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Secure, reliable and adaptive network based on Cisco devices
Lefler, Přemysl ; Komosný, Dan (referee) ; Kubánková, Anna (advisor)
This bachelor thesis deals with design of secure, reliable and adaptive network using Cisco network devices. Thesis includes design of a network with description of each individual technology, that were used in the design to meet requirements for safety, reliability and adaptivity. The last chapter describes frequently occuring network attacks along with a description of their execution followed by implementation of defense against them.
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Design of remote area networking
Mikulský, Petr ; Mašek, Pavel (referee) ; Kubánková, Anna (advisor)
This bachelor thesis deals with creation of network for two villages near the russian city Izhevsk. The introductory part of the thesis describes single technologies, that can be used for creation of the network. In the successive part of the bachelor thesis a network design is created, that containts logical and physical network topology. Last part contains simulation of created network in an electromagnetic simulation tool Wireless InSite.
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Optical Network Design in Revúca
Antalík, Dominik ; Jordán, Vilém (referee) ; Ondrák, Viktor (advisor)
Bachelor thesis is focused on the optical network design with a variant termination of the optical fiber in the home of end users. The technology is currently the most advanced bandwidth sufficient for reliable transmission of any kind of content. The investor is the local internet provider FERDINANDY, s.r.o. in Revúca. The optical network design is set for this city. This innovation will provide high speed connection and offers additional service options such as IPTV or VoIP for citizens of Revúca. The bachelor thesis includes a proposal route of the optical fibers, choice of active and passive equipment and economic assessment of the payback period of large investments.
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Data transmission over distribution power networks
Vašíček, Filip ; Mišurec, Jiří (referee) ; Zeman, Václav (advisor)
This thesis brings together information about the data transmission over distribution power networks with a view to the broadband systems. The division of PLC systems is mentioned and the principle and characteristics of PLC technology are described. I was also interested in topology and a description of elements of PLC network. There are presented the two most frequently used systems: HomePlug and DS2. Next section contains an analysis of network architecture, especially the physical layer. The protection of data against errors and the OFDM method are described. There are also analyzed other layers of the network reference model, the mechanism of quality of services and the data encryption using AES. I was also focused on the issues of standardization of PLC, the electromagnetic compatibility and a description of the international project OPERA. In the practical part is processed the concept of the laboratory PLC network with elements of the system Defidev/DS2. Functionality of the network has been tested by measuring of the bit rate on the physical and application layer.
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Planning of UTMS access networks
Spěváček, Jiří ; Kapoun, Vladimír (referee) ; Novotný, Vít (advisor)
The master thesis is focused on the Universal Mobile Telecommunications System (UMTS) - the third-generation cell phone technology. The first part describes the development of mobile networks and the structure of the UMTS. The second part, the main part of the thesis, is focused on the planning procedure of the UMTS access network. It consists of an explanation of the general planning procedure and a specific project designing the coverage of Pelhřimov surroundings. The final part of the thesis contains a laboratory problem including instructions.
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Structured Cabling Design
Zemánek, Jakub ; Zálešák, Jiří (referee) ; Ondrák, Viktor (advisor)
This work is about creation computer network in a small company, which specialization is industrial automatization. Previous status of it is fully unsuitable and problem is also missing of any documentation. Purpose of this work is to create suggestion of the new computer network with universal cabling, which will meets all norms and speed request.
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Optimization of Company Information Infrastructure.
Luska, Jiří ; Holub, Zdeněk (referee) ; Ondrák, Viktor (advisor)
The thesis discusses the problems of data infrastructure in the company Instalační materiál – Herman s.r.o., which dealing with sale and comlex services in plumbing. The current state of computer networks is generally poor, combines current and older technologies, resulting in problems with the functionality of the sale system. Therefore the company decided to invest in upgrading IT. The goal is to evaluate the current situation and propose a range of optimization to an extent that meets the criteria of the company as a customer
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Using artificial intelligence to monitor the state of the machine
Kubisz, Jan ; Kroupa, Jiří (referee) ; Kovář, Jiří (advisor)
Diploma thesis focus on creation of neural network’s internal structure with goal of creation Artificial Neural Network capable of machine state monitoring and predicting its remaining usefull life. Main goal is creation of algorithm’s and library for design and learning of Artificial Neural Network, and deeper understanding of the problematics in the process, then by utilising existing libraries. Selected method was forward-propagation network with multi-layered perceptron architecture, and backpropagation learning. Achieved results was, that the network was able to determine parts state from vibration measurement and on its basis predict remaining usefull life.
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The Project Proposal for Building an ISP Network
Kovács, Benjamín ; Holík, Milan (referee) ; Ondrák, Viktor (advisor)
The subject of the „The project proposal for building an ISP network“ thesis is the analysis of a current state of internet connectivity in a city of Komarno as well as a project proposal of a new network infrastructure for an internet service provider. The analysis consists of the current state of infrastructure and a possibilities of building new ISP network infrastructure. This thesis also contains brief summary of a required technologies and a description of project management, including project risk analysis, time schedule and cost calculation.
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