National Repository of Grey Literature 36 records found  1 - 10nextend  jump to record: Search took 0.02 seconds. 
ICT tester
Tatar, Martin ; Člupek, Vlastimil (referee) ; Zeman, Václav (advisor)
The diploma thesis deals with the extension of the ICT Tester plugin module which allows the user to digitally sign the generated outputs and with the testing of selected DoS attacks that are implemented in it. In the theoretical part of the thesis, selected types of DoS attacks are analyzed, it is described how they work, how to defend against them, examples of significant attacks that actually took place are included and Apache JMeter is described. In the practical part selected attacks are created and tested. Then the new funcionality for digital signature is implemented.
Integration and automation of deployment of updated load testing modules
Jedlička, Jakub ; Člupek, Vlastimil (referee) ; Šeda, Pavel (advisor)
This thesis focuses on performance testing using JMeter and developing modules for denial of service (DoS) attacks. The thesis first deals with the theory, where performance testing is described, the tools used for this type of testing and finally the types of DoS attacks. The practical part starts with the migration of the operating system of the load tester on which the testing was performed. It also describes the upgrade of the JMeter tool from version 4.0 to version 5.5, updating the custom add-on modules and fixing bugs in modules so that the modules can be used without errors with the JMeter tool in version 5.5. The updated JMeter tool and custom add-on modules are uploaded to the load tester. For future updates, automation scripts are created to update the system packages of the load tester, updating both the custom add-on modules and the JMeter tool. The module extensions that have been made to increase the scope of the tests are then discussed. These extensions add mainly link layer parameters and support for IPv6. The final section describes the newly created parts of the DDoS module. The new parts of the module extend the capabilities of testing web applications using multiple IP addresses or testing using slow attacks.
Comparative amount of muscle mass and involvement preferential and dominant lower limbs in the Wingate test and jump test in adolescent runners
VÍTŮ, Sabina
This graduation thesis deals with the comparison of the amount of muscle and lower limb performance of runners on medium and long distances. 25 athletes aged 18,12 +- 4,51 years are tested, who are tested once on a step weight Tanita, they are also subjected to the Wingate test on a bicycle ergometer, test on the reaction platform, the measurement of lower limb segments and the writing and kicking test. To compare the relationship between muscle mass on lower limb, fat mass on lower limb, muscle mass and performance in the Wingate test, muscle mass and Jumpmax test, muscle mass and circumference of lower limb segments, lower limb circumference and Jumpmax test, lower limb circumference and Wingate test, Jumpmax test and the Wingate test uses the Pearsons correlation coefficient. Based on the research, it was found that lower limb with a larger proportion of muscle mass does not perform significantly higher performance than the other limb. It was found that a jump from a limb with more muscle mass does not reach the higher jump from a limb with more muscle mass. It was found that probands do not achieve significantly higher jumps in the Jumpmax test from limbs with larger muscle circumference. Probands do not reach significantly higher in the Wingate test from limbs with a larger power circumference. Furthermore, it was found that the height of jump from one limb in the Jumpmax test does not correlate with the performance of that limb in Wingate test. In 52 % of athletes, a connection was found between the more powerful lower limb in the Wingate test, the preferred lower limb in the kicking test and the preferred lower limb in the rebound.
Stress Testing of Video Streaming Services
Kříž, Petr ; Ilgner, Petr (referee) ; Číka, Petr (advisor)
The bachelor thesis deals with the load testing of services for adaptive streaming of multimedia content. The thesis starts with a theoretical discussion of load testing and standards for adaptive streaming. The practical part deals with the creation of scenarios for load testing the created streaming server. Finally, graphs are prepared including commenting on the testing result.
Network probe
Skočdopole, Jan ; Člupek, Vlastimil (referee) ; Zeman, Václav (advisor)
The diploma thesis deals with load testing and its use in computer security. The goal of this thesis was implementing new functionality in existing solution based on Apache JMeter load testing tool. Next goal was verification of possibility of running testing tool on another operating system and update of documentation. PDF export with electronic signature support shod be implemented in the Network Analyzer plug-in. The Apache PDFBox library was used in this work. Result of thesis is new functionality of export to PDF format with electronic signature support, updated documentation and fix of some module bug.
Stress Testing of Internet Telephony
Šípek, Martin ; Ilgner, Petr (referee) ; Číka, Petr (advisor)
The thesis deals with the development of a module for JMeter that adds SIP stress testing functionality that was previously missing in the program. The theoretical part of the thesis deals with Internet telephony and codecs used in telephony. The SIP protocol is discussed in detail and the end of this part is devoted to stress testing. The practical part focuses mainly on the development of the proposed module, where the code of the module is described in detail, but it also deals with the installation and configuration of the Asterisk PBX on which the proposed module is tested. The results of this testing are analyzed at the very end of this thesis.
Macroeconomic stress-testing of banking systems: survey of methodologies and empirical application
Šimečková, Jana ; Geršl, Adam (advisor) ; Pečená, Magda (referee)
This thesis deals with stress testing as a process that helps to assess the impact of potential adverse shocks on the soundness of a financial system. First section is dedicated to non-technical discussion about stress testing and to some methodological issues. The main focus lies on the system-wide macroeconomic stress testing. The empirical part of the thesis is a contribution to macroprudential analysis of the quality of the aggregate loan portfolio in the Czech Republic. This study adopts a vector autoregression model applied to the Czech banking sector in order to judge its stability and present some evidence on macroeconomic variables affecting the Czech banking system. As a measure of the strength of the loan portfolio is used the stock of non-performing loans vis-à-vis total loans in the sector. The thesis follows the widely used methodology and seeks to identify significant macroeconomic risk factors affecting the loan portfolio quality. The latter part aims also to forecast the most likely development of the loan portfolio.
CHR-test-method of excercise testing by endurance sportswomen related to renal functions
Šturmová, Anita ; Radvanský, Jiří (advisor) ; Procházka, Michal (referee)
The aim of this study was to familiarize and imlement methodics of CHR-test. For using exercise testing were used endurace trained women. The results of exercise testing were compared with previously published study for untrained probands. The paper discussed resulting indexes of testing depending on individual fitness and the conslusiveness itselfs of this type of testing, that is not expanded to date. The next part of the thesis presents the results of experimental work: relations between stress and reaction of kidney in the form of microalbumiuria and transferinuria. Powered by TCPDF (
Financial Stability Issues and Stress Testing of the Insurance Sector
Hauryliuk, Nadzeya ; Jakubík, Petr (advisor) ; Čech, František (referee)
The purpose of this thesis is to provide an overview of risk and vulnerabilities for financial stability of the European Insurance sector. The methods and principles of risk assessment are examined, as well as their application for the insurance sector. The current macroeconomic situation and its impact on insurers' financial stability is described. Downward changes of interest rates are identified as the biggest current risk. This results from a system-wide stress test conducted by EIOPA (European Insurance and Occupational Pensions Authority), analysis of sensitivities published by several big European Insurers published on a yearly basis and finally from an econometric analysis of the relationship between market data and changes in macroeconomic variables. Keywords financial stability, stress testing, insurance sector, insurance risks
Credit risk stress testing of the Czech banking sector
Vachušková, Karolína ; Pečená, Magda (advisor) ; Švéda, Josef (referee)
This thesis aims to describe stress testing in the Czech banking sector focusing on the most significant banking risk, which is credit risk. The thesis examines the difference between regulatory and internal stress testing, compares their assumptions, outcome quality and usability. It deals with the regulation of stress tests, which banks must fulfil. Further, it uses the current Covid-19 crisis as a test of whether the adverse scenarios used are sufficiently severe to cover the risks for and impacts on the actual negative development of the economy. This analysis assesses the Czech banking sector's readiness and resilience and includes the reactions of banks and the Czech authorities to increasing risks.

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