What is retest and regression testing ?, Difference between authentication and authorization, Black box testing, functionality testing, UAT, STLC, Bug life cycle, Bug tracking tool, traffic light scenario,

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Retest testing is done to ensure that the defects found in the previous testing cycle have been fixed.
Regression testing is done to ensure that the changes made to the software do not have any adverse effects on the existing functionality.
Authentication is the process of verifying the identity of a user, while authorization is the process of granting access to specific resources or functionalities based on the user's identity.
Black box testing is a testing technique where the tester does not have any knowledge of the internal workings of the software.
Functionality testing is done to ensure that the software meets the functional requirements specified in the requirements document.
UAT or User Acceptance Testing is done by the end-users to ensure that the software meets their requirements and is ready for deployment.
STLC or Software Testing Life Cycle is the process of testing the software from the planning phase to the deployment phase.
Bug life cycle is the process of identifying, reporting, fixing, and verifying defects in the software.
Bug tracking tool is a software application used to track and manage defects found during testing.
Traffic light scenario is a testing technique where the tester uses the traffic light colors (red, yellow, green) to indicate the status of the test case.

What is retest and regression testing ?, Difference between authentication and authorization, Black box testing, functionality testing, UAT, STLC, Bug life cycle, Bug tracking tool, traffic light scenario,

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