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Welcome to the Software Testing MCQs Page

Dive deep into the fascinating world of Software Testing with our comprehensive set of Multiple-Choice Questions (MCQs). This page is dedicated to exploring the fundamental concepts and intricacies of Software Testing, a crucial aspect of Software Engineering. In this section, you will encounter a diverse range of MCQs that cover various aspects of Software Testing, from the basic principles to advanced topics. Each question is thoughtfully crafted to challenge your knowledge and deepen your understanding of this critical subcategory within Software Engineering.

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Check out the MCQs below to embark on an enriching journey through Software Testing. Test your knowledge, expand your horizons, and solidify your grasp on this vital area of Software Engineering.

Note: Each MCQ comes with multiple answer choices. Select the most appropriate option and test your understanding of Software Testing. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

Software Testing MCQs | Page 34 of 43

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Q331.
What is the assumption underlying the error seeding technique?

a.

That both real and seeded faults have the same distribution

b.

That the program will be independently tested by two groups

c.

That the faults found by the first group will be considered seeded faults for the second group

d.

That faults thought up by one person will not have been thought up by the person who wrote the software

Discuss
Answer: (a).That both real and seeded faults have the same distribution Explanation:One of the assumptions underlying the error seeding technique is that both real and seeded faults have the same distribution.
Q332.
What is a not very satisfactory technique for determining which faults to seed in the program?

a.

Having the program independently tested by two groups

b.

Constructing the faults by hand

c.

Finding a strong linear relationship between the number of defects

d.

Observing many seeded faults and relatively few others

Discuss
Answer: (b).Constructing the faults by hand Explanation:One technique for determining which faults to seed in the program is to construct them by hand, but this is considered to be not very satisfactory as it is unlikely that very realistic faults can be constructed in this way.
Q333.
What is a useful rule of thumb for the technique of having the program independently tested by two groups?

a.

If many seeded faults and relatively few others are found, the result can be trusted

b.

If during testing of a certain component, many faults are found, it is a positive sign

c.

If a strong linear relationship is found between the number of defects, the result can be trusted

d.

If the faults found by the first group are considered seeded faults for the second group, the result can be trusted

Discuss
Answer: (a).If many seeded faults and relatively few others are found, the result can be trusted Explanation:A useful rule of thumb for the technique of having the program independently tested by two groups is that if many seeded faults and relatively few others are found, the result can be trusted.
Q334.
What is the relationship between the number of defects discovered during early phases of development and the number of defects discovered later?

a.

A positive relationship

b.

A negative relationship

c.

A strong linear relationship

d.

No relationship

Discuss
Answer: (c).A strong linear relationship Explanation:A strong linear relationship has been observed between the number of defects discovered during early phases of development and the number of defects discovered later. This means that the number of defects found early on is directly proportional to the number of defects found later on.
Q335.
What is the purpose of mutation testing?

a.

To find the correct results of a program

b.

To generate variants of a program and test their results

c.

To evaluate the quality of a test set

d.

To determine the number of live mutants

Discuss
Answer: (c).To evaluate the quality of a test set Explanation:In mutation testing, a number of variants of a program are generated and tested using a given test set. The results of the test set are used to determine the quality of the test set by determining the number of live mutants, which is referred to as the mutation adequacy score.
Q336.
How are mutants generated in mutation testing?

a.

By mechanically applying a set of simple transformations

b.

By manually changing the program code

c.

By using a specialized tool

d.

By testing the program multiple times

Discuss
Answer: (a).By mechanically applying a set of simple transformations Explanation:In mutation testing, mutants are generated by mechanically applying a set of simple transformations called mutation operators. These mutations slightly differ from the original version of the program.
Q337.
What does a low quality test set indicate in mutation testing?

a.

A high number of dead mutants

b.

A high number of live mutants

c.

A high number of equivalent mutants

d.

A high number of total mutants

Discuss
Answer: (b).A high number of live mutants Explanation:In mutation testing, if a test set leaves many live mutants, then it is considered to be of low quality since it is not able to discriminate between all kinds of variants of a given program. The mutation adequacy score is calculated based on the number of dead mutants.
Q338.
What are the two major variants of mutation testing?

a.

Strong mutation testing and average mutation testing

b.

Weak mutation testing and average mutation testing

c.

Strong mutation testing and weak mutation testing

d.

Strong mutation testing and aggressive mutation testing

Discuss
Answer: (c).Strong mutation testing and weak mutation testing Explanation:There are two major variants of mutation testing, strong mutation testing and weak mutation testing.
Q339.
In strong mutation testing, what is required for the tests to produce?

a.

Different results for program P and its mutant P0

b.

Same results for program P and its mutant P0

c.

Different results for component T and its mutant T0

d.

Same results for component T and its mutant T0

Discuss
Answer: (a).Different results for program P and its mutant P0 Explanation:In strong mutation testing, tests are required to produce different results for program P and its mutant P0.
Q340.
In weak mutation testing, what is required for the tests to produce?

a.

Different results for program P and its mutant P0

b.

Same results for program P and its mutant P0

c.

Different results for component T and its mutant T0

d.

Same results for component T and its mutant T0

Discuss
Answer: (c).Different results for component T and its mutant T0 Explanation:In weak mutation testing, tests are only required to produce different results for component T and its mutant T0.
Page 34 of 43

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