Informatyka
Cameron Dodd
The CompTIA Data+ certification exam not only helps validate a skill set required to enter one of the fastest-growing fields in the world, but also is starting to standardize the language and concepts within the field. However, there’s a lot of conflicting information and a lack of existing resources about the topics covered in this exam, and even professionals working in data analytics may need a study guide to help them pass on their first attempt.The CompTIA Data + (DAO-001) Certification Guide will give you a solid understanding of how to prepare, analyze, and report data for better insights.You’ll get an introduction to Data+ certification exam format to begin with, and then quickly dive into preparing data. You'll learn about collecting, cleaning, and processing data along with data wrangling and manipulation. As you progress, you’ll cover data analysis topics such as types of analysis, common techniques, hypothesis techniques, and statistical analysis, before tackling data reporting, common visualizations, and data governance. All the knowledge you've gained throughout the book will be tested with the mock tests that appear in the final chapters.By the end of this book, you’ll be ready to pass the Data+ exam with confidence and take the next step in your career.
Philip Inshanally
The Linux+ certification provides a broad awareness of Linux operating systems, while giving professionals an upper hand in the IT industry. With this certification, you’ll be equipped with the all-important knowledge of installation, operation, administration, and troubleshooting services.This CompTIA Linux+ Certification Guide will give you an overview of the system architecture. You’ll understand how to install and uninstall Linux distributions, followed by working with various package managers. You’ll then move on to manipulating files and processes at the command-line interface (CLI) and creating, monitoring, killing, restarting, and modifying processes.As you progress, you’ll be equipped to work with display managers and learn how you can create, modify, and remove user accounts and groups, as well as understand how to automate tasks. The last set of chapters will help you configure dates and set up local and remote system logging. In addition to this, you’ll explore different internet protocols, and delve into network configuration, security administration, Shell scripting, and SQL management.By the end of this book, you’ll not only have got to grips with all the modules you need to study for the LX0-103 and LX0-104 certification exams, but you’ll also be able to test your understanding with practice questions and mock exams.
CompTIA Network+ Certification Guide. The ultimate guide to passing the N10-007 exam
Glen D. Singh, Rishi Latchmepersad
CompTIA certified professionals have always had the upper hand in the information technology industry. This book will be your ideal guide to efficiently passing and achieving this certification. Learn from industry experts and implement their practices to resolve complex IT issues.This book revolves around networking concepts where readers will learn topics like network architecture, security, network monitoring, and troubleshooting. This book will not only prepare the readers conceptually but will also help them pass the N10-007 exam. This guide will also provide practice exercise after every chapter where readers can ensure their concepts are clear.By the end of this book, readers will leverage this guide and the included practice questions to boost their confidence in appearing for the actual certificate.
CompTIA Network+ Certification Guide. The ultimate guide to passing the N10-007 exam
Glen D. Singh, Rishi Latchmepersad
CompTIA certified professionals have always had the upper hand in the information technology industry. This book will be your ideal guide to efficiently passing and achieving this certification. Learn from industry experts and implement their practices to resolve complex IT issues.This book revolves around networking concepts where readers will learn topics like network architecture, security, network monitoring, and troubleshooting. This book will not only prepare the readers conceptually but will also help them pass the N10-007 exam. This guide will also provide practice exercise after every chapter where readers can ensure their concepts are clear.By the end of this book, readers will leverage this guide and the included practice questions to boost their confidence in appearing for the actual certificate.
Glen D. Singh
This book helps you to easily understand core networking concepts without the need of prior industry experience or knowledge within this fi eld of study. This updated second edition of the CompTIA Network+ N10-008 Certification Guide begins by introducing you to the core fundamentals of networking technologies and concepts, before progressing to intermediate and advanced topics using a student-centric approach.You’ll explore best practices for designing and implementing a resilient and scalable network infrastructure to support modern applications and services. Additionally, you’ll learn network security concepts and technologies to effectively secure organizations from cyber attacks and threats. The book also shows you how to efficiently discover and resolve networking issues using common troubleshooting techniques.By the end of this book, you’ll have gained sufficient knowledge to efficiently design, implement, and maintain a network infrastructure as a successful network professional within the industry. You’ll also have gained knowledge of all the official CompTIA Network+ N10-008 exam objectives, networking technologies, and how to apply your skills in the real world.
Mark McGinley
Ace the globally recognized CompTIA Security+ SY0-701 certification exam by validating your expertise in essential cybersecurity concepts and practices through rigorously designed practice tests. Covering all the concepts tested in the CompTIA Security+ SY0-701 exam, this exam guide will help you evaluate your proficiency across five core security domains: general security concepts, threats and vulnerabilities with mitigations, security architecture, security operations, and program management.More than just another study guide, this book is a strategic preparation tool that focuses on assessing your retention of the material and evaluating your exam readiness rather than teaching theory. Packed with hundreds of expertly crafted questions, it mirrors the actual exam’s difficulty level and offers more than knowledge—you’ll develop the confidence and strategic thinking needed to excel on test day. To address the gaps in your knowledge, each question is paired with descriptive answers and in-depth explanations, transforming potential mistakes into powerful learning moments.By the end of this book, you’ll be primed to approach the CompTIA Security+ SY0-701 exam with the skills and expertise needed to succeed.
Ron Price
CompTIA Server+ Certification is one of the top 5 IT certifications that is vendor neutral.System administrators opt for CompTIA server+ Certification to gain advanced knowledge of concepts including troubleshooting and networking.This book will initially start with the configuration of a basic network server and the configuration for each of its myriad roles. The next set of chapters will provide an overview of the responsibilities and tasks performed by a system administrator to manage and maintain a network server. Moving ahead, you will learn the basic security technologies, methods, and procedures that can be applied to a server and its network. Next, you will cover the troubleshooting procedures and methods in general, and specifically for hardware, software, networks, storage devices, and security applications. Toward the end of this book, we will cover a number of troubleshooting and security mitigation concepts for running admin servers with ease. This guide will be augmented by test questions and mock papers that will help you obtain the necessary certification.By the end of this book, you will be in a position to clear Server+ Certification with ease.
Mercury Learning and Information, C. P. Gupta,...
This book provides a self-teaching introduction to computer fundamentals and management information systems (MIS). It covers hardware components, software applications, Microsoft Office, information systems, ERP, CRM, security, business ethics, and cybercrime. The goal is to make these complex subjects accessible and easy to understand.The course begins with basic computer concepts, followed by an introduction to software. It then offers detailed information on Microsoft Office, covering Excel, Word, PowerPoint, and Access. The journey continues with a deep dive into MIS, exploring its applications, ERP systems, security measures, business ethics, and the challenges of cybercrime.Understanding these concepts is crucial for navigating the digital world and leveraging technology in business. This book transitions readers from beginners to knowledgeable users, blending theoretical insights with practical skills. Companion files with source code examples and figures enhance the learning experience, making this book an invaluable resource for mastering computers and MIS.
Kevin Wilson
This book provides a clear and accessible guide to demystifying technical terms. Using a step-by-step approach, it simplifies complex computer terminology, offering detailed explanations alongside full-color illustrations, screenshots, and photographs. Each term is broken down into easy-to-understand language, making it accessible even for those with little technical background.It covers key areas of computer terminology, including networking, internet terms, and digital media formats. Readers are provided with a broad range of terms, from basic functions to security and privacy concepts, boosting their confidence in navigating the technical language of modern technology.Additionally, this glossary addresses emerging technologies and their jargon, defining terms related to artificial intelligence, cloud computing, and cybersecurity. Whether you're a beginner or a moderately experienced user, this guide is an ideal reference for decoding tech terms and understanding the digital world with confidence and clarity.
Lauren Mullennex, Nate Bachmeier, Jay Rao
Computer vision (CV) is a field of artificial intelligence that helps transform visual data into actionable insights to solve a wide range of business challenges. This book provides prescriptive guidance to anyone looking to learn how to approach CV problems for quickly building and deploying production-ready models.You’ll begin by exploring the applications of CV and the features of Amazon Rekognition and Amazon Lookout for Vision. The book will then walk you through real-world use cases such as identity verification, real-time video analysis, content moderation, and detecting manufacturing defects that’ll enable you to understand how to implement AWS AI/ML services. As you make progress, you'll also use Amazon SageMaker for data annotation, training, and deploying CV models. In the concluding chapters, you'll work with practical code examples, and discover best practices and design principles for scaling, reducing cost, improving the security posture, and mitigating bias of CV workloads.By the end of this AWS book, you'll be able to accelerate your business outcomes by building and implementing CV into your production environments with the help of AWS AI/ML services.
Matthew Rever
Python is the ideal programming language for rapidly prototyping and developing production-grade codes for image processing and Computer Vision with its robust syntax and wealth of powerful libraries. This book will help you design and develop production-grade Computer Vision projects tackling real-world problems.With the help of this book, you will learn how to set up Anaconda and Python for the major OSes with cutting-edge third-party libraries for Computer Vision. You'll learn state-of-the-art techniques for classifying images, finding and identifying human postures, and detecting faces within videos. You will use powerful machine learning tools such as OpenCV, Dlib, and TensorFlow to build exciting projects such as classifying handwritten digits, detecting facial features,and much more. The book also covers some advanced projects, such as reading text from license plates from real-world images using Google’s Tesseract software, and tracking human body poses using DeeperCut within TensorFlow.By the end of this book, you will have the expertise required to build your own Computer Vision projects using Python and its associated libraries.
Amin Ahmadi Tazehkandi
Developers have been using OpenCV library to develop computer vision applications for a long time. However, they now need a more effective tool to get the job done and in a much better and modern way. Qt is one of the major frameworks available for this task at the moment. This book will teach you to develop applications with the combination of OpenCV 3 and Qt5, and how to create cross-platform computer vision applications. We’ll begin by introducing Qt, its IDE, and its SDK. Next you’ll learn how to use the OpenCV API to integrate both tools, and see how to configure Qt to use OpenCV. You’ll go on to build a full-fledged computer vision application throughout the book. Later, you’ll create a stunning UI application using the Qt widgets technology, where you’ll display the images after they are processed in an efficient way. At the end of the book, you’ll learn how to convert OpenCV Mat to Qt QImage. You’ll also see how to efficiently process images to filter them, transform them, detect or track objects as well as analyze video. You’ll become better at developing OpenCV applications.
Remo Laubacher
Concrete5 is a content management system for PHP developers. It can be used to build a range of sites and is particularly optimized for creating marketing websites.The Concrete5 Beginner's Guide will show you how to get up and running with Concrete5 as quickly and painlessly as possible. Taking you from installation to deployment, this is the only reference that you will need for creating your new Concrete5 site.By using a number of real-world examples, as well as taking you through the set up of a sample site, this book will enable you to become familiar with all of Concrete5's features. Use add-ons, themes, and blocks to give your site the look-and-feel that you desire. Simple PHP will enable you to customize the layout and navigation options of your site, as well extend the dashboard giving you a fully functional, professional site in no time.
Remo Laubacher
concrete5 is an open source content management system (CMS) for publishing content on the World Wide Web and intranets. concrete5 is designed for ease of use, and for users with limited technical skills. It enables users to edit site content directly from the page. It provides version management for every page and allows users to edit images through an embedded editor on the page.concrete5 Beginner's Guide shows you everything you need to get your own site up and running in no time. You will then learn how to change the look of it before you find out all you need to add custom functionality to concrete5.concrete5 Beginner's Guide starts with installation, then you customize the look and feel and continue to add your own functionality. After you've installed and configured your own concrete5 site, we'll have a closer look at themes and integrate a simple layout into concrete5. Afterwards, we're going to build a block from scratch which you can use to manage a news section. We're also going to add a button to our site which can be used to create a PDF document on the fly. This book also covers some examples that show you how to integrate an existing jQuery plugin.concrete5 Beginner's Guide is a book for developers looking to get started with concrete5 in order to create great websites and applications.
David Strack
concrete5 is an increasingly popular open source content management system because of its incredible and easy-to-use interface. But, it also comes complete with a robust PHP framework, allowing web developers to create custom websites and applications with ease.concrete5 Cookbook is a practical collection of solutions to tasks that both novice and experienced concrete5 developers face on a regular basis. Readers will learn multiple subjects, including full blueprints for developing an event calendar add-on and an image gallery block. Developers new to concrete5 will quickly learn how to customize concrete5 to their needs, and seasoned pros will find it an excellent quick reference for performing specific tasks.concrete5 Cookbook will transform ordinary PHP developers into concrete5 experts capable of bending concrete5 to their will and unleashing the true power of this up-and-coming content management system. Throughout the course of over 140 recipes and 3 bonus project blueprint chapters, PHP developers will learn how to create custom blocks and dashboard interfaces as well as programmatically work with pages, files, users, permissions, and more. Discover the built-in Active Record support that makes working with databases simple and maintainable. Readers will also learn how to take advantage of the numerous helper classes included in concrete5, and will dive deep into the concrete5 MVC framework to create powerful custom websites and applications. Tie together all of the concepts learned in the recipes with 3 bonus chapters featuring complete blueprints to create a calendar add-on, an image gallery block type, and tips on how to sell your themes and add-ons for money!concrete5 Cookbook is a complete collection of recipes to solve the most common (and some not-so-common) tasks that concrete5 developers will face on a regular basis.
Atul S. Khot
Selecting the correct concurrency architecture has a significant impact on the design and performance of your applications. Concurrent design patterns help you understand the different characteristics of parallel architecture to make your code faster and more efficient.This book will help Java developers take a hands-on approach to building scalable and distributed apps by following step-by-step explanations of essential concepts and practical examples. You’ll begin with basic concurrency concepts and delve into the patterns used for explicit locking, lock-free programming, futures, and actors.You’ll explore coding with multithreading design patterns, including master, slave, leader, follower, and map-reduce, and then move on to solve problems using synchronizer patterns. You'll even discover the rationale for these patterns in distributed and parallel applications, and understand how future composition, immutability, and the monadic flow help you create more robust code.By the end of the book, you’ll be able to use concurrent design patterns to build high performance applications confidently.
Atul S. Khot
Selecting the correct concurrency architecture has a significant impact on the design and performance of your applications. Concurrent design patterns help you understand the different characteristics of parallel architecture to make your code faster and more efficient.This book will help Java developers take a hands-on approach to building scalable and distributed apps by following step-by-step explanations of essential concepts and practical examples. You’ll begin with basic concurrency concepts and delve into the patterns used for explicit locking, lock-free programming, futures, and actors.You’ll explore coding with multithreading design patterns, including master, slave, leader, follower, and map-reduce, and then move on to solve problems using synchronizer patterns. You'll even discover the rationale for these patterns in distributed and parallel applications, and understand how future composition, immutability, and the monadic flow help you create more robust code.By the end of the book, you’ll be able to use concurrent design patterns to build high performance applications confidently.
Vaibhav Gupta
As organizations become ever more global and recruitment needs intensify, the telephone interview is increasingly becoming recognized as an essential aspect of the recruitment process. However, conducting a successful telephone interview is a complex and nuanced process that requires much training and practice.Conducting a Telephone Interview is a practical and comprehensive guide covering every aspect of the telephone interview process. You will learn all the essential elements of successful telephone interviewing, including planning and verbal conduct, asking insightful and relevant questions, and consistently and accurately evaluating the answers given in order to make the correct hiring decision.Covering everything from the role of telephone interviews in the modern recruitment process to selling the job and closing a job offer with a candidate, this book investigates every aspect of the telephone interview process, giving insightful, practical advice and case studies at each point.Telephone interviewing has been shown to reduce both the time and cost of recruitment, but conducting a successful telephone interview is a complex and highly valuable skill. This book will take you on a logical and detailed journey from the planning and scheduling stage, to giving guidance on what sort of questions to ask, what answers to look for, how to dig deeper, and how to effectively evaluate a candidate.Reading this book will equip you with all the knowledge necessary to make the right hiring decisions from effective, comprehensive telephone interviews.