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EN
Mobile telephony is commonly used, not only for speech transmission, but also for data transmission. Data transmission through GSM networks creates new opportunities for using laptops, palmtops, mobile telephones as new platform for reaching the Internet. The creation of application and services for mobile devices, as well as doing business and information exchange via these services has been defined as m-commerce.
PL
Telefonia komórkowa jest powszechniej stosowania, nie tylko do transmisji mowy, ale również do transmisji danych. Komputery przenośne, palmptopy, dzięki możliwości transmisji danych za pomocą sieci GSM z dowolnego miejsca, stały się nowymi urządzeniami dostępowymi do sieci Internet. Tworzenie aplikacji i serwisów dedykowanych dla urządzeń mobilnych, oraz realizowanie transakcji i przepływ informacji dzięki wykorzystaniu tych serwisów, zostało określone jako pojęciem m-commerce.
EN
Security of data is the most im portant factor in doing e-buissness today. Risk associated with loss of or compromise the data depends on the data type. Defining users’ permission for different type of data is the core in network security planning and is based on identity of users. Eliminating potential threats to illegitimate access to resources could elevate security. This article presents risks, advantages and features of PKI in the field of users identity.
EN
Remote desktop services make it possible to maintain from a distance the computers: workstations and servers, also support launching new applications for thin clients computers as well as enable cooperation between an administrator and user through the terminal session or user’s desktop takeover. Remote desktop services are highly functional and available in different forms. Some of its functions may support and enhance the education process with different efficiency according to the chosen educational model (including distance education).
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