网络考试系统中防止U盘作弊方法研究

目前越来越多的高校、教学培训机构和各种社会考试,采用了网络考试、网络在线考试等网络考试形式的无纸化考试.然而许多考试系统自身尚不具备防止考生使用U盘等移动存储设备作弊的功能.本文所涉及的系统能完善这样的功能,考生一旦插入了U盘或其他移动存储设备后,系统立即显示一个特殊的界面锁住屏幕,禁止一切可能的键盘操作.这种状态将一直保持到监考老师在该考生的考试机上解锁为止.

Network examination system to prevent U dish cheating method research

More and more colleges and universities,teaching and training institutions and various social examination,using a network test,online examinations and other forms of network test paper examination. However,many examination candidates to prevent the system itself does not have the use of U disk and other removable storage devices to cheat function. This system is involved in the function to accomplish this,the candidate once inserted U disk or other removable storage device,the system displays a particular i...