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 26Application PreparationView All 8Exam WritingView All 8 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.