The test package is delivered on-line; i.e. you browse feast web server which serves you the tests. The score is recorded online and is private. Ansps have different requirements , so you may pass with a lower score depending on the ansp requirements. Since eurocontrol selection is open to all eu and they pay your trip there it is more likely for them to have the best of the best, thus there is more likely for them to select someone who passes feast at maastricht rather than someone who passed it with an ansp.