How is this continuing education program evaluated (e.g., graded)?

In order for participants to complete (e.g., "pass") the certificate program, they must complete all listed requirements, which includes receiving a passing score on quizzes/post-tests and completing evaluations. The quizzes/post-tests include a few multiple-choice and true-false questions that cover the course content. The certificate itself is not graded: Participants either complete or do not complete.