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What's the SDLC models- waterfall and v-models?

Software QA/Testing Technical FAQs

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What's the SDLC models- waterfall and v-models?

In large scale company first of all they are followed waterfall method. now days mostly companies are following V models.
model - means the testing involvement starts from the design state itself & continues till system test.
Phase Testing
Requirements - review
design - review
then testing phases starts.
So, like this testing makes a perfect V. so we call it V model.
Indicate the flow of activities in the V-model, please look at:
Test Process in the V-model

The waterfall is the General concept of all the models and most of the project based companies use V-Model. Testing will be involved from the requirements phase till the User Acceptance Test.

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