What is black Box testing regression testing smoke testing sanity testing types of severity defect life-cycle test case and plan and some Reasoning question and test case on what’sup new chat

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Answer to a manual testing interview question covering various topics.

Black box testing is a method of testing where the tester does not have any knowledge of the internal workings of the system.
Regression testing is the process of testing the system after changes have been made to ensure that existing functionality has not been affected.
Smoke testing is a quick test to ensure that the system is stable enough for further testing.
Sanity testing is a quick test to ensure that the system is working as expected after changes have been made.
Severity is the level of impact a defect has on the system.
Defect life-cycle includes various stages such as new, open, fixed, retested, closed, etc.
Test case and plan are documents that outline the testing strategy and steps to be taken.
Whatsapp new chat can be tested by creating a new chat, sending messages, checking notifications, etc.

What is black Box testing regression testing smoke testing sanity testing types of severity defect life-cycle test case and plan and some Reasoning question and test case on what’sup new chat

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