说明：  是一个C/S架构的考试系统及其相应的信息管理模块。服务器端包括：网络连接控制；客户端登陆验证、分数提交、登陆信息导入、导出、和修改；客户端包括：随机抽题算法、网络连接保持、登陆确认、分数提交。
(Is a C/S structure of the examination system and its corresponding information management module. Server-side include: network connection control client-side login validation, scores submitted, landing information import, export, and modify clients include: Random Questions algorithms, network connections to maintain, landing confirmed that scores be submitted.)