Informatyka
Comprehensive Ruby Programming. From beginner to confident programmer
Jordan Hudgens
Ruby is a powerful, general-purpose programming language that can be applied to any task. Whether you are an experienced developer who wants to learn a new language or you are new to programming, this book is your comprehensive Ruby coding guide. Starting with the foundational principles, such as syntax, and scaling up to advanced topics such as big data analysis, this book will give you all of the tools you need to be a professional Ruby developer. A few of the key topics are: object-oriented programming, built-in Ruby methods, core programming skills, and an introduction to the Ruby on Rails and Sinatra web frameworks. You will also build 10 practical Ruby programs.Created by an experienced Ruby developer, this book has been written to ensure it focuses on the skills you will need to be a professional Ruby developer. After you have read this book, you will be ready to start building real-world Ruby projects.
Ian Neil, Mark Birch
CompTIA A+ certification is a trusted credential that’s highly sought after by professionals looking to prove their mettle in today’s digital world. This book will provide you with exam-oriented practice material mirroring the A+ exam’s level of difficulty to prepare you for every challenge that the exam might throw at you.This book is a compilation of hundreds of carefully curated practice questions on each domain, including mobile devices, networking, hardware, virtualization and cloud computing, as well as hardware and network troubleshooting. The realistic tests are designed in a way to help you accelerate your preparation to achieve the industry-celebrated A+ certification.By the end of this practice book, you’ll be well-prepared to pass the CompTIA A+ Core 1 (220-1101) exam with confidence.
Mark Birch, Ian Neil
The CompTIA A+ Core 2 certification validates the knowledge you need to support common operating systems and software installations. This book tests the skills essential for you to secure computing environments and troubleshoot common computing issues, while adhering to operational procedures through practice questions.Using proven techniques to test a candidate's knowledge of Core 2 (220-1102) exam objectives, this book will ensure that you're well-prepared to pass the exam on your first attempt. The chapters in this book comprise multiple-choice questions at the same level of difficulty as those you’ll find in the official exam. All the questions are broken down into different chapters according to each exam domain, finishing with a 90-question mock exam to prepare you to confidently take the real exam. The chapters are designed in a way to not only test your knowledge, but also your ability to handle pressure during the exam.By the end of this practice test book, you’ll be well-prepared to pass the CompTIA A+ Core 2 exam with confidence.
Ian Neil, Mark Birch
The CompTIA A+ exam is not only a valuable foundational certification, but also the key to unlocking a world of exciting career possibilities in the ever-dynamic IT landscape. This book combines the best-in-class practice tests for the exam, offering a substantial volume of exam-oriented practice material and mirroring the A+ exam's level of difficulty to ensure that you are not just prepared, but brimming with confidence when you sit for the A+ exam.The book begins with Core 1, delving into mobile devices, networking, hardware, virtualization, cloud computing, and troubleshooting. The chapters help you consolidate foundational knowledge essential for supporting computer software and hardware. As you progress to Core 2, you’ll review the knowledge you need to support common operating systems and software installations. This book grants you lifelong access to valuable supplementary resources available on an online platform, which include A+ flashcards and invaluable exam insights. With unlimited website access, you’ll have the freedom to practice as often as you wish, optimizing your readiness for the exam.By the end of this book, you’ll be fully prepared to confidently take both the CompTIA A+ Core 1 and Core 2 exams.
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.
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.