Fault tolerant on-line examining engine for primary and secondary schools

In this article an on-line student examining system is presented. The system was developed for use in primary and secondary schools in Poland and features a connection fault tolerant examining engine supporting a wide range of possibilities for presenting questions and answers. System was successfully deployed as a part of “e-egzamin” project which took place in September 2011, during its course more than 3000 students from 82 schools in Poland successfully completed the exam.