Top 10 Smoke Testing Interview Questions and Answers

Updated 13 Jul 2025

Asked in Northcorp Software and 5 others

5d ago

Q. What are smoke and sanity tests?

Ans.

Smoke sanity is a quick test to ensure that the basic functionalities of an application are working fine.

  • It is a subset of regression testing

  • It is performed after every build to ensure that the build is stable

  • It checks if the application can be launc...read more

Asked in Babel Media

6d ago

Q. Define smoke and sanity testing.

Ans.

Smoke testing is a quick and shallow test to check if the basic functionalities of the software are working. Sanity testing is a subset of regression testing that checks if the bugs have been fixed and the new changes have not introduced new bugs.

  • Smo...read more

Asked in INDIUM

2d ago

Q. What is the difference between smoke testing and regression testing?

Ans.

Smoke testing is a quick check to verify if the build is stable enough for further testing, while regression testing is a comprehensive testing to ensure that changes made to the software did not affect the existing functionality.

  • Smoke testing is don...read more

Asked in Motorola

2d ago

Q. What are the differences between sanity and smoke testing?

Ans.

Sanity and Smoke are types of testing in software QA.

  • Smoke testing is a quick test to check if the build is stable enough for further testing.

  • Sanity testing is a subset of regression testing and checks if the critical functionalities of the applicati...read more

Are these interview questions helpful?

Q. Why do we perform smoke testing?

Ans.

Smoke testing is performed to quickly assess the stability of a software build.

  • To ensure that the critical functionalities of the software are working as expected

  • To identify major issues or showstopper bugs early in the testing process

  • To verify if th...read more

2d ago

Q. Explain Smoke testing and Sanity testing with examples.

Ans.

Smoke testing and Sanity testing are two types of software testing used to check the basic functionality of the application.

  • Smoke testing is a type of testing that checks whether the critical functionalities of the application are working fine or not...read more

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1d ago

Q. Explain Regression Testing and Smoke Testing.

Ans.

Regression testing ensures new code changes do not adversely affect existing functionality. Smoke testing verifies basic functionality.

  • Regression testing involves retesting existing functionality to ensure new code changes have not introduced bugs or...read more

Asked in UBS

3d ago

Q. Smoke vs Sanity difference

Ans.

Smoke refers to physical substance while sanity refers to mental state.

  • Smoke is a visible suspension of carbon or other particles in the air, while sanity refers to a person's mental state.

  • Smoke can be harmful to health, while sanity is important for...read more

Asked in Singsys Pte

4d ago

Q. What is the main purpose of smoke testing?

Ans.

Smoke testing is a preliminary testing technique to quickly identify major issues in a software build.

  • Smoke testing is performed to ensure that the critical functionalities of the software are working as expected.

  • It is a high-level testing that focus...read more

Q. What is smoke/sanity testing?

Ans.

Smoke testing is a quick and shallow test to ensure the basic functionality of the software. Sanity testing is a subset of regression testing that checks if the bugs have been fixed and no new issues have been introduced.

  • Smoke testing is performed to...read more

Q. Smoke Testing vs Regression Testing

Ans.

Smoke testing is a quick test to check if the software build is stable, while regression testing is a thorough test to ensure new changes haven't affected existing functionality.

  • Smoke testing is done to check if the critical functionalities of the so...read more

Q. Explain Smoke Testing thoroughly.

Ans.

Smoke testing is a preliminary testing to check if the software build is stable enough for further testing.

  • Smoke testing is a subset of regression testing.

  • It is performed to verify if the critical functionalities of the software are working fine.

  • Smok...read more

Q. Explain the difference between smoke testing and sanity testing.

Ans.

Smoke testing is a subset of regression testing, while sanity testing is a subset of acceptance testing.

  • Smoke testing is done to check if the critical functionalities of the software are working fine after changes.

  • Sanity testing is done to check if t...read more

5d ago

Q. What is the meaning of smoke testing?

Ans.

Smoke testing is a preliminary testing to check if the software build is stable enough for further testing.

  • Smoke testing is a quick and shallow testing of the main functionalities of the software.

  • It is usually done before more in-depth testing to cat...read more

3d ago

Q. Smoke Testing vs Sanity Testing

Ans.

Smoke testing is a basic test to check if the software is stable for further testing, while sanity testing is a narrow and deep test to check specific functionalities.

  • Smoke testing is a shallow and wide test to ensure basic functionality works after ...read more

Asked in Cogniwize

4d ago

Q. What are smoke and sanity tests, and how do they differ from each other?

Ans.

Smoke testing is a quick test to check if the build is stable, while sanity testing is a more thorough test to check specific functionalities.

  • Smoke testing is a preliminary test to ensure the build is stable enough for further testing.

  • Sanity testing ...read more

2d ago

Q. Explain smoke testing and sanity testing.

Ans.

Smoke testing and sanity testing are types of software testing used to quickly assess the stability of a build.

  • Smoke testing is a preliminary test to check if the critical functionalities of the software work without any major issues.

  • Sanity testing i...read more

5d ago

Q. Explain smoke and sanity testing with examples.

Ans.

Smoke testing is a quick test to check if the basic functionalities of the software are working, while sanity testing is a more focused test to check specific areas of the software.

  • Smoke testing is performed to ensure the stability of the software bu...read more

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