Because the practice of various professions may affect the public interest or the safety of members of the public or of their property, licensing is compulsory for such activities. Therefore success in these exams is crucial for individuals 'career development.
弔詭的是，傳統上，考試院傾向以「限制錄取人數」作為「把關」專業品質的手段，用「申論式」題型測驗專業知識，以致考生也得背誦法規、練習模擬試題（考古題）。