自己用PHP+MYSQL做的网络考试系统，里面有对于客观题的自动判卷以及主观题的老师判卷功能！-Their own to do with PHP+ MYSQL Network Test System, which has the theme of Auto-graders for the objective and subjective questions of the teacher graders features!

tcpjack为强占TCP连接的指令。在确立主客之间TCP连接的状态的时后，对于服务器和客端，可以从第三者的主机查看是否有送达的TCP资料段。-TCP connection for the seizure of tcpjack directives. Between subjective and objective in establishing the state of TCP connections after, for servers and clients from third-part