Allstate ETL Tester Interview Questions and Answers

Regression testing is the process of testing changes made to a software application to ensure that existing functionality still works.

• It is performed after making changes to the software

• It ensures that existing functionality is not affected by the changes

• It helps to identify any new defects introduced by the changes

• It can be automated to save time and effort

• Examples include testing after bug fixes, new feature addition

Smoke testing is a preliminary testing technique to check if the critical functionalities of the software are working fine.

• It is a quick and shallow testing technique

• It is performed to ensure that the build is stable enough for further testing

• It is usually performed after every build

• It helps in identifying critical defects early in the testing cycle

• Example: Testing the login functionality of a website after a new build