网络考试系统中防止U 盘作弊方法研究.pdf

软件天地
Software Technology
网络考试系统中防止 U 盘作弊方法研究
严强
(苏州市广播电视大学, 江苏苏州 215004)
摘要: 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。
关键词: 网络考试; 客户端; U 盘作弊; USB 端口监视
中图分类号: TP319 文献标识码: B 文章编号: 1674-7720(2011)02-0012-03
Network examination system to prevent U dish cheating method research
Yan Qiang
(Suzhou Radio and TV University, Suzhou 215004 ,China)
Abstract: More and more colleges and universities, teaching and training institutions and various social examination, using a
network test, online examinations and other forms work test paper examination. However, many examination candidates to pre -
vent the system itself does not have the use of U disk and other removable storage devices to cheat function. This system is in-
volved in the function to plish this, the candidate once inserted U disk or other removable storage device, the system displays
a particular interface immediately lock the screen to prohibit all possible keyboard. This state will remain the invigilator in the ex-
amination of the candidates until the machine unlocked.
Key words: Network examination; client; U disk cheating; USB port monitoring
无纸化考试系统的模式通常有单机版模式模
、C/S 1 系统功能要求
式和模式三种无认哪种模式均要有客户端而考系统要能识别从计算机任何一个端口接入
B/S , , (1) USB