It is important for assessments to align with learning objectives in order to reinforce content and lead to educational improvement. The given learning objectives helps the student anticipate what they will be expected to know for assessment.
In the brief video below, Aloha Sargent provides a tour of her online class showing how she uses a course overview page with a brief video to ensure students understand what they will be expected to know by the end of the unit and how they will demonstrate that they have learned.