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Books > Computing & IT > Computer hardware & operating systems > Operating systems & graphical user interfaces (GUIs)
This bestselling on-the-job reference and test preparation guide has been fully revised for new 2022 exam objectives This fully revised and updated resource offers complete coverage of the latest release of CompTIA A+ exams 220-1101 & 220-1102. You'll find learning objectives at the beginning of each chapter, exam tips, practice exam questions, and in-depth explanations. Designed to help you pass the CompTIA A+ exams with ease, this definitive guide also serves as an essential on-the-job IT reference. Covers all exam topics, including how to: Work with CPUs, RAM, BIOS, motherboards, power supplies, and other personal computer components Install, configure, and maintain hard drives Manage input devices and removable media Set up, upgrade, and maintain Microsoft Windows Troubleshoot and fix computer problems Install printers and other peripherals Configure and secure mobile devices >Connect to the Internet Set up wired and wireless networks Protect your personal computer and your network Implement virtualization and cloud-based technologies Online content includes: Practice exams for 1101 & 1102 with hundreds of questions One hour of video training from Mike Meyers TotalSim simulations of performance-based questions A collection of Mike Meyers' favorite shareware and freeware PC tools and utilities
This book is designed to cover three objectives. One, to provide a comprehensive resource to individuals (including novice, IT/Non-HP-UX administrators, HP-UX administrators) who intend to take the Certified System Administrator for HP-UX certification exam and pass it. Two, to provide a quick and valuable on-the-job resource to HP-UX administrators, administrators of other UNIX operating system software, IT managers, programmers, and DBAs working in the HP-UX environment. Three, to provide an easy-to-understand guide to novice and IT/non-HP-UX administrators who intend to learn HP-UX from the beginning. This book contains 33 chapters. The book is organized in such a way that it helps its audience understand concepts, implementation procedures, some basic troubleshooting, command syntax, configuration files, and daemons involved. There are three key areas: UNIX fundamentals, HP-UX system administration, and HP-UX network administration. 1.UNIX Fundamentals covers the basics of UNIX. Most information is not specific to a particular UNIX flavor, but rather includes general UNIX concepts, file manipulation and security techniques, shell and awk programming, vi editor, basic commands, and other topics. Chapters 01 through 06 and chapter 21 cover this area. Unlike many other similar books, a chapter on shell scripting is presented after covering HP-UX System Administration chapters. This is done intentionally to provide readers with some practical examples based on the knowledge they have gained from UNIX Fundamentals and HP-UX System Administration chapters. 2.HP-UX System Administration covers the HP-UX-specific system administration concepts and topics including HP-UX installation methods; software and patch management; user and group account administration; disk and device file management; LVM and file system administration; swap space and printer management; system startup and shutdown procedures; kernel reconfiguration techniques; backup, restore, and system recovery functions; job automation and process control; system logging and performance monitoring; and so on. Chapters 07 through 20 cover this area. 3.HP-UX Network Administration covers HP-UX network administration concepts and topics such as OSI and TCP/IP models; network hardware overview; LAN card administration; IP subnetting and routing techniques; network troubleshooting tools; system startup services; naming services such as DNS, NIS, and LDAP; File sharing tools viz. NFS and AutoFS; Time synchronization using NTP; internet services administration; BootP/TFTP services; system security; and so on. Chapters 22 through 33 cover this area. The beginning of each chapter highlights objectives covered. The end of each chapter includes a summary as to what is learnt in the chapter. Throughout the book tables, figures, screen shots, and examples are given to explain concepts and tasks. The output generated as a result of running commands is highlighted in light grey background to differentiate it with surrounding text. The book includes several appendices one of which contains more than 550 practice exam questions. Tables of commands, important files, and service daemons are included in separate appendices.
Prepare for the updated version of Microsoft Exam AZ-900 and help demonstrate your real-world knowledge of cloud services and how they can be provided with Microsoft Azure, including high-level concepts that apply throughout Azure, and key concepts specific to individual services. Designed for professionals in both non-technical or technical roles, this Exam Ref focuses on the critical thinking and decision-making acumen needed for success at the Microsoft Certified Fundamentals level. Focus on the expertise measured by these objectives: Describe cloud concepts Describe Azure architecture and services Describe Azure management and governance This Microsoft Exam Ref: Organizes its coverage by exam objectives Features strategic, what-if scenarios to challenge you Assumes you want to show foundational knowledge of cloud services and their delivery with Microsoft Azure About the Exam Exam AZ-900 focuses on knowledge needed to describe cloud computing; the benefits of using cloud services; cloud service types; core Azure architectural components; Azure compute, networking, and storage services; Azure identity, access, and security; Azure cost management; Azure features and tools for governance and compliance, and for managing and deploying resources; and Azure monitoring tools. About Microsoft Certification Passing this exam fulfills your requirements for the Microsoft Certified: Azure Fundamentals credential, validating your basic knowledge of cloud services and how those services are provided with Azure. Whether you're new to the fi eld or a seasoned professional, demonstrating this knowledge can help you jump-start your career and prepare you to dive deeper into the many technical opportunities Azure offers.
The definitive expert guide to Windows is now rewritten from the ground up to deliver the most valuable, detailed hands-on insights for maximizing your productivity with Windows 11. Legendary Windows expert Ed Bott reveals the full power of Windows 11's most innovative new features, and offers detailed guidance on making the most of Microsoft's new Windows with modern PC hardware and cloud services. Windows 11 isn't just an incremental update: it's a thorough and thoughtful reworking of Windows, from user experience to security-a new way of working, for more than 250,000,000 new device owners every year. Now, backed with insider support from Microsoft's own Windows teams, Bott presents better, smarter ways to work with it: hundreds of timesaving tips, practical solutions, troubleshooting techniques, and easy workarounds you won't find anywhere else. In one supremely well-organized reference, you'll find authoritative coverage of all this, and much more: Windows 11's new user experience, from reworked Start menu and Settings app to voice input The brand-new Windows 365 option for running Windows 11 as a Cloud PC, accessible from anywhere Major security and privacy enhancements that leverage the latest PC hardware Expert insight and options for installation, configuration, deployment, and management - from the individual to the enterprise Getting more productivity out of Windows 11's built-in apps and advanced Microsoft Edge browser Improving performance, maximizing power efficiency, troubleshooting, and backup/recovery Managing and automating Windows with PowerShell, Windows Terminal, and other pro tools Running Android apps on Windows 11, and using the Windows subsystem for Linux
Each Student Book and ActiveBook have has clearly laid out pages with a range of supportive features to aid learning and teaching: Getting to know your unit sections ensure learners understand the grading criteria and unit requirements. Getting ready for Assessment sections focus on preparation for external assessment with guidance for learners on what to expect. Hints and tips will help them prepare for assessment and sample answers are provided for a range of question types including, short and long answer questions, all with a supporting commentary. Learners can also prepare for internal assessment using this feature. A case study of a learner completing the internal assessment for that unit covering 'How I got started', 'How I brought it all together' and 'What I got from the experience'. Pause Point feature provide opportunities for learners to self-evaluate their learning at regular intervals. Each Pause Point point feature gives learners a Hint or Extend option to either revisit and reinforce the topic or to encourage independent research or study skills. Case Study and Theory into Practice features enable development of problem-solving skills and place the theory into real life situations learners could encounter. Assessment Activity/Practice provide scaffolded assessment practice activities that help prepare learners for assessment. Within each assessment practice activity, a Plan, Do and Review section supports learners' formative assessment by making sure they fully understand what they are being asked to do, what their goals are and how to evaluate the task and consider how they could improve. Dedicated Think Future pages provide case studies from the industry, with a focus on aspects of skills development that can be put into practice in a real work environment and further study.
"Linux Malware Incident Response" is a "first look" at the "Malware
Forensics Field Guide for Linux Systems," exhibiting the first
steps in investigating Linux-based incidents. The Syngress Digital
Forensics Field Guides series includes companions for any digital
and computer forensic investigator and analyst. Each book is a
"toolkit" with checklists for specific tasks, case studies of
difficult situations, and expert analyst tips. This compendium of
tools for computer forensics analysts and investigators is
presented in a succinct outline format with cross-references to
supplemental appendices. It is designed to provide the digital
investigator clear and concise guidance in an easily accessible
format for responding to an incident or conducting analysis in a
lab.
Written by two experienced penetration testers the material presented discusses the basics of the OS X environment and its vulnerabilities. Including but limited to; application porting, virtualization utilization and offensive tactics at the kernel, OS and wireless level. This book provides a comprehensive in-depth guide to exploiting and compromising the OS X platform while offering the necessary defense and countermeasure techniques that can be used to stop hackers As a resource to the reader, the companion website will provide
links from the authors, commentary and updates. *Provides relevant information including some of the latest OS X threats *Easily accessible to those without any prior OS X experience *Useful tips and strategies for exploiting and compromising OS X systems *Includes discussion of defensive and countermeasure applications and how to use them *Covers mobile IOS vulnerabilities
Intelligent systems are rapidly becoming a central focus of study for researchers as they have the ability to learn and adapt during their existence in order to achieve certain goals and objectives. Intelligent Systems for Automated Learning and Adaptation: Emerging Trends and Applications presents methodologies, architectures, and approaches on experiential automated learning. This critical mass of sought after research assembles the most intriguing and innovative applications, advancements, and leading studies on the methodology of intellectual computing.
This book is the sixth volume of the successful book series on Robot Operating System: The Complete Reference. The objective of the book is to provide the reader with comprehensive coverage of the Robot Operating Systems (ROS) and the latest trends and contributed systems. ROS is currently considered as the primary development framework for robotics applications. There are seven chapters organized into three parts. Part I presents two chapters on the emerging ROS 2.0 framework; in particular, ROS 2.0 is become increasingly mature to be integrated into the industry. The first chapter from Amazon AWS deals with the challenges that ROS 2 developers will face as they transition their system to be commercial-grade. The second chapter deals with reactive programming for both ROS1 and ROS. In Part II, two chapters deal with advanced robotics, namely on the usage of robots in farms, and the second deals with platooning systems. Part III provides three chapters on ROS navigation. The first chapter deals with the use of deep learning for ROS navigation. The second chapter presents a detailed tuning guide on ROS navigation and the last chapter discusses SLAM for ROS applications. I believe that this book is a valuable companion for ROS users and developers to learn more ROS capabilities and features.
The Second Edition of the Best Damn Windows Server Book Period is
completely revised and updated to Windows Server 2008.
As technology expands and evolves, one-dimensional, graphical user
interface (GUI) design becomes increasingly limiting and
simplistic. Designers must meet the challenge of developing new and
creative interfaces that adapt to meet human needs and
technological trends. HCI Beyond the GUI provides designers with
this know how by exploring new ways to reach users that involve all
of the human senses. Dr. Kortum gathers contributions from leading
human factors designers to present a single reference for
professionals, researchers, and students.
Contrary to popular belief, there has never been any shortage of
Macintosh-related security issues. OS9 had issues that warranted
attention. However, due to both ignorance and a lack of research,
many of these issues never saw the light of day. No solid
techniques were published for executing arbitrary code on OS9, and
there are no notable legacy Macintosh exploits. Due to the combined
lack of obvious vulnerabilities and accompanying exploits,
Macintosh appeared to be a solid platform. Threats to Macintosh's
OS X operating system are increasing in sophistication and number.
Whether it is the exploitation of an increasing number of holes,
use of rootkits for post-compromise concealment or disturbed denial
of service, knowing why the system is vulnerable and understanding
how to defend it is critical to computer security.
Microsoft Forefront is a comprehensive suite of security products
that will provide companies with multiple layers of defense against
threats. Computer and Network Security is a paramount issue for
companies in the global marketplace. Businesses can no longer
afford for their systems to go down because of viruses, malware,
bugs, trojans, or other attacks. Running a Microsoft Forefront
Suite within your environment brings many different benefits.
Forefront allows you to achieve comprehensive, integrated, and
simplified infrastructure security. This comprehensive suite of
tools provides end-to-end security stretching from Web servers back
to the desktop. This book will provide system administrators
familiar with Syngress' existing Microsoft networking and security
titles with a complete reference to Microsoft's flagship security
products.
Digital signal processing is now a growing area of study invading all walks of organizational life, from consumer products to database management. ""Web-Based Supply Chain Management and Digital Signal Processing: Methods for Effective Information Administration and Transmission"" presents trends and techniques for successful intelligent decision-making and transfer of products through digital signal processing. A defining collection of field advancements, this publication provides the latest and most complete research in supply chain management with examples and case studies useful for those involved with various levels of management. |
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