In the PMI methodology, the product scope answers the question "what should the product do once it is completed" while the project scope to the question "which activities will have to be carried out during the project".
For example, the creation of a product maintenance plan after the release can be part of the project scope but it is not part of the product scope.
In terms of project evaluation, let's say that the results of the product scope are measured against requirements, while the results of the project scope against the project plan
We also explain these last two concepts: when you have to determine if the project has finished the required product, you have to evaluate the product requirements, product scope. Note that n errors and dkverse dedinizkli can occur