$1.$ Explain why the quality of a plan$/$schedule is only as good as the information on which it is based.

$2.$ What types of documents are reviewed to help prepare data inputs for a project schedule? List at least $10$ types of documents.

$3.$ How often should a schedule be updated?

$4.$ What is meant by critical path and how is it used in scheduling?

$5.$ How can you determine if your project is on$-$schedule, behind$-$schedule, or ahead$-$of$-$schedule?