Difference between verification and validation?

Answer Posted / romie

Verification: It is a process of confirming that software
meets its specification. It involves reviews and meetings to
evaluate document, plan, code, requirement and
specifications. This is done using the checklists, issue
lists, walkthroughs and inspections.

Validation: It is a process of confirming that software
meets user's requirement. It is actual testing which takes
place after the verification is complete (code is complete).

Verification and validation go hand in hand. Every
verification activity have a corresponding validation
activity. Code verification/validation, functional,
integration verification/validation. Test case, plan and log
are used in the various phases of validation process. All
testing methods are used in validation process.

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