Download JNTUH MCA 5th Sem R15 2018 June-July 825AH Software Testing Methodologies Question Paper

R15

Code No: 825AH

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JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

MCA V Semester Examinations, June/July - 2018

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SOFTWARE TESTING METHODOLOGIES



Time: 3 Hours

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Max. Marks: 75


Note: This question paper contains two parts A and B.

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Part A is compulsory which carries 25 marks. Answer all questions in Part A. Part B
consists of 5 Units. Answer any one full question from each unit. Each question carries
10 marks and may have a, b, c as sub questions.

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PART - A

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5 ? 5 Marks = 25

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1.a)

Explain different types of loops and related bugs with examples.

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[5]

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b)

What are the components of a data flow model? Explain.

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[5]

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c)

What is meant by domain dimensionality?

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[5]

d)

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Distinguish between path sums and path products.

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[5]

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e)

Discuss about the matrix operations in tool building.

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[5]

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PART - B

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5 ? 10 Marks = 50

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2.a)

How control and sequence bugs can be caught? Explain their consequences.

b)

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Explain about simple independent and co-related predicates.

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[5+5]

OR

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3.a)

Discuss about the bugs related to internal and external interfaces and its consequences.

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b)

What is the use of link counters in path testing? Explain.

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[5+5]



4.a)

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What are data flow anomalies? Discuss them with examples.

b)

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Discuss about transaction flow testing and its significance.

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[5+5]

OR

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5.a)

Compare different data flow testing strategies.

b)

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What are the applications of transaction flow testing? Discuss.

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[5+5]

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6.

Explain the following domain boundaries with examples.

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a) Linear & Non-linear

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b) Nice & Ugly

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[5+5]

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OR

7.

With examples, explain the applications of the following with respect to testing.

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a) Regular Expressions

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b) Flow anomaly detection

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[5+5]

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8.a)

How Boolean expressions can be used in test case design? Explain.

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b)

Discuss about the contradictions and ambiguities in specifications.

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[5+5]

OR

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9.a)

What are state graphs? What kind of bugs can cause state graphs? Explain.

b)

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With an example, explain the process of converting a specification into a state graphs.

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[5+5]

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10.a) What are the benefits of using tools in software testing? Discuss.
b) What is the power of a matrix in Graph representation? Explain.

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[5+5]

OR

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11.a) How does Win runner recognize objects in an application? Explain.
b) What are the merits and demerits of different graph matrix representations? Discuss.[5+5]

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