Which of the following is/are the types of testing?

Which of the following is/are the types of testing? Correct Answer All of the options

Concept:

Regression Testing

It is defined as a type of software testing to confirm that a recent program or code change has not adversely affected existing features. Regression Testing is nothing but a full or partial selection of already executed test cases which are re-executed to ensure existing functionalities work fine

Smoke Testing 

It is a software testing technique performed post software build to verify that the critical functionalities of software are working fine. It is executed before any detailed functional or regression tests are executed.

Stress testing

It is a software testing activity that determines the robustness of software by testing beyond the limits of normal operation. Stress testing is particularly important for "mission critical" software, but is used for all types of software

Hence Option 4 is correct

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