Trading with electrical power is not the domain of few, chosen economic subjects anymore. My thesis describes in details contracts of this useful commodity. Rules of trade are determined by energy branch of an exchange. The same case is as well Power Exchange Central Europe, which determines commodity contracts and defines particular parameters and rules of trading. Part of the thesis is dealing with possible market positions and provides a product overview of energetic commodity. Final results of trading at PXE in recent years are analyzed and compared with real contracts on German exchange market. The end is focused on possible purchasing strategies of electrical power.

Workshop "Netz- und Service-Infrastrukturen" Ein Backupsystem für das Backup inhomogener Umgebungen. Das komplette Betriebssystem wird gesichert, und kann wiederhergestellt werden. Haupteinsatz derzeit im Root-Lab, um eine Mehrfachnutzung der Rechner des Labors sicherzustellen.

ABSTRACT Theme of the thesis is the design method of anti-virus protection with the use of an alternative boot store. Processed is a related issue of viruses and the possibility of defenses against them. This thesis is focused on the design and selection of components solutions enabling the execution of antivirus test from the undistorted by the operating system. With selected components continues to realize an alternative booting the operating system from a Windows platform computer network with automatic virus checking of all local disks. The results of inspection are transmitted using signed files on a network server and typically give an overview of the results of the individual tests.

Workshop "Netz- und Service-Infrastrukturen" Ein Backupsystem für das Backup inhomogener Umgebungen. Das komplette Betriebssystem wird gesichert, und kann wiederhergestellt werden. Haupteinsatz derzeit im Root-Lab, um eine Mehrfachnutzung der Rechner des Labors sicherzustellen.

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