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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 31 of 43

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Q301.
What is the coverage-based test technique based on?

a.

The number of statements executed

b.

The percentage of functional requirements tested

c.

The number of instructions executed

d.

The number of paths visited

Discuss
Answer: (b).The percentage of functional requirements tested Explanation:The adequacy of testing in coverage-based test techniques is expressed in terms of the coverage of the product to be tested, for example, the percentage of functional requirements tested and the number of paths visited during the execution of a program.
Q302.
What is the control graph in the coverage-based testing?

a.

A graph representing actions

b.

A graph representing functional requirements

c.

A graph representing the number of paths visited

d.

A graph representing the number of statements executed

Discuss
Answer: (a).A graph representing actions Explanation:In coverage-based testing, the control graph represents the actions where nodes denote actions, and the (directed) edges connect actions with subsequent actions (in time).
Q303.
What is the purpose of All-Paths coverage?

a.

To traverse all possible paths of a program

b.

To exhaustively test the program

c.

To achieve 100% statement coverage

d.

To identify faults in a program

Discuss
Answer: (b).To exhaustively test the program Explanation:The All-Paths coverage aims to traverse all possible paths of a program and is equivalent to exhaustively testing the program.
Q304.
What is the All-Nodes coverage also known as?

a.

Statement coverage

b.

Branch coverage

c.

Path coverage

d.

Requirements coverage

Discuss
Answer: (a).Statement coverage Explanation:The All-Nodes coverage, also known as the statement coverage, counts the number of statements (nodes in the graph) executed.
Q305.
What does statement coverage count?

a.

The number of conditions in the control graph

b.

The number of branches in the control graph

c.

The number of statements in the program

d.

The number of paths in the program

Discuss
Answer: (c).The number of statements in the program Explanation:Statement coverage counts the number of statements in the program that have been executed during the testing process.
Q306.
What is All-Edges coverage?

a.

The coverage of all statements in the program

b.

The coverage of all branches in the control graph

c.

The coverage of all nodes in the control graph

d.

The coverage of all possible paths in the program

Discuss
Answer: (b).The coverage of all branches in the control graph Explanation:All-Edges coverage, also known as branch coverage, requires that at each branching node in the control graph, all possible branches are chosen at least once.
Q307.
What is multiple condition coverage?

a.

The coverage of all statements in the program

b.

The coverage of all branches in the control graph

c.

The coverage of all possible combinations of elementary predicates in conditions

d.

The coverage of all nodes in the control graph

Discuss
Answer: (c).The coverage of all possible combinations of elementary predicates in conditions Explanation:Multiple condition coverage requires that all possible combinations of elementary predicates in conditions be covered by the test set.
Q308.
What is McCabe's cyclomatic complexity metric used for in testing?

a.

To count the number of statements in the program

b.

To count the number of branches in the control graph

c.

To calculate the number of linearly-independent paths in the control graph

d.

To calculate the number of nodes in the control graph

Discuss
Answer: (c).To calculate the number of linearly-independent paths in the control graph Explanation:McCabe's cyclomatic complexity metric is used to calculate the number of linearly-independent paths in the control graph. It is a basis set, which is a maximal linearly-independent set of paths through a graph.
Q309.
What is the definition of dataflow analysis in software testing?

a.

A method of testing how variables are treated along execution paths in a program

b.

A method of testing the control graph of a program

c.

A method of optimizing machine register allocation

d.

A method of testing the definition and use of variables

Discuss
Answer: (a).A method of testing how variables are treated along execution paths in a program Explanation:Dataflow analysis is defined as a method of testing how variables are treated along execution paths in a program.
Q310.
What is the definition of a definition-clear path in dataflow analysis?

a.

A path where a variable is not assigned a new value

b.

A path where a variable is assigned a new value

c.

A path where a definition is used

d.

A path where a definition is not used

Discuss
Answer: (a).A path where a variable is not assigned a new value Explanation:A definition-clear path is defined as a path where a variable does not get assigned a new value at some intermediate node.
Page 31 of 43

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