After the exam you have to write the mandatory exam (take-home or sit-in exam; depends on course).
Regular exam (60 - 120 minutes) on a fixed date. Usually, the exam takes place within one week after the end of the course.
For details see course directory (or syllabus).
On the last day of the course, you get the exam/question(s) and a certain time-window to hand in your result (by e-mail).