This article describes an infrastructure that is being deployed across a university to enable teachers to conduct online exams for their courses. Two examination experiences are described, one corresponding to an open book examination on the University's computers and the other corresponding to an examination involving the use of software on students' computers. The performance of the students from the first experiment is analyzed to evaluate the impact of the online format compared to the paper format. The opinions of the students of the second experiment are collected to analyze their feelings regarding the BYOD format. The results provide significant and interesting indications for the development of eassessment.