介绍了利用校园网实现无纸化考试的系统构成、设计思想以及网络服务器和工作站的有关配置；
This article introduces the constitution, designing thought, network server of the no paper test system based on campus wide network and the configer for the workstation.
服务器的安全设置能保证考试系统正常的运行以及程序代码的保密，防止访问者用非法途径破坏考试系统。
The security configure of server make sure the examination system well run and the program code safety, and it inhibit some users to destroy the examination system through illegal ways.
第四章给出了网络考试系统安全模型，设计并实现了OTP核心算法、软令牌以及OTP认证服务器。
The fourth chapter gives the security model in the network exam system, designs and implements the core algorithm of OTP, soft token and OTP authentication server.
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