This document provides a summary of the Foundations Level Syllabus for the International Software Testing Qualifications Board (ISTQB). It outlines the purpose, learning objectives, and level of detail covered in the syllabus. The syllabus is organized into 7 chapters that cover topics like fundamentals of testing, static and dynamic testing techniques, test management, test tools, and risk management. It aims to provide the essential information needed to understand core testing concepts and pass the ISTQB Foundation Level exam.
This document describes data from a controlled, multiple case study of software evolution and defects from industrial projects. The study involved 12 software projects developed by 6 programmers across 2 systems. Data was collected on code smells, code changes, defects, task dates and other variables. Code, code smells and evolution data are available online, along with defect reports extracted from issue tracking systems. The goal is to enable further analysis of factors that influence software maintainability.
Laleh M. Eshkevari defended her Ph.D dissertation on developing techniques for the automatic detection and classification of identifier renamings in software projects. Her dissertation outlined a taxonomy of renamings, described approaches for renaming detection based on line mapping, entity mapping and data flow analysis, and discussed methods for classifying renamings based on their form and semantic changes. Evaluation of the approaches on several open source projects showed high precision and recall for renaming detection and identified trends in how renamings are used in practice.
The document presents a taxonomy called ProMeTA for classifying program metamodels used in program reverse engineering. ProMeTA defines dimensions for characterizing metamodels such as target language, abstraction level, meta-language, and quality attributes. The taxonomy is used to analyze and classify five popular metamodels (ASTM, KDM, FAMIX, SPOOL, UNIQ). Key findings are that metamodels should support widely used languages and standards for long-term use and provide robust functionality and quality.
Who Should Review My Code? A file-location based code-reviewer recommendation approach for modern code review.
This research study is presented at the 22nd IEEE International Conference on Software Analysis, Evolution, and Reengineering (SANER2015)
Find more information and preprint at patanamon.com
The document outlines an advanced 50-hour QuickTest Professional (QTP) training program. The program covers topics such as test automation basics, the QTP IDE, the testing process, VBScript, working with files, automating Windows and web applications, error handling, and designing automation frameworks. It provides overviews of the chapters and highlights hands-on examples that will be covered. Background knowledge in software testing, programming, databases, and QTP basics is recommended for participants. The instructor, G.C. Reddy, has 7+ years of experience in software testing and has trained professionals on QTP and testing.
- A bug or defect is the result of an error or mistake that leads to a run-time problem experienced by a user.
- The effect of testing is to give an indication of software quality and enable those responsible for failures to be identified.
- Retesting involves running the same test again in the same circumstances to reproduce a problem and see if it is solved in new software.
This document describes data from a controlled, multiple case study of software evolution and defects from industrial projects. The study involved 12 software projects developed by 6 programmers across 2 systems. Data was collected on code smells, code changes, defects, task dates and other variables. Code, code smells and evolution data are available online, along with defect reports extracted from issue tracking systems. The goal is to enable further analysis of factors that influence software maintainability.
Laleh M. Eshkevari defended her Ph.D dissertation on developing techniques for the automatic detection and classification of identifier renamings in software projects. Her dissertation outlined a taxonomy of renamings, described approaches for renaming detection based on line mapping, entity mapping and data flow analysis, and discussed methods for classifying renamings based on their form and semantic changes. Evaluation of the approaches on several open source projects showed high precision and recall for renaming detection and identified trends in how renamings are used in practice.
The document presents a taxonomy called ProMeTA for classifying program metamodels used in program reverse engineering. ProMeTA defines dimensions for characterizing metamodels such as target language, abstraction level, meta-language, and quality attributes. The taxonomy is used to analyze and classify five popular metamodels (ASTM, KDM, FAMIX, SPOOL, UNIQ). Key findings are that metamodels should support widely used languages and standards for long-term use and provide robust functionality and quality.
Who Should Review My Code? A file-location based code-reviewer recommendation approach for modern code review.
This research study is presented at the 22nd IEEE International Conference on Software Analysis, Evolution, and Reengineering (SANER2015)
Find more information and preprint at patanamon.com
The document outlines an advanced 50-hour QuickTest Professional (QTP) training program. The program covers topics such as test automation basics, the QTP IDE, the testing process, VBScript, working with files, automating Windows and web applications, error handling, and designing automation frameworks. It provides overviews of the chapters and highlights hands-on examples that will be covered. Background knowledge in software testing, programming, databases, and QTP basics is recommended for participants. The instructor, G.C. Reddy, has 7+ years of experience in software testing and has trained professionals on QTP and testing.
- A bug or defect is the result of an error or mistake that leads to a run-time problem experienced by a user.
- The effect of testing is to give an indication of software quality and enable those responsible for failures to be identified.
- Retesting involves running the same test again in the same circumstances to reproduce a problem and see if it is solved in new software.
Revisiting Code Ownership and Its Relationship with Software Quality in the S...The University of Adelaide
This work was presented at The 38th International Conference on Software Engineering (ICSE2016).
Abstract: Code ownership establishes a chain of responsibility for modules in large software systems. Although prior work uncovers a link between code ownership heuristics and software quality, these heuristics rely solely on the authorship of code changes. In addition to authoring code changes, developers also make important contributions to a module by reviewing code changes. Indeed, recent work shows that reviewers are highly active in modern code review processes, often suggesting alternative solutions or providing updates to the code changes. In this paper, we complement traditional code ownership heuristics using code review activity. Through a case study of six releases of the large Qt and OpenStack systems, we find that: (1) 67%-86% of developers did not author any code changes for a module, but still actively contributed by reviewing 21%-39% of the code changes, (2) code ownership heuristics that are aware of reviewing activity share a relationship with software quality, and (3) the proportion of reviewers without expertise shares a strong, increasing relationship with the likelihood of having post-release defects. Our results suggest that reviewing activity captures an important aspect of code ownership, and should be included in approximations of it in future studies.
Pavan Kumar has over 11 years of experience in software testing and development. He has expertise in white box, black box, and automation testing using tools like Selenium, C#, and Python. He is a Scrum Master and Six Sigma Green Belt with experience leading agile teams. He has extensive experience across the full life cycle of product development from requirements to testing and maintenance.
This document describes an approach for supporting software change tasks using automated query reformulations. It begins with an example of a software change request between Alex and Bob. It then discusses using techniques like TextRank and POSRank, adapted from PageRank, to identify important terms from change requests for querying a codebase. The approach was evaluated on a dataset of over 1,900 change tasks from eight open source projects. Experimental results found the proposed approach improved 57.84% of queries and outperformed existing state-of-the-art methods based on measures like query effectiveness and retrieval performance.
Doctoral Examination at the Karlsruhe Institute of Technology (08.07.2016)Dr.-Ing. Thomas Hartmann
In this thesis, a validation framework is introduced that enables to consistently execute RDF-based constraint languages on RDF data and to formulate constraints of any type. The framework reduces the representation of constraints to the absolute minimum, is based on formal logics, consists of a small lightweight vocabulary, and ensures consistency regarding validation results and enables constraint transformations for each constraint type across RDF-based constraint languages.
WJ IV NASP 2014 workshop: Intro and overview by Dr. Fred SchrankKevin McGrew
The document provides an overview of the Woodcock-Johnson IV (WJ IV) tests, including the Tests of Cognitive Abilities (WJ IV COG), Tests of Oral Language (WJ IV OL), and Tests of Achievement (WJ IV ACH). It describes the design goals of the WJ IV to measure important cognitive, language, and academic abilities based on an evolving Cattell-Horn-Carroll (CHC) theory of cognitive abilities. It outlines the structure and tests included in the standard and extended batteries of each WJ IV section and how they are organized for ease of use and interpretation.
The document contains 30 multiple choice questions related to software testing concepts and best practices. The questions cover topics like test design techniques, test levels, test management, reviews/inspections, test tools, and more. Sample questions include what type of testing non-functional system testing involves, when regression testing should be performed, and differences between re-testing and regression testing.
This PhD thesis proposes a method for involving end-users in domain-specific language (DSL) development. The method combines agile and model-driven development approaches. It includes stages for analysis, design, and validation. In the analysis stage, end-users provide requirements through user stories, usage scenarios, and a domain model. The design stage specifies syntax and semantics based on these requirements. Validation tests the DSL with end-users. The goal is to guide DSL development throughout the lifecycle while gathering domain experts' knowledge and feedback.
The document is an ISTQB Foundation level exam sample paper containing 40 multiple choice questions about software testing. It covers topics like test levels, test design techniques, test documentation standards, test management tools, and costs of testing. The sample questions test knowledge of definitions, best practices, and methodologies in software testing.
This document contains a quiz on C++ programming concepts with multiple choice questions and answers. There are questions about linkage types in C++, static and extern keywords, function prototypes, operator overloading, complex numbers, type conversions, friend functions, and virtual functions. The document provides explanations for some answers.
Final thesis: Technological maturity of future energy systemsNina Kallio
For my Master thesis I built a methodology to assess system maturities in energy sector. The aim was to build a framework, process and tools with the scope of assessing emerging systems and their current technological maturity in an uniform and quantitative way.
The document contains a sample ISTQB certification exam with 40 multiple choice questions covering various topics in software testing such as test levels, test design techniques, test management, reviews and inspections. The questions assess knowledge of topics like test documentation standards, test completion criteria, expected outcomes, performance testing, and the costs and benefits of early testing.
QUALITY METRICS OF TEST SUITES IN TESTDRIVEN DESIGNED APPLICATIONSijseajournal
New techniques for writing and developing software have evolved in recent years. One is Test-Driven
Development (TDD) in which tests are written before code. No code should be written without first having
a test to execute it. Thus, in terms of code coverage, the quality of test suites written using TDD should be
high.
In this work, we analyze applications written using TDD and traditional techniques. Specifically, we
demonstrate the quality of the associated test suites based on two quality metrics: 1) structure-based
criterion, 2) fault-based criterion. We learn that test suites with high branch test coverage will also have
high mutation scores, and we especially reveal this in the case of TDD applications. We found that TestDriven
Development is an effective approach that improves the quality of the test suite to cover more of the
source code and also to reveal more.
Code review is one of the crucial software activities where developers and stakeholders collaborate with each other in order to assess software changes. Since code review processes act as a final gate for new software changes to be integrated into the software product, an intense collaboration is necessary in order to prevent defects and produce a high quality of software products. Recently, code review analytics has been implemented in projects (for example, StackAnalytics4 of the OpenStack project) to monitor the collaboration activities between developers and stakeholders in the code review processes. Yet, due to the large volume of software data, code review analytics can only report a static summary (e.g., counting), while neither insights nor instant suggestions are provided. Hence, to better gain valuable insights from software data and help software projects make a better decision, we conduct an empirical investigation using statistical approaches. In particular, we use the large-scale data of 196,712 reviews spread across the Android, Qt, and OpenStack open source projects to train a prediction model in order to uncover the relationship between the characteristics of software changes and the likelihood of having poor code review collaborations. We extract 20 patch characteristics which are grouped along five dimensions, i.e., software changes properties, review participation history, past involvement of a code author, past involvement of reviewers, and review environment dimensions. To validate our findings, we use the bootstrap technique which repeats the experiment 1,000 times. Due to the large volume of studied data, and an intensive computation of characteristic extraction and find- ing validation, the use of the High-Performance-Computing (HPC) re- sources is mandatory to expedite the analysis and generate insights in a timely manner. Through our case study, we find that the amount of review participation in the past and the description length of software changes are a significant indicator that new software changes will suffer from poor code review collaborations [2017]. Moreover, we find that the purpose of introducing new features can increase the likelihood that new software changes will receive late collaboration from reviewers. Our findings highlight the need for the policies of software change submission that monitor these characteristics in order to help software projects improve the quality of code reviews processes. Moreover, based on our findings, future work should develop real-time code review analytics implemented on HPC resources in order to instantly provide insights and suggestions to software projects
The document contains a sample question paper for an ISTQB certification. It includes 40 multiple choice questions covering various topics in software testing such as test planning, test design techniques, test levels, test types, test documentation, test management, and test metrics. The questions assess knowledge of fundamental testing concepts, principles, and best practices.
Este documento describe cómo realizar una restauración de base de datos en el mismo servidor para fines de prueba. Explica los pasos para realizar una copia de seguridad completa de la base de datos de producción y restaurarla con un nuevo nombre en el mismo servidor para probar cambios antes de implementarlos en producción. Resalta la importancia de asignar nuevas rutas de archivo a la base de datos restaurada para evitar conflictos.
ATDD - Desarrollo Dirigido por Test de AceptaciónPaulo Clavijo
Este documento introduce el concepto de Desarrollo Dirigido por Pruebas de Aceptación (ATDD). Explica que el ATDD implica discutir los criterios de aceptación con ejemplos y convertirlos en pruebas de aceptación concretas antes del desarrollo. También describe cómo Cucumber puede usarse para automatizar las pruebas de aceptación escritas en un lenguaje de dominio entendible para el cliente. Finalmente, resalta algunos beneficios del ATDD como reducir el tiempo perdido reprogramando.
This short document promotes creating presentations using Haiku Deck, a tool for making slideshows. It encourages the reader to get started making their own Haiku Deck presentation and sharing it on SlideShare. In just one sentence, it pitches the idea of using Haiku Deck to easily create engaging slideshows.
This document discusses Greg Hoffman's favorite technologies including cloud computing, web design and graphics, and aspects of Web 2.0. It outlines specific websites for cloud computing (Zoho, Windows Live), web design (Yola, Colorhunter, Sumopainter), and Web 2.0 technologies (Wordle, Ustream, Toondoon, Join.me) that are useful for business communication and advertising.
Revisiting Code Ownership and Its Relationship with Software Quality in the S...The University of Adelaide
This work was presented at The 38th International Conference on Software Engineering (ICSE2016).
Abstract: Code ownership establishes a chain of responsibility for modules in large software systems. Although prior work uncovers a link between code ownership heuristics and software quality, these heuristics rely solely on the authorship of code changes. In addition to authoring code changes, developers also make important contributions to a module by reviewing code changes. Indeed, recent work shows that reviewers are highly active in modern code review processes, often suggesting alternative solutions or providing updates to the code changes. In this paper, we complement traditional code ownership heuristics using code review activity. Through a case study of six releases of the large Qt and OpenStack systems, we find that: (1) 67%-86% of developers did not author any code changes for a module, but still actively contributed by reviewing 21%-39% of the code changes, (2) code ownership heuristics that are aware of reviewing activity share a relationship with software quality, and (3) the proportion of reviewers without expertise shares a strong, increasing relationship with the likelihood of having post-release defects. Our results suggest that reviewing activity captures an important aspect of code ownership, and should be included in approximations of it in future studies.
Pavan Kumar has over 11 years of experience in software testing and development. He has expertise in white box, black box, and automation testing using tools like Selenium, C#, and Python. He is a Scrum Master and Six Sigma Green Belt with experience leading agile teams. He has extensive experience across the full life cycle of product development from requirements to testing and maintenance.
This document describes an approach for supporting software change tasks using automated query reformulations. It begins with an example of a software change request between Alex and Bob. It then discusses using techniques like TextRank and POSRank, adapted from PageRank, to identify important terms from change requests for querying a codebase. The approach was evaluated on a dataset of over 1,900 change tasks from eight open source projects. Experimental results found the proposed approach improved 57.84% of queries and outperformed existing state-of-the-art methods based on measures like query effectiveness and retrieval performance.
Doctoral Examination at the Karlsruhe Institute of Technology (08.07.2016)Dr.-Ing. Thomas Hartmann
In this thesis, a validation framework is introduced that enables to consistently execute RDF-based constraint languages on RDF data and to formulate constraints of any type. The framework reduces the representation of constraints to the absolute minimum, is based on formal logics, consists of a small lightweight vocabulary, and ensures consistency regarding validation results and enables constraint transformations for each constraint type across RDF-based constraint languages.
WJ IV NASP 2014 workshop: Intro and overview by Dr. Fred SchrankKevin McGrew
The document provides an overview of the Woodcock-Johnson IV (WJ IV) tests, including the Tests of Cognitive Abilities (WJ IV COG), Tests of Oral Language (WJ IV OL), and Tests of Achievement (WJ IV ACH). It describes the design goals of the WJ IV to measure important cognitive, language, and academic abilities based on an evolving Cattell-Horn-Carroll (CHC) theory of cognitive abilities. It outlines the structure and tests included in the standard and extended batteries of each WJ IV section and how they are organized for ease of use and interpretation.
The document contains 30 multiple choice questions related to software testing concepts and best practices. The questions cover topics like test design techniques, test levels, test management, reviews/inspections, test tools, and more. Sample questions include what type of testing non-functional system testing involves, when regression testing should be performed, and differences between re-testing and regression testing.
This PhD thesis proposes a method for involving end-users in domain-specific language (DSL) development. The method combines agile and model-driven development approaches. It includes stages for analysis, design, and validation. In the analysis stage, end-users provide requirements through user stories, usage scenarios, and a domain model. The design stage specifies syntax and semantics based on these requirements. Validation tests the DSL with end-users. The goal is to guide DSL development throughout the lifecycle while gathering domain experts' knowledge and feedback.
The document is an ISTQB Foundation level exam sample paper containing 40 multiple choice questions about software testing. It covers topics like test levels, test design techniques, test documentation standards, test management tools, and costs of testing. The sample questions test knowledge of definitions, best practices, and methodologies in software testing.
This document contains a quiz on C++ programming concepts with multiple choice questions and answers. There are questions about linkage types in C++, static and extern keywords, function prototypes, operator overloading, complex numbers, type conversions, friend functions, and virtual functions. The document provides explanations for some answers.
Final thesis: Technological maturity of future energy systemsNina Kallio
For my Master thesis I built a methodology to assess system maturities in energy sector. The aim was to build a framework, process and tools with the scope of assessing emerging systems and their current technological maturity in an uniform and quantitative way.
The document contains a sample ISTQB certification exam with 40 multiple choice questions covering various topics in software testing such as test levels, test design techniques, test management, reviews and inspections. The questions assess knowledge of topics like test documentation standards, test completion criteria, expected outcomes, performance testing, and the costs and benefits of early testing.
QUALITY METRICS OF TEST SUITES IN TESTDRIVEN DESIGNED APPLICATIONSijseajournal
New techniques for writing and developing software have evolved in recent years. One is Test-Driven
Development (TDD) in which tests are written before code. No code should be written without first having
a test to execute it. Thus, in terms of code coverage, the quality of test suites written using TDD should be
high.
In this work, we analyze applications written using TDD and traditional techniques. Specifically, we
demonstrate the quality of the associated test suites based on two quality metrics: 1) structure-based
criterion, 2) fault-based criterion. We learn that test suites with high branch test coverage will also have
high mutation scores, and we especially reveal this in the case of TDD applications. We found that TestDriven
Development is an effective approach that improves the quality of the test suite to cover more of the
source code and also to reveal more.
Code review is one of the crucial software activities where developers and stakeholders collaborate with each other in order to assess software changes. Since code review processes act as a final gate for new software changes to be integrated into the software product, an intense collaboration is necessary in order to prevent defects and produce a high quality of software products. Recently, code review analytics has been implemented in projects (for example, StackAnalytics4 of the OpenStack project) to monitor the collaboration activities between developers and stakeholders in the code review processes. Yet, due to the large volume of software data, code review analytics can only report a static summary (e.g., counting), while neither insights nor instant suggestions are provided. Hence, to better gain valuable insights from software data and help software projects make a better decision, we conduct an empirical investigation using statistical approaches. In particular, we use the large-scale data of 196,712 reviews spread across the Android, Qt, and OpenStack open source projects to train a prediction model in order to uncover the relationship between the characteristics of software changes and the likelihood of having poor code review collaborations. We extract 20 patch characteristics which are grouped along five dimensions, i.e., software changes properties, review participation history, past involvement of a code author, past involvement of reviewers, and review environment dimensions. To validate our findings, we use the bootstrap technique which repeats the experiment 1,000 times. Due to the large volume of studied data, and an intensive computation of characteristic extraction and find- ing validation, the use of the High-Performance-Computing (HPC) re- sources is mandatory to expedite the analysis and generate insights in a timely manner. Through our case study, we find that the amount of review participation in the past and the description length of software changes are a significant indicator that new software changes will suffer from poor code review collaborations [2017]. Moreover, we find that the purpose of introducing new features can increase the likelihood that new software changes will receive late collaboration from reviewers. Our findings highlight the need for the policies of software change submission that monitor these characteristics in order to help software projects improve the quality of code reviews processes. Moreover, based on our findings, future work should develop real-time code review analytics implemented on HPC resources in order to instantly provide insights and suggestions to software projects
The document contains a sample question paper for an ISTQB certification. It includes 40 multiple choice questions covering various topics in software testing such as test planning, test design techniques, test levels, test types, test documentation, test management, and test metrics. The questions assess knowledge of fundamental testing concepts, principles, and best practices.
Este documento describe cómo realizar una restauración de base de datos en el mismo servidor para fines de prueba. Explica los pasos para realizar una copia de seguridad completa de la base de datos de producción y restaurarla con un nuevo nombre en el mismo servidor para probar cambios antes de implementarlos en producción. Resalta la importancia de asignar nuevas rutas de archivo a la base de datos restaurada para evitar conflictos.
ATDD - Desarrollo Dirigido por Test de AceptaciónPaulo Clavijo
Este documento introduce el concepto de Desarrollo Dirigido por Pruebas de Aceptación (ATDD). Explica que el ATDD implica discutir los criterios de aceptación con ejemplos y convertirlos en pruebas de aceptación concretas antes del desarrollo. También describe cómo Cucumber puede usarse para automatizar las pruebas de aceptación escritas en un lenguaje de dominio entendible para el cliente. Finalmente, resalta algunos beneficios del ATDD como reducir el tiempo perdido reprogramando.
This short document promotes creating presentations using Haiku Deck, a tool for making slideshows. It encourages the reader to get started making their own Haiku Deck presentation and sharing it on SlideShare. In just one sentence, it pitches the idea of using Haiku Deck to easily create engaging slideshows.
This document discusses Greg Hoffman's favorite technologies including cloud computing, web design and graphics, and aspects of Web 2.0. It outlines specific websites for cloud computing (Zoho, Windows Live), web design (Yola, Colorhunter, Sumopainter), and Web 2.0 technologies (Wordle, Ustream, Toondoon, Join.me) that are useful for business communication and advertising.
Los gatos viven en casas y calles pero algunos prefieren los montes, cazan ratones y juegan con pelotas, también se suben a los tejados y se esconden; duermen, beben leche y comen pescado o carne, pueden nacer de la tripa de su madre o de otras especies como siameses, persas, montes; ejemplos de gatos son Kitty, Silvestre, Isidoro, Tom, Gato con Botas y Garfield.
Modelo para la gestion del cambio en las PyMESJulián Rivera
2
ABSTRACT
Ante un contexto organizacional tan competitivo como el actual, el cambio organizacional emerge como uno de
los temas de investigación más tratados por académicos tanto nacionales como internacionales con el fin de
poder encontrar soluciones para hacer frente a los incesantes cambios del entorno.
Sin embargo, los modelos aportados son demasiado generalistas y normalmente aplicables a grandes
organizaciones, resultando demasiado teóricos cuando intentamos utilizarlos para gestionar un cambio
organizacional en una PYME ya que no se ajustan a su realidad.
En la presente investigación, las hipótesis de partida son, por una parte, que los cambios a los que se enfrentan
las PYMEs provienen con una alta frecuencia del factor tecnológico y, por otra, que el fracaso de estos “arreglos
técnicos” en muchas ocasiones, no se deben a la bondad o no de la solución técnica aplicada sino a una mala
gestión del cambio organizacional que suponen, siendo las razones: un desarrollo no adecuado de las fases del
cambio, una mala gestión y/o no consideración de los elementos del cambio, y la falta de consciencia que un
cambio en el factor tecnológico supone una interacción con otros factores de la empresa: estructura, personas y
cultura.
El objetivo de la presente investigación es aportar un modelo para la gestión del cambio organizacional
provocado por la introducción de modificaciones en el factor tecnológico en las PYMEs para lo cual se ha
seguido la siguiente metodología:
- A partir de una revisión teórica, se ha aportado lo que, a nuestro entender, es el modelo que recoge todos los
aspectos a considerar en la gestión de cualquier cambio en cualquier tipo de organización, clasificándolos
en: factores del cambio, fases del cambio y elementos para la gestión del cambio.
- Este modelo general se aplica al caso concreto de la gestión del cambio organizacional que las PYMEs han
de realizar para enfrentarse a un cambio en el factor tecnológico. En primer lugar, se señalan los errores
propios cometidos por las PYMEs para, a continuación, aportar soluciones.
- Todas las soluciones aportadas se recogen en un modelo integral para la gestión del cambio organizacional
en las PYMEs.
This document discusses adventure-based training techniques that use activities involving perceived risk. The goal is to help participants build skills like teamwork, problem-solving, and self-esteem. Examples given include high ropes courses, trust activities, initiatives, and climbing. Such activities are intended to provide direct experiences that allow participants to share ideas, understand interpersonal dynamics, and clarify values.
La tesis presenta una metodología para evaluar la vulnerabilidad sísmica de edificaciones de adobe a nivel local. Revisa marcos teóricos y metodologías existentes, y realiza ensayos en muros de adobe para definir parámetros e indicadores de vulnerabilidad. Luego propone una metodología basada en indicadores para evaluar edificaciones, la cual es validada mediante su aplicación a casos reales. Finalmente, sugiere propuestas para reducir la vulnerabilidad sísmica de construcciones de adobe.
Este documento presenta los resultados de un estudio de suelos realizado en Huancayo, Perú. Se analizaron las propiedades físicas y mecánicas de las muestras de suelo extraídas de una calicata excavada en el sitio. Se determinó el contenido de humedad, densidad natural y granulometría de las muestras. Los resultados mostraron variaciones en el contenido de humedad con la profundidad y una humedad promedio de 14.77%. El perfil estratigráfico identificó tres capas de su
Este documento describe los principales tipos de pruebas de software, incluyendo pruebas unitarias, pruebas de integración, pruebas de regresión y pruebas de humo. Cada tipo de prueba tiene un objetivo específico, una descripción de la técnica utilizada y criterios para su completitud.
This document discusses different shapes including circles, rectangles, squares, and triangles. It provides descriptions of the characteristics of each shape, such as a circle being round and having no ends, a rectangle having two long sides and two short sides, a square having four equal sides, and a triangle having three sides. It includes examples of where these shapes can be found in the neighborhood and asks the reader to identify and count the different shapes.
This document provides an overview of DO-178B, the standard used to ensure safety in avionics software development. It discusses key aspects of DO-178B including the 5 software safety levels, objectives for each level, the software lifecycle processes of planning, development, verification, and certification. It also briefly outlines the future of DO-178C, which incorporates modern techniques like model-based design, tool qualification, and formal methods.
The document discusses Open-DO, an open source initiative for developing safety-critical software. It provides an overview of Open-DO concepts like FLOSS, agile development practices, and high-integrity certification. Updates on Open-DO include new community projects, conferences, and tools to support qualifications. Formal methods like Couverture and Hi-Lite are presented as ways to verify properties and generate verification conditions for proof.
Tester is involved throughout the software development lifecycle (SDLC). Their main responsibilities include:
1. Conducting requirement analysis in the requirements phase and use case analysis in the design phase.
2. Developing test cases and scripts in the development phase and finalizing the test plan.
3. Conducting various types of tests like unit, integration, system and user acceptance testing in the testing phase and maintaining test logs and reports.
4. Preparing training documentation and lessons learned reports to help with deployment in the deployment phase and testing production issues in the support phase.
This resume is for Md Nishar, an IT professional with over 4.9 years of experience in software testing. He has extensive experience testing safety critical avionics systems according to DO-178B standards. Some of his skills and experiences include unit testing, software integration testing, model based testing, debugging, requirements and configuration management tools. He has worked on projects for companies like Rockwell Collins, Goodrich, and Gulfstream testing components like head up displays, electric brake controls, and touch screen controllers. His education includes a Bachelor's degree in electronics engineering.
The document outlines different models for the software development process, including the waterfall model and iterative model. It then describes various stages of the process in more detail, such as creating a project proposal, conducting a feasibility study, performing system investigation to create an operational requirements document, development, implementation and testing, and maintenance. The waterfall model allocates most resources to the operational and maintenance phase.
The document outlines different models for the software development process, including the waterfall model and iterative model. It then describes various stages of the process in more detail, such as creating a project proposal, conducting a feasibility study, performing system investigation to create an operational requirements document, development, implementation and testing, and maintenance. The waterfall model allocates most resources to the operational and maintenance stage.
Open-DO: Towards a Lean Approach for Certification (Cyrille Comar)AdaCore
In this series of talks, our panel of experts present real world examples that illustrate how Lean Production concepts are being successfully applied to software development. In particular to applications that have to meet the highest levels of safety and security.
The document outlines Vincenzo Ferme's research on automating performance testing for continuous software development environments. It discusses the context of continuous development lifecycles and DevOps practices, and how performance testing is rarely applied in these processes. It then presents the state of the art in declarative performance engineering and the challenges of defining and executing performance tests. The document outlines the problem statement and research goals, which include how to specify performance tests and automate their execution in continuous software development lifecycles. The main contributions are summarized as developing an automation-oriented performance tests catalog, the BenchFlow declarative domain-specific language for specifying tests, and the BenchFlow model-driven framework for executing experiments.
Anuj Tiwari has over 3 years of experience as a QA Engineer, Technical Writer, and Business Analyst. He has worked on projects for clients like Walgreens and Accenture developing test plans, executing manual and automated test scripts, writing documentation, and performing requirements analysis. Currently, he works as an Automation Tester and Functional Tester on the Accenture Claims Component Services product, which provides an end-to-end solution for handling insurance claims.
Foundation level sample_exam_v2.3_answers_and_justificationVenera Romanova
The document is a sample exam for the ISTQB Foundation Level certification. It includes 40 multiple choice questions across 6 sections covering various testing topics aligned to the ISTQB Foundation Level syllabus such as fundamentals, testing throughout the lifecycle, static techniques, test design techniques, test management, and test tools. The questions are intended to help ISTQB member boards in writing exams and for individuals preparing to take the certification.
This document provides a 3-sentence summary of the Certified Tester Foundation Level Syllabus document:
The syllabus outlines the key concepts and topics covered in foundation level certification for software testing, including testing techniques, test management, and quality assurance. It provides the copyright information and history of revisions to the certification syllabus. The International Software Testing Qualifications Board maintains and updates the syllabus.
The document outlines the schedule and milestones for a service pack 3 system release. Key dates and activities are listed on a timeline, including integration builds, testing gates, certification activities, documentation tasks and final release. The process involves scoping work, development, iterative testing, performance validation, documentation, sign-offs and ultimately a field readiness review before the final customer shipment date.
Assessing the Reliability of a Human EstimatorTim Menzies
The document summarizes research on building predictive models to estimate software project efforts based on human estimators' demographics. A web survey collected estimators' demographics and estimates. Models were constructed using demographics as attributes to predict estimates. Some models achieved up to 78% accuracy. Attribute reduction improved accuracy. Decision trees were created to distinguish over-estimators from best estimators based on demographics.
The document describes the phases of the Software Testing Life Cycle (STLC). It discusses the 6 main phases: 1) Requirement Analysis, 2) Test Planning, 3) Test Case Development, 4) Environment Setup, 5) Test Execution, and 6) Test Cycle Closure. Each phase has entry and exit criteria, activities, and deliverables. The STLC is a testing process executed in a systematic, planned manner, following the software development life cycle to ensure quality.
This document provides guidelines for writing and reviewing multiple choice questions for the ISTQB Foundation exam. It specifies that exams will consist of 40 multiple choice questions with 4 answer options each. Questions will be categorized into three knowledge levels and distributed across exam topics based on the syllabus. The document provides detailed guidance on writing clear exam questions with effective distractors and on reviewing questions to ensure they accurately test the intended learning objectives. Adhering to standardized exam formats and question quality guidelines helps ensure consistency in ISTQB certification worldwide.
Wodel-Test: A Model-Based Framework for Language-Independent Mutation TestingPablo Gómez Abajo
Mutation testing (MT) targets the assessment of test cases by measuring their efficiency to detect faults. This technique involves modifying the program under test to emulate programming faults, and assessing whether the existing test cases detect such mutations. MT has been extensively studied since the 70's, and many tools have been proposed for widely used languages like C, Java, Fortran, Ada and SQL; and for notations like Petri-nets. However, building MT tools is costly and error-prone, which may prevent their development for new programming and domain-specific (modelling) languages.
In this paper, we propose a framework called Wodel-Test to reduce the effort to create MT tools. For this purpose, it follows a model-driven approach by which MT tools are synthesized from a high-level description. This description makes use of the domain-specific language Wodel to define and execute model mutations. Wodel is language-independent, as it allows the creation of mutation operators for any language defined by a meta-model. Starting from the definition of the mutation operators, Wodel-Test generates a MT environment which parses the program under test into a model, applies the mutation operators, and evaluates the test-suite against the generated mutants, offering a rich collection of MT metrics. We report on an evaluation of the approach based on the creation of MT tools for Java and the Atlas transformation language.
This document outlines the syllabus for the Certified Tester Foundation Level in Software Testing. It covers the fundamentals of testing including why testing is necessary, what testing is, general testing principles, and the fundamental test process. It also discusses testing throughout the software life cycle including different development models, test levels, types, and maintenance testing. Additional topics covered include static techniques, test design techniques, test management, tool support for testing, and references/appendices. The overall goal is to provide learning objectives and structure for the certification examination.
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Honeypots Unveiled: Proactive Defense Tactics for Cyber Security, Phoenix Sum...APNIC
Adli Wahid, Senior Internet Security Specialist at APNIC, delivered a presentation titled 'Honeypots Unveiled: Proactive Defense Tactics for Cyber Security' at the Phoenix Summit held in Dhaka, Bangladesh from 23 to 24 May 2024.
HijackLoader Evolution: Interactive Process HollowingDonato Onofri
CrowdStrike researchers have identified a HijackLoader (aka IDAT Loader) sample that employs sophisticated evasion techniques to enhance the complexity of the threat. HijackLoader, an increasingly popular tool among adversaries for deploying additional payloads and tooling, continues to evolve as its developers experiment and enhance its capabilities.
In their analysis of a recent HijackLoader sample, CrowdStrike researchers discovered new techniques designed to increase the defense evasion capabilities of the loader. The malware developer used a standard process hollowing technique coupled with an additional trigger that was activated by the parent process writing to a pipe. This new approach, called "Interactive Process Hollowing", has the potential to make defense evasion stealthier.
Securing BGP: Operational Strategies and Best Practices for Network Defenders...APNIC
Md. Zobair Khan,
Network Analyst and Technical Trainer at APNIC, presented 'Securing BGP: Operational Strategies and Best Practices for Network Defenders' at the Phoenix Summit held in Dhaka, Bangladesh from 23 to 24 May 2024.