ISTQB - International Software Testing Qualifications Board Fundamentals of Software Testing Questions and Answers

Question 1

Which of the following statements best describes the difference between testing and debugging?

Accepted Answer

Testing aims to cause failures and find defects, while debugging is the process of finding, analyzing, and removing the causes of failures.

Answer

Testing is performed by developers to find defects, while debugging is performed by testers to confirm fixes.

Answer

Testing and debugging are two terms for the same activity of finding and fixing defects in software.

Answer

Debugging must be completed before any testing activities can be initiated to ensure a stable test environment.

Question 2

A testing team has been using the same set of test cases for a system for multiple release cycles. Over time, they find that these tests are no longer discovering new defects. Which testing principle does this scenario illustrate?

Accepted Answer

Pesticide paradox.

Answer

Testing is context-dependent.

Answer

Absence-of-errors fallacy.

Answer

Defect clustering.

Question 3

During which activity of the Fundamental Test Process are the overall testing objectives and test approach defined?

Accepted Answer

Test Planning and Control

Answer

Test Analysis and Design

Answer

Test Implementation and Execution

Answer

Evaluating Exit Criteria and Reporting

Question 4

A tester is reviewing the system requirements specification to check for ambiguities and contradictions before any code is written. What type of testing is being performed?

Accepted Answer

Static Testing

Answer

Component Testing

Answer

Black-box Testing

Answer

Non-functional Testing

Question 5

Which of the following is a primary objective of Acceptance Testing?

Accepted Answer

To establish confidence that the system meets the needs of the users and stakeholders.

Answer

To verify the interactions between integrated system components.

Answer

To find as many defects as possible before the software is released.

Answer

To test individual units or modules of code in isolation.

Question 6

A project manager states, "We have run all our tests and have found no errors, therefore the software is ready for release." This statement is an example of which testing principle?

Accepted Answer

Absence-of-errors fallacy.

Answer

Exhaustive testing is impossible.

Answer

Early testing saves time and money.

Answer

Testing shows the presence of defects.