Any course in Moodle.
A teacher and a student.
1. Login as a teacher and add a lesson activity.
2. On the lesson edit settings form look for "Linked media" under Appearance
3. Drag and drop a file onto the file manager Linked media
4. Click 'Save changes'.
5. Add a question page.
6. Preview the lesson. Check that there is a link to your file under "Linked media". It appears above the navigation block and can be a little hard to find.
7. Click on the file link and check that the link works.
8. Login as a Student and verify that the file is correct.