Definitions

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Term  Definition 
big-bang' integration testing

all components or systems are integrated simultaneously, after which everything is tested as a whole.


Confirmation Testing /
 Re-testing		 Re-execute tests that previously failed in order to confirm a fix

Regression Test

Testing conduct to validate that defect fixes and enhancements have not introduced any defects to the existing system


Test Suite

Test Suit is a logical collection of test cases which naturally work together. Test suites often share data and a common high-level set of objectives.

Validation 
 Evaluating a work product, component or system to determine whether it meets the user needs and requirements. Validation focuses on the question 'Is the deliverable fit for purpose, e.g. does it provide a solution to the problem?'

VerificationEvaluating a work product, component or system to determine whether it meets the requirements set. Verification focuses on the question 'Is the deliverable built according to the specification?'.















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