大部份的線上考試系統只提供單選題、複選題、問答題等文字模式的考試方式。為了改善上述問題，本研究以軟體工程線上考試系統為例，在系統中整合多種線上編輯元件，實作了線上編輯UML、數學方程式、程式碼、資料圖表等不同型態的考試方式，讓線上考試系統不再局限於文字模式的考試方式。除此之外，教師在學生進行線上考試時需要對學生進行系統操作的示範，為滿足此需求，本研究整合了Red5 Media Server 影像串流平台，讓線上考試系統可將教師電腦螢幕上的畫面，廣播給正在線上考試的學生觀看。同時為了增加線上考試系統與異質平台的溝通與整合能力，本研究應用對稱式密鑰加密法(Symmetric Key Encryption)、非對稱式密鑰加密法(Asymmetric Key Encryption)、雜湊函數(Hash Function)、數位簽章(Digital Signature)等技術實作了考試資料查詢服務，讓線上考試系統具備安全的資料交換介面。Most of online examination systems only provided textual mode questions like multiple choice/choices questions, short answer questions. In order to improve this issue, we integrated a variety of online edit components into our online examination system including UML(Unified Modeling Language), mathematical equations, programming code, data sheet editors…etc. With this various types of examination edit components, online examination no longer limited to textual mode examination.During the online examinations, demonstration for students about how to operate this system is necessary. In order to fit this need. Our system integrates Red5 Media Server streaming platform. Teacher can broadcast the streaming ofthe desktop operations to those students who is doing their online examination.For the compatibility of communication across different platforms, we apply Symmetric Key Encryption, Asymmetric Key Encryption, Hash Function and Digital Signature on our online examination query services that enhances information security in online examination system.
