Frequently Asked Questions Applying to write the CDECB Examination? Here are some of the frequently asked questions that we have received about applying to write the CDECB Examination. Search for answers or browse by category below. QualificationsView All 28Credit PortfolioView All 5Application PreparationView All 16Online Exam WritingView All 52 Interested in Becoming a CDE®? Learn How For Further EnquiriesSend Us a Message We want to hear from you. Please send us your questions, comments or feedback.