What is difference between verificaton and validation?

Question

Accepted Answer

Verification ensures the product is built right, while validation ensures the right product is built.

Verification focuses on whether the software meets the specified requirements.
Validation focuses on whether the software meets the customer's needs and expectations.
Verification is done through reviews, walkthroughs, and inspections.
Validation is done through testing, user feedback, and acceptance criteria.
Example: Verification would involve checking if a login page has all required fields, while validation would involve testing if the login page allows successful login for users.

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