when describing a system, explain why it is important to design the system architecture before the requirements specification is complete.
4. Explain abstract syntax notation & enunciate the standard ASN encoding rules like basic encoding rules (BER), packed encoding rules (PER).
5. Illustrate security protocol specification languages and network protocol specification languages.
6. (a) What is conformance testing & why do we need conformance testing.
   (b) Describe finite state machine & explain the concepts of FSM.

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7. (a) Explain the protocol synthesis technique by using global state transition graph.
   (b) List the concepts of protocol Synthesis.
8. (a) Abbreviate the following: (i) PICS. (ii) PI&IT. (iii) OSINET. (iv) ESTELLE. (v) TTU.
   (b) Explain that PI&IT together with PICS forms the basis for a conformance test.

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