Verification vs Validation

Q: What is verification?
A: Verification ensures the product is designed to deliver all functionality to the customer; it typically involves reviews and meetings to evaluate documents, plans, code, requirements and specifications; this can be done with checklists, issues lists, walkthroughs and inspection meetings.
Q: What is validation?
A: Validation ensures that functionality, as defined in requirements, is the intended behavior of the product; validation typically involves actual testing and takes place after verification are completed.

So there is a question comes in our mind what is defect and what is a bug then..
defect: It is caught by the test engineers.Any difference between the specification of the client and developped one is called defect.
Bug:When defect is raised and that defect goes to development team.After verification by the development engineers, if they agree then it becomes a bug.
Verification vs Validation Verification vs Validation Reviewed by Animesh Chatterjee on December 15, 2008 Rating: 5

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