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CCENT ICND1 Study Guide: Exam 100-105

by Todd Lammle

NOTE: The correct URL to access the Sybex interactive online test bank and study tools is www.wiley.com/go/sybextestprep. The book's back cover, Introduction, and last page in the book provided the wrong URL. We apologize for any confusion and inconvenience this may have caused you.Complete CCENT preparation with hands-on practice and robust study aids The CCENT Study Guide, 3rd Edition offers complete conceptual and practical study tools for the Cisco Certified Entry Networking Technician exam. Written by networking expert Todd Lammle, this study guide provides everything you need to pass the CCENT with flying colors. 100% coverage of the all exam objectives includes detailed discussion on IP data networks, IPv4 and IPv6 addressing, switching and routing, network security, and much more. Todd draws on 30 years of experience to give you practical examples and real-world insights that go way beyond exam prep, and plenty of hands-on labs help you gain experience with important tasks. The Sybex interactive online learning tools include a pre-assessment test to show you how much you already know, two bonus ICND-1 practice exams to test your understanding, and hundreds of sample questions and over 100 flashcards provide quick review. Exclusive to this study guide is 30 days free online video training with over 17 hours of additional instruction from the experts at ITPro TV. The CCENT is the entry-level certification for those looking to break into the networking field. As a part of the CCNA certification process, the exam is comprehensive--and a comprehensive study guide is essential. This study guide helps you develop the skills and knowledge you need to be confident on exam day. Review all CCENT exam objectives Access online study tools and practice ICND1 exams Get hands-on experience with dozens of labs Master switching and routing, troubleshooting, security, and more Don't bother parsing technical references or trying to figure it out yourself. This book allows you to learn and review with networking's leading authority, with clear explanations, practical instruction, and real-world insight. When you're ready for the next step in your career, the CCENT Study Guide, 3rd Edition gets you on track to succeed on the CCENT exam.

CCENT Study Guide

by Todd Lammle

The latest offering from Cisco Expert Todd Lammle for the New CCENT CertificationWritten by industry expert and Cisco networking guru, Todd Lammle, CCENT Study Guide improves on the popular Sybex Study Guide approach by providing 100 percent coverage of the ICND1 (#100-101) exam objectives. The book contains detailed information and examples on crucial Cisco networking topics, and provides practical examples and insights drawn from Todd's almost 30 years of real-world experience. You'll also have access to dozens of hands-on labs to get the necessary experience needed to pass the exam.Covers operating IP data networksDeciphers understanding switching and routing technologiesDiscusses troubleshooting and network securityExplains working with IPv4 and IPv6 addressingIn addition, access is provided to a robust set of learning tools, including the Sybex test engine with hundreds of sample questions, a pre-assessment test, ICND1 practice exams, and electronic flashcards. BONUS: Also includes a network simulator for readers to perform all of the hands-on labs included in the book and author videos.

CCNA® Security Study Guide

by Tim Boyles

A complete study guide for the new CCNA Security certification exam In keeping with its status as the leading publisher of CCNA study guides, Sybex introduces the complete guide to the new CCNA security exam. The CCNA Security certification is the first step towards Cisco's new Cisco Certified Security Professional (CCSP) and Cisco Certified Internetworking Engineer-Security. CCNA Security Study Guide fully covers every exam objective. The companion CD includes the Sybex Test Engine, flashcards, and a PDF of the book. The CCNA Security certification is the first step toward Cisco's new CCSP and Cisco Certified Internetworking Engineer-Security Describes security threats facing modern network infrastructures and how to mitigate threats to Cisco routers and networks using ACLs Explores implementing AAA on Cisco routers and secure network management and reporting Shows how to implement Cisco IOS firewall and IPS feature sets plus site-to-site VPNs using SDM CD includes the Sybex Test Engine, flashcards, and the book in PDF format With hands-on labs and end-of-chapter reviews, CCNA Security Study Guide thoroughly prepares you for certification. Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.

CCNA Certification All-in-One For Dummies

by Silviu Angelescu

A complete preparation guide for the entry-level networking CCNA certification If you're planning to advance your career by taking the all-important Cisco Certified Network Associate (CCNA), this is the study guide you need! Seven minibooks cover all the concepts and topics on which you'll be tested, covering the latest version of the exam. Each part of the exam is covered thoroughly in its own section, so you can readily find the information you want to study. Plenty of review questions help you prepare, and the companion CD-ROM includes the highly rated Dummies Test Engine so you can test your progress with questions based on exam content. The Cisco Certified Network Associate (CCNA) is the entry-level certification for network professionals Seven minibooks in this guide cover Secure Device Manager, Virtual Private Networks, IPv6, 2960 Switches, Cisco Network Assistant, Advanced EIGRP and OSPF, and Introduction to Wireless Networks Covers the latest version of the exam, including the new voice, security and wireless components added in 2008 Packed with review questions to help you prepare Includes more security and troubleshooting information CD-ROM includes the popular Dummies Test Engine, an exclusive, fully customizable test-prep software package that features twice as many sample questions as the previous version CCNA Certification All-In-One For Dummies is the preparation guide you need to earn your CCNA certification. Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.

CCNA Data Center - Introducing Cisco Data Center Networking Study Guide

by Todd Lammle John Swartz

A must-have study guide for exam 640-911 on Cisco's Unified Data Center The Cisco Certified Network Associate Data Center certification is Cisco's newest certification, covering the Cisco Unified Data Center technologies. Written by unparalleled author and Cisco authority Todd Lammle, and CCIE John Swartz, this comprehensive study guide is essential reading for anyone preparing to take the 640-911 exam (Introducing Cisco Data Center Networking), providing in-depth coverage of all the exam's objectives. In addition, it offers expanded coverage on key topics reflected on the exam. Addresses understanding basic networking and ethernet technologies Reviews the OSI and DoD model and TCP/IP Transport Layer Covers basic IP routing technologies, layer 2 switching technologies, and routing principles Provides an introduction to Nexus switch as well as how to configure it CCNA Data Center Study Guide offers you access to additional study tools, including bonus practice exams, electronic flashcards, a searchable PDF of a glossary of terms. Plus, you will be able to use the free nexus simulator to perform all the hands-on labs in the book.

CCNA Routing and Switching Deluxe Study Guide

by Todd Lammle William Tedder

Get More with the Deluxe EditionThis Deluxe Edition of our bestselling CCNA Study Guide features a ton of bonus materials including more than 1,000 practice questions, author videos, a network simulator that can be used to perform all of the hands-on exercises, and the e-book in multiple formats. The book contains 100% coverage the ICND1, ICND2, and CCNA Composite exams, and features detailed information and examples on crucial Cisco networking topics drawn from Todd Lammle's more than 30 years of real-world experience. This Deluxe Study Guide contains authoritative coverage of all exam topics, including: Operation of IP Data NetworksLAN Switching TechnologiesIP Addressing (IPv4 / IPv6)IP Routing TechnologiesIP ServicesNetwork Device SecurityTroubleshootingLAN Switching Technologies WAN Technologies With all of the bonus materials, this Deluxe Edition of the Sybex CCNA Routing and Switching Study Guide gives you the tools you need to study, practice, and review so that you can approach the exam with confidence.

CCNA Routing and Switching Review Guide

by Todd Lammle

Todd Lammle's focused, concise review guide, updated for the latest CCNA examsCCNA is one of the most sought after certifications for IT professionals. If you're preparing for the CCNA Routing and Switching certification, this Sybex review guide offers the best quick review available. Organized by exam objective, it's the perfect supplement to other learning tools, including the Sybex CCNA Routing and Switching Study Guide (ISBN: 9781118749616). All exam topics from exams 100-101, 200-101, and 200-120 are thoroughly covered, and additional study materials including bonus exams, electronic flashcards, and a searchable glossary of terms are also available.Organized by exam objectives, this Sybex review guide provides a thorough and intensive review of all topics required for the CCNA Routing and Switching certification examsLead author Todd Lammle is a Cisco networking authority and the bestselling author of numerous Cisco exam-prep booksCovers exams 100-101, 200-101, and 200-120, and is a perfect companion to Sybex's CCNA Routing and Switching Study GuideAdditional study materials are available, including bonus practice exams, electronic flashcard questions, and a glossary of terms in searchable PDF formUsing the CCNA Routing and Switching Review Guide will boost your confidence as you approach exams 100-101, 200-101, and 200-120.

CCNA Routing and Switching Study Guide

by Todd Lammle

Prepare for the new CCNA exams with this Todd Lammle study guideCisco author, speaker, and trainer Todd Lammle is considered the authority on all things networking, and his books have sold almost a million copies worldwide. This all-purpose CCNA study guide methodically covers all the objectives of the ICND1 (100-101) and ICND2 (200-101) exams as well as providing additional insight for those taking CCNA Composite (200-120) exam. It thoroughly examines operation of IP data networks, LAN switching technologies, IP addressing (IPv4/IPv6), IP routing technologies, IP services, network device security, troubleshooting, and WAN technologies.Valuable study tools such as a companion test engine that includes hundreds of sample questions, a pre-assessment test, and multiple practice exams. Plus, you'll also get access to hundreds of electronic flashcards, author files, and a network simulator.CCNA candidates may choose to take either the ICND1(100-101) and ICND2 (200-101) exams or the CCNA Composite exam (200-120); this study guide covers the full objectives of all threeWritten by bestselling Sybex study guide author Todd Lammle, an acknowledged authority on all things CiscoCovers essential Cisco networking topics such as operating an IP data network, IP addressing, switching and routing technologies, troubleshooting, network device security, and much moreIncludes a comprehensive set of study tools including practice exams, electronic flashcards, comprehensive glossary of key terms, videos, and a network simulator that can be used with the book's hands-on labsBonus Content: Access to over 40 MicroNugget videos from CBT NuggetsCCNA Routing and Switching Study Guide prepares you for CCNA certification success.

CCNA Voice Study Guide

by Andrew Froehlich

The ultimate guide to the new CCNA voice network administrator certification examThe new CCNA Voice exam tests candidates on their ability to implement a Cisco VoIP solution. Network administrators of voice systems will appreciate that the CCNA Voice Study Guide focuses completely on the information required by the exam.Along with hands-on labs and an objective map showing where each objective is covered, this guide includes a CD with the Sybex Test Engine, flashcards, and entire book in PDF format.The new CCNA Voice certification will be valuable for administrators of voice network systems using Cisco VoIP solutionsFrom Sybex, the leading CCNA publisher, this guide offers in-depth coverage of every exam objective and the technology developed by Cisco for VoIP systemsCovers the components of the Cisco Unified Communications Architecture as well as PSTN and VoIP components and technologiesShows how to configure gateways, voice ports, and dial peersDemonstrates how to configure a Cisco network to support VoIP and implement voicemailCD-ROM includes the Sybex Test Engine, flashcards, and entire book in PDF formatCCNA Voice Study Guide will thoroughly prepare candidates for the new CCNA Voice certification.Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.

CCNA Wireless Study Guide

by Todd Lammle

A complete guide to the CCNA Wireless exam by leading networking authority Todd Lammle The CCNA Wireless certification is the most respected entry-level certification in this rapidly growing field. Todd Lammle is the undisputed authority on networking, and this book focuses exclusively on the skills covered in this Cisco certification exam. The CCNA Wireless Study Guide joins the popular Sybex study guide family and helps network administrators advance their careers with a highly desirable certification. The CCNA Wireless certification is the most respected entry-level wireless certification for system administrators looking to advance their careers Written by Todd Lammle, the leading networking guru and author of numerous bestselling certification guides Provides in-depth coverage of every exam objective and the technology developed by Cisco for wireless networking Covers WLAN fundamentals, installing a basic Cisco wireless LAN and wireless clients, and implementing WLAN security Explains the operation of basic WCS, basic WLAN maintenance, and troubleshooting Companion CD includes the Sybex Test Engine, flashcards, and entire book in PDF format Includes hands-on labs, end-of-chapter review questions, Exam Essentials overview, Real World Scenarios, and a tear-out objective map showing where each exam objective is covered The CCNA Wireless Study Guide prepares any network administrator for exam success. Note: CD-ROM/DVD and other supplementary materials are not included as part of eBook file.

CDO & MAPI Programming with Visual Basic

by Dave Grundgeiger

Computers and devices are more connected now than ever before. Why? Because the humans who use those computers need to collaborate. We need to share information, and we need to do it quickly, without regard to the physical distance that separates us. Corporate solution developers now more than ever have the opportunity and responsibility to enable people to communicate in ways never before possible. CDO and MAPI Programming with Visual Basic: Developing Mail and Messaging Applications dives deep into Microsoft's Collaboration Data Objects (CDO) and the Messaging Application Programming Interface (MAPI), then moves into succinct explanations of the types of useful messaging applications that can be written in Visual Basic. Microsoft has given the Visual Basic community Collaboration Data Objects (CDO)--a technology that goes far beyond simple email, fully into the realm of information workflow. CDO enables Visual Basic applications to exchange not only classic email, but in fact any information in a straightforward and easy way. The Internet--sometimes seen as a barrier by developers--is turned into an open pipe, ready to take your application's data around the world. Routing documents and building email list servers is just the beginning. Harness the power of worldwide communication in your everyday business applications. MAPI is the cornerstone of messaging on the Windows platforms, and profoundly influences the way you will write your collaboration applications. Understanding this technology lays the foundation for adding effective collaboration capabilities to your own applications. CDO and MAPI Programming with Visual Basic: Developing Mail and Messaging Applications fills a gap in an exciting and relatively young, yet popular, technology that lacks adequate documentation.

CEH: Certified Ethical Hacker Version 8 Study Guide

by Sean-Philip Oriyano

Prepare for the new Certified Ethical Hacker version 8 examwith this Sybex guideSecurity professionals remain in high demand. The CertifiedEthical Hacker is a one-of-a-kind certification designed to givethe candidate a look inside the mind of a hacker. This study guideprovides a concise, easy-to-follow approach that covers all of theexam objectives and includes numerous examples and hands-onexercises. Coverage includes cryptography, footprinting andreconnaissance, scanning networks, enumeration of services, gainingaccess to a system, Trojans, viruses, worms, covert channels, andmuch more. A companion website includes additional study tools,Including practice exam and chapter review questions and electronicflashcards.Security remains the fastest growing segment of IT, and CEHcertification provides unique skillsThe CEH also satisfies the Department of Defense's 8570Directive, which requires all Information Assurance governmentpositions to hold one of the approved certificationsThis Sybex study guide is perfect for candidates studying ontheir own as well as those who are taking the CEHv8 courseCovers all the exam objectives with an easy-to-followapproachCompanion website includes practice exam questions, flashcards,and a searchable Glossary of key termsCEHv8: Certified Ethical Hacker Version 8 Study Guide isthe book you need when you're ready to tackle this challengingexamAlso available as a set, Etical Hacking and Web Hacking Set,9781119072171 with The Web Application Hacker's Handbook:Finding and Exploiting Security Flaws, 2nd Edition.

CEH v9: Certified Ethical Hacker Version 9 Practice Tests

by Raymond Blockmon

Master CEH v9 and identify your weak spots CEH: Certified Ethical Hacker Version 9 Practice Tests are the ideal preparation for this high-stakes exam. Five complete, unique practice tests are designed to help you identify weak spots in your understanding, so you can direct your preparation efforts efficiently and gain the confidence--and skills--you need to pass. These tests cover all five sections of the exam, allowing you to test your knowledge of Assessment; Security; Tools and Systems; Procedures and Methodology; and Regulation, Policy, and Ethics. Coverage aligns with CEH version 9, including material on cloud, tablet, and mobile phone security and attacks, as well as the latest vulnerabilities including Heartbleed, shellshock, and Poodle. The exams are designed to familiarize CEH candidates with the test format, allowing them to become more comfortable reading a Wireshark .pcap file or viewing visual depictions of network attacks. The ideal companion for the Sybex CEH v9 Study Guide, this book is an invaluable tool for anyone aspiring to this highly-regarded certification. Offered by the International Council of Electronic Commerce Consultants, the Certified Ethical Hacker certification is unique in the penetration testing sphere, and requires preparation specific to the CEH exam more than general IT security knowledge. This book of practice tests help you steer your study where it needs to go by giving you a glimpse of exam day while there's still time to prepare. Practice all five sections of the CEH v9 exam Test your knowledge of security, tools, procedures, and regulations Gauge your understanding of new vulnerabilities and threats Master the material well in advance of exam day By getting inside the mind of a hacker, you gain a one-of-a-kind perspective that dramatically boosts your marketability and advancement potential. If you're ready to attempt this unique certification, the CEH: Certified Ethical Hacker Version 9 Practice Tests are the major preparation tool you should not be without.

CEH v9: Certified Ethical Hacker Version 9 Study Guide

by Oriyano

The ultimate preparation guide for the unique CEH exam. The CEH v9: Certified Ethical Hacker Version 9 Study Guide is your ideal companion for CEH v9 exam preparation. This comprehensive, in-depth review of CEH certification requirements is designed to help you internalize critical information using concise, to-the-point explanations and an easy-to-follow approach to the material. Covering all sections of the exam, the discussion highlights essential topics like intrusion detection, DDoS attacks, buffer overflows, and malware creation in detail, and puts the concepts into the context of real-world scenarios. Each chapter is mapped to the corresponding exam objective for easy reference, and the Exam Essentials feature helps you identify areas in need of further study. You also get access to online study tools including chapter review questions, full-length practice exams, hundreds of electronic flashcards, and a glossary of key terms to help you ensure full mastery of the exam material. The Certified Ethical Hacker is one-of-a-kind in the cybersecurity sphere, allowing you to delve into the mind of a hacker for a unique perspective into penetration testing. This guide is your ideal exam preparation resource, with specific coverage of all CEH objectives and plenty of practice material. Review all CEH v9 topics systematically Reinforce critical skills with hands-on exercises Learn how concepts apply in real-world scenarios Identify key proficiencies prior to the exam The CEH certification puts you in professional demand, and satisfies the Department of Defense's 8570 Directive for all Information Assurance government positions. Not only is it a highly-regarded credential, but it's also an expensive exam--making the stakes even higher on exam day. The CEH v9: Certified Ethical Hacker Version 9 Study Guide gives you the intense preparation you need to pass with flying colors.

The Celebrity Tweet Directory

by Jeanne Harris

Tweet along with your favorite celebs! Divided by category with celebrities listed in alphabetical order so you can easily find your favorite celeb, The Celebrity Tweet Directory tweets you to conversations with hundreds of well-known actors, comedians, singers, politicians, sports figures, and more. With this handy guide, you can flutter into the world of celebrity chatter and experience how they reveal themselves in a way you don't see anywhere else. With this portable directory, you'll quickly and easily discover what's really happening in Hollywood, on Wall Street, or in Washington, all while following your favorite celeb. In addition, the helpful directory weeds out any fake celebrity twitter accounts, providing only real Twitter handles, saving you the hassle and time of sifting through phony accounts. Features a helpful celebrity directory so you can find your favorite celeb and enjoy sweet tweets from the hottest actors, singers, politicians, sports figures, and more Weeds out any phony celebrity accounts, saving you the hassle of sorting through fake accounts Helps keep you in the know with celebrities on the go, so you're up on what's happening everywhere from Beverly Hills to Capitol Hill Be the first to hear celebrity buzz and get the chic tweets from your fave celebs with The Celebrity Tweet Directory!

Cell

by Robin Cook

George Wilson, M. D. , a radiology resident in Los Angeles, is about to enter a profession on the brink of an enormous paradigm shift, foreshadowing a vastly different role for doctors everywhere. The smartphone is poised to take on a new role in medicine, no longer as a mere medical app but rather as a fully customizable personal physician capable of diagnosing and treating even better than the real thing. It is called iDoc. George's initial collision with this incredible innovation is devastating. He awakens one morning to find his fiancée dead in bed alongside him, not long after she participated in an iDoc beta test. Then several of his patients die after undergoing imaging procedures. All of them had been part of the same beta test. Is it possible that iDoc is being subverted by hackers-and that the U. S. government is involved in a cover-up? Despite threats to both his career and his freedom, George relentlessly seeks the truth, knowing that if he's right, the consequences could be lethal.

Cell Phone Safety

by Frank W. Baker Kathy Allen

If you get a text from a stranger, do you know what to do? Don't worry if you don't. This book is here to help! Learn tech-savvy ways to keep your cell phone a safe zone without taking away all the fun!

Celtx: Open Source Screenwriting Beginner's Guide

by Ralph Roberts

This is a beginner's guide - a hand-holding fun ride with step-by-step instructions and illustrative screenshots.If you want to write a professional script or screenplay using the open source tool Celtx, this book is for you. You need not have any previous knowledge of Celtx or any other writing software.

CentOS 6 Linux Server Cookbook

by Jonathan Hobson

Presented in a step by step, easy to read tutorial style, this book presents the reader with real world solutions to every aspect of CentOS 6. "CentOS 6 Linux Server Cookbook" is for those professionals, students and enthusiasts who want a down-to-earth or hands-on approach to installing, configuring and running a Centos 6 server. Where a new user may experience this book as a series of solutions, a more experienced user will find a basis on which you can develop your existing skills. So rest assured, there is something for everyone and regardless of your current level of experience, if you are interested in using CentOS 6, then this is the book that offers the insight you need to move forward and master your server.

CentOS 7 Linux Server Cookbook - Second Edition

by Jonathan Hobson Oliver Pelz

Over 80 recipes to get up and running with CentOS 7 Linux server About This Book * A practical guide to install, configure, administer and maintain CentOS 7 servers * An in-depth guide to the CentOS 7 operating system, exploring its various new features and changes in server administration * Presents tricks and solutions to tackle common server issues with the help of practical examples and real-life scenarios Who This Book Is For This book is targeted at beginner and more experienced system administrators alike who want to use CentOS as their server solution. Readers do not need much pre-knowledge or experience at all to work with this book. What You Will Learn * Install and configure CentOS 7 Linux server system from scratch using normal and advanced methods * Maintain a performance-based and secure server solution by deploying expert configuration advice and managing software packages * Monitor, manage and develop your server's file system to maintain a stable performance * Gain best practice methods on sharing files and resources through a network * Install and configure common standard services such as web, mail, FTP, database and domain name server technologies * Introduce you to the world of operating-system-level virtualization using the Docker platform. * Understand the fundamentals of the Security-Enhanced Linux access control architecture * Monitor your IT infrastructure using Nagios In Detail This book will provide you with a comprehensive series of starting points that will give you direct access to the inner workings of the latest CentOS version 7 and help you trim the learning curve to master your server. You will begin with the installation and basic configuration of CentOS 7, followed by learning how to manage your system, services and software packages. You will then gain an understanding of how to administer the file system, secure access to your server and configure various resource sharing services such as file, printer and DHCP servers across your network. Further on, we cover advanced topics such as FTP services, building your own DNS server, running database servers, and providing mail and web services. Finally, you will get a deep understanding of SELinux and you will learn how to work with Docker operating-system virtualization and how to monitor your IT infrastructure with Nagios. By the end of this book, you will have a fair understanding of all the aspects of configuring, implementing and administering CentOS 7 Linux server and how to put it in control. Style and approach This book is a practical reference guide with hands-on examples and solutions to real-world administration problems. It covers in-depth and comprehensive information on CentOS 7 and its new features.

CentOS High Availability

by Mitja Resman

This book is targeted at system engineers and system administrators who want to upgrade their knowledge and skills in high availability and want to learn practically how to achieve high availability with CentOS Linux. You are expected to have good CentOS Linux knowledge and basic networking experience.

CentOS High Performance

by Gabriel Canepa

Create high availability clusters to enhance system performance using CentOS 7 About This Book * Master the concepts of high performance and high availability to eliminate performance bottlenecks * Maximize the uptime of services running in a CentOS 7 cluster * A step-by-step guide that will provide knowledge of methods and approaches to optimize the performance of CentOS clusters Who This Book Is For This book is targeted at system administrators: those who want a detailed, step-by-step guide to learn how to set up a high-availability CentOS 7 cluster, and those who are looking for a reference book to help them learn or refresh the necessary skills to ensure their systems and respective resources are utilized optimally. No previous knowledge of high-availability systems is needed, though the reader is expected to have at least some degree of familiarity with any spin-off of the Fedora family of Linux distributions, preferably CentOS. What You Will Learn * Install a CentOS 7 cluster and network infrastructure * Configure firewall, networking, and clustering services and settings * Set up and test a HAC (high-availability cluster) to host an Apache web server and a MariaDB database server * Monitor performance and availability * Identify bottlenecks and troubleshoot issues * Improve performance and ensure high availability In Detail CentOS is the enterprise level Linux OS, which is 100% binary compatible to Red Hat Enterprise Linux (RHEL). It acts as a free alternative to RedHat's commercial Linux offering, with only a change in the branding. A high performance cluster consists in a group of computers that work together as one set parallel, hence minimizing or eliminating the downtime of critical services and enhancing the performance of the application. Starting with the basic principles of clustering, you will learn the necessary steps to install a cluster with two CentOS 7 servers. We will then set up and configure the basic required network infrastructure and clustering services. Further, you will learn how to take a proactive approach to the split-brain issue by configuring the failover and fencing of the cluster as a whole and the quorum of each node individually. Further, we will be setting up HAC and HPC clusters as a web server and a database server. You will also master the art of monitoring performance and availability, identifying bottlenecks, and exploring troubleshooting techniques. At the end of the book, you'll review performance-tuning techniques for the recently installed cluster, test performance using a payload simulation, and learn the necessary skills to ensure that the systems, and the corresponding resources and services, are being utilized to their best capacity. Style and approach An easy-to-follow and step-by-step guide with hands-on instructions to set up real-world simple cluster scenarios that will start you on the path to building more complex applications on your own.

CentOS System Administration Essentials

by Andrew Mallett

If you are a Linux administrator who is looking to gain knowledge that differentiates yourself from the crowd, then this is the book for you. Beginners who have a keen interest to learn more about Linux administration will also progress quickly with this resourceful learning guide.

Century 21 Computer Applications and Keyboarding (7th Edition)

by Jack P. Hoggatt Jon A. Shank Jerry W. Robinson

This 7th edition is a revision of Century 21 Keyboarding & Information Processing which reflects the changing keyboarding course. The complete course contains 150 keyboarding and word processing lessons, 54 computer apps lessons, and 15 new key learning lessons (in the Resources section).

Century 21™ Computer Applications and Keyboarding, Comprehensive, Lessons 1-150

by Jack P. Hoggatt Jon A. Shank

Provide students with the best in keyboarding education from the proven keyboarding leader--now stronger than ever! This latest edition helps to prepare students for a lifetime of keyboarding success with a complete family of proven solutions updated for a new decade of business challenges. Students tap into the latest keyboarding technology, learn to master computer applications, and increase communication skills with the proven presentation from this best-selling text. Trust the leader who has taught more than 85 million to type--now bringing 100 years of publishing experience and a century of innovations together in a complete line of keyboarding solutions for you.

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