Which two solutions should be used to validate that sales reps have completed the myTrailhead badge?

Cloud Kicks requires its sales reps to 90 through an internal certification process on myTrallhead before they add specific groups of Products to Opportunities.

Which two solutions should be used to validate that sales reps have completed the myTrailhead badge? Choose 2 answers
A . Use a validation rule on Opportunity Products to prevent a sales rep from adding Products marked as requiring the myTrailhead badge if the rep has yet to complete the badge.
B . Use a Process Builder process on Products marked as requiring the myTrallhead badge to automatically share the Products with sales reps who have completed the badge.
C . Use a validation rule on Products marked as requiring the myTrailhead badge to prevent those Products from being added to an Opportunity.
D . Use a separate once book for the Products requiring the myTrailhead badge and only share the once book with sales reps who have completed the badge-

Answer: A,B