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Asterisk VoIP private branch exchange and its distributions
Melichar, Ondřej ; Komosný, Dan (referee) ; Papež, Nikola (advisor)
This master’s thesis delves into the possibilities of the open-source Private Branch Exchange Asterisk, elaborates on its features and compares it with several other distros. The term SIP stack is explained here with the mention of two of its representatives. Further in the thesis, the security risks of the VoIP technology are explained, and specific attacks are described and then realized. As a part of the testing process, the possibilities of a custom module and its following implementation are explored, as well as the portability between the individual distros and its proper functioning.
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Proposal of Part of Information System for Selected Subject
Liebscher, Tomáš ; Richter, Vít (referee) ; Luhan, Jan (advisor)
The diploma thesis deals with the analysis and selection of a suitable information system for selected company. The information system is selected according to the company's requirements and helps to streamline business processes. I will analyze individual information systems on the market and select the one that most closely matches the set criteria and requirements. I will then propose how to implement e-commerce and how to communicate with each other. At the end, an economic assessment is made.
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Information System Selection
Odehnal, Ondřej ; Husseinová, Antonie (referee) ; Koch, Miloš (advisor)
Master thesis deals with the selection of a suitable information system for company ELKOV elektro a.s., which deals with the sale of electronic material and luminaries. A Suitable system is selected using rough and fine selection according per company's requirements. The thesis also contains timetable for implementation and economic evaluation.
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Management and Monitoring System for Computer Lab
Kudláček, Marek ; Zeman, Kryštof (referee) ; Mašek, Pavel (advisor)
This master's thesis deals with a system for PC mass management and monitoring. There is a brief description of Puppet, Chef and Ansible, which are tools enabling this functionality. The overall system issues are solved by Ansible. This thesis also includes a script created for a classroom’s remote management according to a beforehand fixed assignment. The system enables remote installation and configuration of applications, creation of users, editing the files, update of the system and many more. A web application was created for this system. Through this application, the system can be controlled via web browser, both from local and public network. Practical examples of the issue dealt with is also part of the thesis.
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ICT Selection
Langer, Tomáš ; Ing.Marek Čačka (referee) ; Koch, Miloš (advisor)
Bachelor's thesis deals analysis, selection and implementation of information system for selection company. The requirements of company are important for selection new information system. I choose one of offer information system on the market which is same as company´s requirements. After I am going to suggest implementation procedure and execute economic evaluation.
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Analysis and Design of Information Systems for Small Business
Pekárek, Jan ; Štěpnička, František (referee) ; Klusák, Aleš (advisor)
Bachelor thesis „Analysis and design of information system for small business“ deals with analyzing the current situation in Ocean’s Joy s.r.o. company in gastronomic sector. The work points to the internal problems and proposes solutions through the implementation of information system. Then there are areas of IS/ICT application identified and methods for selecting a suitable solutions suggested. At the end the author recommends one of the available solutions.
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Information System Changes
Tesař, Josef ; Vysloužil, Jiří (referee) ; Koch, Miloš (advisor)
In this thesis work I focus on the field of information technology, specifically business information systems. Recently is growing the market for these products, which save time, are internal tool of communication, assist in the management and facilitate decision in the business. One of the many suppliers of ERP solutions is the company K2 atmitec Ltd. The firm must meet potential customers and keep abreast of new trends in information systems. and company, which has a long-term stable position is threatened with decline. In order that competition and the economic crisis don't endanger the position of company , I analyze the product, propose changes and innovations that will lead to greater attractiveness among potential customers.
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Transmission system for polymer optical fiber
Kubík, Martin ; Tejkal, Vladimír (referee) ; Šporik, Jan (advisor)
Bachelor's thesis deals with the transmission of signals via plastic optical fibers. First part contains basic principle and parameters transmission of light beam via fiber. The most common types of plastic optical fibers are analyzed, theirs characteristic parameters and trends in the development of this type of transmission medium are listed. In the second part is designed and implemented the proper integration of the optical transmitter and receiver to transmit signals via plastic optical fiber. The advantage of the implemented circuit is its modularity, so it is possible to further easily extend the system. Laboratory task is prepared for use system in the laboratory.
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