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JUP – 055

*JUP055*

III Semester M.E. (Software Engg.) Degree Examination, Jan./Feb. 2014 (2K8 Scheme) SOFTWARE ENGINEERING SE – 31 : Software Testing and Reliability Time : 3 Hours

Max. Marks : 100

Instruction : Answer any 5 full questions. 1. a) What is state classification and limiting distributions ? Explain the different state classifications. b) Explain any five structural testing techniques.

10 10

2. a) Explain Birth and Death process of Markov chains.

10

b) Write a note on two-stage tandem network with independent service times. 3. a) Write any five test cases and give examples for each test cases.

10 10

b) Explain decision table based testing with example.

10

4. a) Explain SRN model of extended system.

10

b) Describe transient state and recurrent state in Markov chains.

10

5. a) Write a note on composition and encapsulation issues and explain levels of object oriented test. b) Explain non-birth-death processes and absorbing states in Markov chains. 6. a) Explain object oriented integration and system testing with example.

10 10 10

b) Prove that every Graph G = (V, E) has at least [V] – [E] connected components.

10

7. a) Briefly explain continuous time Markov chains.

10

b) Describe Markov Modulated Bernoulli process.

10

8. Write a short notes on the following : a) Cause effect graph b) Closed queuing networks c) Execution testing d) GUI testing. ———————

(4×5=20)