In the recent years many advances have been made in the mechanism of providing on-line instruction, thus the need for security is growing. To achieve a good level of security, there are many important elements that must be taken into account: authentication, access control, data integrity. In...

For globally expanding organizations, applications generate dynamic workflows with frequent changes in database access models (write, read) at different sites. In those situations a dynamic process to solve the requests on the site where were generated is recommended. The innovation consists in...

The security risks introduced by the e-learning represent an important issue which was not seriously taken into account in the actual educational context, where increasingly more people are taking online courses. Also, universities and other organizations are resorting to e- learning to provide...

Security issues are complex, and the risks of cyber crime are often difficult to stipulate, even for experts. The issues presented in this article try to be formed in a contribution to the consolidation of problems in the field of computer arhitecture cyber security. Fault tolerance is the best...

The information and communication led to the formation of human society, which explains the strong relationship between society and information. From the applied informatics point of view, the ratio between data and information, as first level, offers the possibility of obtaining knowledge from...

Over the past years, e-learning portals helped teachers to streamline learning process, users to decrease associated costs involved in traditional learning process and in this way customer satisfaction was increased and the impact of this teaching method increased worldwide. In this paper we...

Over the past years, e-learning portals helped teachers to streamline learning process, users to decrease associated costs involved in traditional learning process and in this way customer satisfaction was increased and the impact of this teaching method increased worldwide. Web servers are a...