You are booked for an exam and are preparing to write the exam. In order for you to be able to successfully write your exam, you need to track your progress to ensure that ALL the sections in your PoE have been 100% completed. 

The easiest way to do this, is to check the Completion Checklist at the top of your PoE. Have a look at this short video explaining how you can check that everything has been done and been submitted: