CompTIA ITF+ CertMike: Exam FC0-U61 (2023)

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Table of ContentsCOVERTITLE PAGECOPYRIGHTDEDICATIONACKNOWLEDGMENTSABOUT THE AUTHORSABOUT THE TECHNICAL EDITORINTRODUCTIONTHE ITF+ EXAMWHAT DOES THIS BOOK COVER?EXAM FC0-U61 EXAM OBJECTIVESFC0-U61 CERTIFICATION EXAM OBJECTIVE MAPHOW TO CONTACT THE PUBLISHERPART I: Domain 1.0: IT Concepts and TerminologyCHAPTER 1: Notational SystemsSTORING DATACHARACTER ENCODINGCHAPTER 2: Data TypesDATA TYPESCHAPTER 3: Computing BasicsCOMPUTER ACTIONSCHAPTER 4: Value of DataDATA AND INFORMATIONINTELLECTUAL PROPERTYSECURING DATACHAPTER 5: Units of MeasureMEASURING DATA STORAGE

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MEASURING DATA THROUGHPUTMEASURING PROCESSOR SPEEDCHAPTER 6: Troubleshooting MethodologyTROUBLESHOOTING METHODOLOGYPART II: Domain 2.0: InfrastructureCHAPTER 7: Input/Output Device InterfacesNETWORK INTERFACESPERIPHERAL INTERFACESGRAPHIC INTERFACESCHAPTER 8: Installing PeripheralsPERIPHERAL TYPESINSTALLING AND CONFIGURING PERIPHERALSCHAPTER 9: Internal Computing ComponentsCPUMOTHERBOARDFIRMWAREMEMORYDISK DRIVESNETWORK INTERFACE CARDSGPUPOWER AND COOLINGCHAPTER 10: Internet Service TypesSERVICE TYPESCHAPTER 11: StorageVOLATILE STORAGENONVOLATILE STORAGECHAPTER 12: Computing DevicesCOMPUTING DEVICE TYPESINTERNET OF THINGS

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CHAPTER 13: TCP/IP NetworkingNETWORK TYPESTCP/IP NETWORKINGNETWORK ADDRESSINGCHAPTER 14: Application ProtocolsAPPLICATION PROTOCOLSCHAPTER 15: Network DevicesMODEMSSWITCHESROUTERSFIREWALLSACCESS POINTSCHAPTER 16: Wireless NetworksWIRELESS NETWORKINGWIRELESS SIGNAL PROPAGATIONWIRELESS SECURITYWIRELESS ENCRYPTIONPART III: Domain 3.0: Applications and SoftwareCHAPTER 17: Operating SystemsOPERATING SYSTEM ROLESOPERATING SYSTEM TYPESCHAPTER 18: VirtualizationVIRTUALIZATIONCHAPTER 19: FilesystemsFILES AND FILESYSTEMSFILESYSTEM FEATURESFILESYSTEM TYPESCHAPTER 20: Services and ProcessesAPPLICATIONS

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PROCESSESSERVICESCHAPTER 21: Drivers, Utilities, and InterfacesDRIVERSINTERFACESUTILITIESCHAPTER 22: Software TypesSOFTWARECHAPTER 23: Application Architecture and DeliveryAPPLICATION DELIVERYAPPLICATION ARCHITECTURECHAPTER 24: Web BrowsersHOW THE WEB WORKSCONFIGURING WEB BROWSERSPROXY SERVERSDIGITAL CERTIFICATESCHAPTER 25: Application Concepts and UsesSOFTWARE COMPATIBILITYSOFTWARE INSTALLATION BEST PRACTICESSOFTWARE LICENSINGPART IV: Domain 4.0: Software Development ConceptsCHAPTER 26: Programming LanguagesPROGRAMMING LANGUAGE CATEGORIESSPECIALIZED LANGUAGESIDENTIFYING LANGUAGESCHAPTER 27: Programming Organizational TechniquesPSEUDOCODEFLOWCHARTSCHAPTER 28: Logic Components

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BRANCHINGLOOPINGCHAPTER 29: Programming ConceptsVARIABLES AND ARRAYSDATA TYPESFUNCTIONSOBJECTSPART V: Domain 5.0: Database FundamentalsCHAPTER 30: Database ConceptsDATABASESUSING A DATABASECHAPTER 31: Database StructuresSTRUCTURING DATARELATIONAL DATABASESNONRELATIONAL DATABASESCHAPTER 32: Database InterfacesSTRUCTURED QUERY LANGUAGE (SQL)DATABASE ACCESS METHODSPART VI: Domain 6.0: SecurityCHAPTER 33: Confidentiality, Integrity, and AvailabilityTHE CIA TRIADCONFIDENTIALITYINTEGRITYAVAILABILITYCHAPTER 34: Securing DevicesDEVICE SECURITYSOFTWARE SECURITYCHAPTER 35: Behavioral SecurityPRIVACY

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SECURITY POLICIES AND PROCEDURESCHAPTER 36: Authentication, Authorization, Accounting,and NonrepudiationACCESS CONTROLAUTHENTICATION FACTORSAUTHORIZATIONACCOUNT TYPESNONREPUDIATIONCHAPTER 37: Password Best PracticesPASSWORD POLICIESCHAPTER 38: EncryptionCRYPTOGRAPHYUSES OF ENCRYPTIONCHAPTER 39: Business Continuity and Disaster RecoveryBUSINESS CONTINUITYDISASTER RECOVERYINDEXEND USER LICENSE AGREEMENTList of TablesChapter 1TABLE 1.1 Decimal conversion of 2-bit valuesTABLE 1.2 Decimal conversion of 3-bit valuesTABLE 1.3 Binary, decimal, and hexadecimal equivalentvaluesChapter 2TABLE 2.1 Product informationChapter 5

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TABLE 5.1 Possible combinations of 2 bitsTABLE 5.2 Possible combinations of 3 bitsTABLE 5.3 Data storage unitsTABLE 5.4 Data throughput unitsChapter 11TABLE 11.1 Common disc typesChapter 16TABLE 16.1 Wireless standard frequencies and speedTABLE 16.2 Wireless encryption optionsChapter 19TABLE 19.1 Summary of filesystem characteristicsChapter 30TABLE 30.1TABLE 30.2 Customer contact information stored in adatabase tableTABLE 30.3 Restaurant location information stored in adatabase tableTABLE 30.4 Product inventory information stored in adatabase tableList of IllustrationsChapter 1FIGURE 1.1 A single bit can only hold two values: 0 and 1.FIGURE 1.2 Two bits can hold four possible values.FIGURE 1.3 One decimal digit can hold 10 possible values.FIGURE 1.4 A single hexadecimal digit can hold 16 possiblevalues.

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Chapter 2FIGURE 2.1 Data type flowchartChapter 4FIGURE 4.1 A spreadsheet of temperature readings is onlydata.FIGURE 4.2 Plotting data over time is one way we cantransform it into infor...FIGURE 4.3 Information can drive action.FIGURE 4.4 Copyright symbolFIGURE 4.5 Symbols used to denote (a) trademarks and (b)registered trademar...Chapter 6FIGURE 6.1 CompTIA's eight-step troubleshootingmethodologyChapter 7FIGURE 7.1 Wall plate containing four network jacksFIGURE 7.2 RJ-45 network connectorFIGURE 7.3 RJ-11 telephone connectorFIGURE 7.4 USB connectorsFIGURE 7.5 FireWire connectorsFIGURE 7.6 SATA and eSATA connectorsFIGURE 7.7 VGA connectorFIGURE 7.8 DVI connectorsFIGURE 7.9 HDMI connectorFIGURE 7.10 DisplayPort and Mini DisplayPort connectorsChapter 8FIGURE 8.1 Keyboard and mouse

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FIGURE 8.2 Typical computer displayFIGURE 8.3 Computer speakersFIGURE 8.4 Typical desktop printerFIGURE 8.5 Typical desktop scannerFIGURE 8.6 Camera used to capture still images and videoChapter 9FIGURE 9.1 Central processing unit (CPU)FIGURE 9.2 MotherboardFIGURE 9.3 Dual in-line memory module (DIMM)FIGURE 9.4 Hard disk drive (HDD)FIGURE 9.5 Solid-state drive (SSD)FIGURE 9.6 Network interface card (NIC)FIGURE 9.7 Graphics processing unit (GPU)FIGURE 9.8 Computer power supply unit (PSU)Chapter 11FIGURE 11.1 Magnetic hard disk drive (HDD)FIGURE 11.2 Solid-state drive (SDD)FIGURE 11.3 USB flash driveFIGURE 11.4 SD cardFIGURE 11.5 Optical discFIGURE 11.6 Network attached storage (NAS) arrayChapter 12FIGURE 12.1 Desktop computer systemFIGURE 12.2 Server racks in a data centerFIGURE 12.3 Laptop computerFIGURE 12.4 Smartphone

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FIGURE 12.5 Tablet computerFIGURE 12.6 Convertible laptop being used as a tabletFIGURE 12.7 Gaming consoleChapter 13FIGURE 13.1 Communication from a user to a web serverFIGURE 13.2 Communication from a web server to a userChapter 15FIGURE 15.1 Cable modemFIGURE 15.2 Network switchesFIGURE 15.3 Network firewall deploymentFIGURE 15.4 Wireless access pointChapter 16FIGURE 16.1 SOHO wireless access pointChapter 19FIGURE 19.1 Directory structureFIGURE 19.2 File permission settingsFIGURE 19.3 Uncompressed Macbeth scriptFIGURE 19.4 Compressed Macbeth scriptChapter 20FIGURE 20.1 Activity Monitor on a MacFIGURE 20.2 Windows Task ManagerChapter 21FIGURE 21.1 GUI on a MacFIGURE 21.2 GUI on a Windows systemFIGURE 21.3 Terminal on a MacFIGURE 21.4 Command shell on a Windows system

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Chapter 22FIGURE 22.1 Editing a chapter in Microsoft WordFIGURE 22.2 Creating a pie chart in Google SheetsFIGURE 22.3 Editing a slide deck in Apple KeynoteFIGURE 22.4 Accessingcomptia.orgusing Google ChromeFIGURE 22.5 Creating a network diagram in LucidchartFIGURE 22.6 Conferencing software hosting a video meetingFIGURE 22.7 Collaborating with Microsoft TeamsChapter 23FIGURE 23.1 Two-tier applications involve the client and oneserver.FIGURE 23.2 Three-tier applications involve the client andtwo tiers of serv...Chapter 24FIGURE 24.1 Retrieving a web pageFIGURE 24.2 Clearing browsing data in ChromeFIGURE 24.3 Activating incognito mode in ChromeFIGURE 24.4 Deactivating client-side scripting in ChromeFIGURE 24.5 Managing browser extensions in ChromeFIGURE 24.6 Disabling pop-ups and redirects in ChromeFIGURE 24.7 Configuring a proxy server on a MacFIGURE 24.8 Valid certificate forCertMike.comFIGURE 24.9 Invalid certificate warning forwrong.host.badssl.comChapter 26FIGURE 26.1 Code written in the R programming languageFIGURE 26.2 Web page written in HTML

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FIGURE 26.3 Document written in XMLFIGURE 26.4 Language summary chartChapter 27FIGURE 27.1 Temperature adjustment flowchartFIGURE 27.2 Common flowchart shapesChapter 29FIGURE 29.1 TheProductobjectFIGURE 29.2 Instances of theProductobject for a bicycle anda TVFIGURE 29.3 Updated instances of theProductobject for abicycle and a TVChapter 30FIGURE 30.1 Recipe exampleChapter 31FIGURE 31.1 Microsoft Excel spreadsheetFIGURE 31.2 AdventureWorks database schemaFIGURE 31.3 Customers database tableFIGURE 31.4 Orders database tableFIGURE 31.5 CustomerID is a foreign key from the Orderstable to the Custome...FIGURE 31.6 Table from a key-value storeChapter 32FIGURE 32.1 SQL command summaryFIGURE 32.2 Executing a SQL command in Azure DataStudioChapter 33FIGURE 33.1 The CIA triad summarizes the three mainconcerns of cybersecurit...

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Chapter 36FIGURE 36.1 Fingerprint authentication on a smartphoneFIGURE 36.2 Eye scan authentication entering a facilityFIGURE 36.3 Microsoft Windows access control listChapter 37FIGURE 37.1 Creating a password in LastPassChapter 38FIGURE 38.1 Plain text messageFIGURE 38.2 Ciphertext message obtained by encrypting theplain text in Figu...

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WILEY BOOKS IN THE CERTMIKE SERIESCompTIA ITF+ CertMike:Prepare. Practice.Pass the Test! Get Certified! Exam FC0-U61by Mike Chapple(ISBN 9781119897811)CompTIA A+ CertMike:Prepare. Practice.Pass the Test! Get Certified! Core 1 Exam 220-1101by Mike Chapple and Mark Soper(ISBN 9781119898092)CompTIA A+ CertMike:Prepare. Practice.Pass the Test! Get Certified! Core 2 Exam 220-1102by Mike Chapple and Mark Soper(ISBN 9781119898122)CompTIA Network+ CertMike:Prepare.

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Practice.Pass the Test! Get Certified! Exam N10-008by Mike Chapple and Craig Zacker(ISBN 9781119898153)

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CompTIA®ITF+ CertMikePrepare. Practice. Pass the Test! GetCertified!Exam FC0-U61Mike Chapple

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Copyright © 2023 by John Wiley & Sons, Inc. All rights reserved.Published by John Wiley & Sons, Inc., Hoboken, New Jersey.Published simultaneously in Canada and the United Kingdom.ISBN: 978-1-119-89781-1ISBN: 978-1-119-89783-5 (ebk.)ISBN: 978-1-119-89782-8 (ebk.)No part of this publication may be reproduced, stored in a retrieval system, or transmitted inany form or by any means, electronic, mechanical, photocopying, recording, scanning, orotherwise, except as permitted under Section 107 or 108 of the 1976 United States CopyrightAct, without either the prior written permission of the Publisher, or authorization throughpayment of the appropriate per-copy fee to the Copyright Clearance Center, Inc., 222Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 750-4470, or on the web atwww.copyright.com. Requests to the Publisher for permission should be addressed to thePermissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030,(201) 748-6011, fax (201) 748-6008, or online atwww.wiley.com/go/permission.Trademarks:WILEY, the Wiley logo, and the Sybex logo are trademarks or registeredtrademarks of John Wiley & Sons, Inc. and/or its affiliates, in the United States and othercountries, and may not be used without written permission. CompTIA is a registeredtrademark of The Computing Technology Industry Association, Inc. All other trademarks arethe property of their respective owners. John Wiley & Sons, Inc. is not associated with anyproduct or vendor mentioned in this book.Limit of Liability/Disclaimer of Warranty:While the publisher and author have usedtheir best efforts in preparing this book, they make no representations or warranties withrespect to the accuracy or completeness of the contents of this book and specifically disclaimany implied warranties of merchantability or fitness for a particular purpose. No warrantymay be created or extended by sales representatives or written sales materials. The advice andstrategies contained herein may not be suitable for your situation. You should consult with aprofessional where appropriate. Further, readers should be aware that websites listed in thiswork may have changed or disappeared between when this work was written and when it isread. Neither the publisher nor authors shall be liable for any loss of profit or any othercommercial damages, including but not limited to special, incidental, consequential, or otherdamages.For general information on our other products and services or for technical support, pleasecontact our Customer Care Department within the United States at (800) 762-2974, outsidethe United States at (317) 572-3993 or fax (317) 572-4002.Wiley also publishes its books in a variety of electronic formats. Some content that appears inprint may not be available in electronic formats. For more information about Wiley products,visit our web site atwww.wiley.com.Library of Congress Control Number:2022935720Cover design: Wiley

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To all of my students at Notre Dame. The energy, enthusiasm, andexperiences you bring to the classroom make me a better teacher andwriter.—Mike

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ACKNOWLEDGMENTSThis book marks the start of a new test prep series calledCertMike:Prepare. Practice. Pass the Test! Get Certified!, and I'd first like tothank the people who helped shape the vision for this series. Theoriginal idea was hatched over breakfast with two very supportiveeditors from the Wiley team: Ken Brown and Jim Minatel. I've workedwith both Jim and Ken on many books over many years, and they'reboth insightful industry experts who know what it takes to produce agreat book.I'd also like to extend a special thank-you to my agent, Carole Jelen ofWaterside Productions. Carole is also an experienced industry pro whocan deftly navigate the murky waters of publishing. Carole is the onewho pushed me to create my own series.Of course, the creation of any book involves a tremendous amount ofeffort from many people other than the author. I truly appreciate thework of Adaobi Obi Tulton, the project editor. Adaobi and I have nowworked together on many books, and she keeps the train on the tracks!I'd also like to thank Audrey O'Shea, the technical editor, whoprovided insightful advice and gave wonderful feedback throughoutthe book, and Archana Pragash, production editor, who guided methrough layouts, formatting, and final cleanup to produce a greatbook. I would also like to thank the many behind-the-scenescontributors, including the graphics, production, and technical teamswho make the book and companion materials into a finished product.Finally, I would like to thank my family, who supported me throughthe late evenings, busy weekends, and long hours that a book like thisrequires to write, edit, and get to press.

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ABOUT THE AUTHORSMike Chapple, Ph.D.,is author of the best-sellingCISSP (ISC)2Certified Information Systems Security Professional Official StudyGuide(Sybex, 2021) and theCISSP (ISC)2Official Practice Tests(Sybex, 2021). He is an information technology professional with twodecades of experience in higher education, the private sector, andgovernment.Mike currently serves as Teaching Professor in the IT, Analytics, andOperations department at the University of Notre Dame's MendozaCollege of Business, where he teaches undergraduate and graduatecourses on cybersecurity, cloud computing, data management, andbusiness analytics.Before returning to Notre Dame, Mike served as executive vicepresident and chief information officer of the Brand Institute, aMiami-based marketing consultancy. Mike also spent four years in theinformation security research group at the National Security Agencyand served as an active duty intelligence officer in the U.S. Air Force.Mike has written more than 25 books. He earned both his B.S. andPh.D. degrees from Notre Dame in computer science and engineering.Mike also holds an M.S. in computer science from the University ofIdaho and an MBA from Auburn University. Mike holds the ITFundamentals (ITF+), Cybersecurity Analyst+ (CySA+), Data+,Security+, Certified Information Security Manager (CISM), CertifiedCloud Security Professional (CCSP), and Certified InformationSystems Security Professional (CISSP) certifications.Learn more about Mike and his other security certification materials athis website,CertMike.com.

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ABOUT THE TECHNICAL EDITORAudrey O'Sheaholds CompTIA A+, ITF+, Network+, Security+,Project+, and other industry certifications. The former owner of acomputer consulting company, she holds two degrees and a New YorkState teaching license. Audrey chose to become an educator to shareher knowledge with the next wave of IT professionals. She has taughtat the college level, in technical schools, and adult seminars withcourses ranging from Electrical Theory and Practice for EnergyWorkers, to Microsoft Office, CompTIA A+, Introduction toCybersecurity, and CISCO certification. Audrey is a teacher, author,consultant, and entrepreneur, and has helped many students learnwhat they need to know to pass their certification exams.Audrey has authored two technical books:A Geek Girl’s Guide toElectronics and the Internet of Things(Wiley, 2020) andCompTIAA+ Complete Practice Tests, 3rd Edition (Wiley, 2022). She has alsoserved as technical editor on two other books leading to CompTIAcertifications.Audrey lives in upstate New York with her significant other and theirfur babies. When she isn't behind a computer you can find her hikingin the Adirondack Mountains or kayaking on a lake somewhere.

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INTRODUCTIONIf you're preparing to take the ITF+ (IT Fundamentals+) exam, youmight find yourself overwhelmed with information. This exam covers avery broad range of topics, and it's possible to spend weeks studyingeach one of them. Fortunately, that's not necessary!As part of the CertMike: Prepare. Practice. Pass the Test! Get Certified!series, this book is designed to help you focus on the specificknowledge that you'll need to pass the ITF+ exam. CompTIA publishesa detailed list of exam objectives, and this book is organized aroundthose objectives. Each chapter clearly states the single objective that itcovers and then, in a few pages, covers the material you need to knowabout that objective.You'll find two important things at the end of each chapter: CertMikeExam Essentials and Practice Questions. The CertMike ExamEssentials distill the major points from the chapter into just a fewbullet points. Reviewing these CertMike Exam Essentials is a greatway to prepare yourself right before taking the exam.I've also recorded an audio version of the CertMike Exam Essentialsthat you can access online atwww.wiley.com/go/sybextestprepafterregistering and logging on. You can listen to the audio review whenyou're in the car, at the gym, or mowing the lawn!Each chapter concludes with two practice questions that are designedto give you a taste of what it's like to take the exam. You'll find thatthey're written in the same style as the ITF+ exam questions and havevery detailed explanations to help you understand the correct answer.Be sure to take your time and thoroughly study these questions.Finally, the book's online test bank (www.wiley.com/go/sybextestprep)includes a full-length practice exam that you can use to assess yourknowledge when you're ready to take the test. Good luck on the ITF+exam!

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NOTEDon't just study the questions and answers! The questions on theactual exam will be different from the practice questions includedin this book. The exam is designed to test your knowledge of aconcept or objective, so use this book to learn the objectives behindthe questions.THE ITF+ EXAMThe ITF+ exam is designed to be a vendor-neutral certification forthose seeking to enter the information technology field. CompTIArecommends this certification for three types of people:Students considering starting a career in information technologyProfessionals working in fields that require an understanding ofinformation technologySales, marketing, and operations professionals in IT-focusedcompaniesThe exam covers six major domains of knowledge:1. IT Concepts and Terminology2. Infrastructure3. Applications and Software4. Software Development Concepts5. Database Fundamentals6. SecurityThese six areas include a range of topics, from installing printers tosecuring networks, while focusing heavily on the basic knowledgeexpected of all IT professionals. That's why CompTIA recommends theITF+ certification for those in any IT-related field.The ITF+ exam uses only standard multiple-choice questions. Unlike

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other CompTIA exams, you won't find performance-based questions(PBQs) on the ITF+ exam. This exam is designed to be straightforwardand not to trick you. If you know the material in this book, you willpass the exam.The exam costs $130 in the United States, with roughly equivalentprices in other locations around the globe. More details about theITF+ exam and how to take it can be found atwww.comptia.org/certifications/it-fundamentals.You'll have 50 minutes to take the exam and will be asked to answerup to 75 questions during that time period. Your exam will be scoredon a scale ranging from 100 to 900, with a passing score of 650.NOTECompTIA frequently does what is calleditem seeding, which isthe practice of including unscored questions on exams. It does soto gather psychometric data, which is then used when developingnew versions of the exam. Before you take the exam, you will betold that your exam may include these unscored questions. So, ifyou come across a question that does not appear to map to any ofthe exam objectives—or for that matter, does not appear to belongin the exam—it is likely a seeded question. You never really knowwhether or not a question is seeded, however, so always make yourbest effort to answer every question.Taking the ExamOnce you are fully prepared to take the exam, you can visit theCompTIA website to purchase your exam voucher:https://store.comptia.orgCurrently, CompTIA offers two options for taking the exam: an in-person exam at a testing center and an at-home exam that you take onyour own computer.TIP

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This book includes a coupon that you may use to save 10 percenton your CompTIA exam registration.In-Person ExamsCompTIA partners with Pearson VUE's testing centers, so your nextstep will be to locate a testing center near you. In the United States,you can do this based on your address or your ZIP code, while non-U.S. test takers may find it easier to enter their city and country. Youcan search for a test center near you at the Pearson Vue website, whereyou will need to navigate to “Find a test center”:www.pearsonvue.com/comptiaNow that you know where you'd like to take the exam, simply set up aPearson VUE testing account and schedule an exam on their site.On the day of the test, take two forms of identification, and make sureto show up with plenty of time before the exam starts. Remember thatyou will not be able to take your notes, electronic devices (includingsmartphones and watches), or other materials in with you.At-Home ExamsCompTIA began offering online exam proctoring in 2020 in responseto the coronavirus pandemic. As of the time this book went to press,the at-home testing option was still available and appears likely tocontinue. Candidates using this approach will take the exam at theirhome or office and be proctored over a webcam by a remote proctor.Due to the rapidly changing nature of the at-home testing experience,candidates wishing to pursue this option should check the CompTIAwebsite for the latest details.After the ITF+ ExamOnce you have taken the exam, you will be notified of your scoreimmediately, so you'll know if you passed the test right away. Youshould keep track of your score report with your exam registrationrecords and the email address you used to register for the exam.

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After you earn the ITF+ certification, you're certified for life! Unlikemany other CompTIA certifications that must be renewed on aperiodic basis, the ITF+ certification is permanent and remains withyou throughout your career.Many people who earn the ITF+ credential use it as a stepping-stoneto earning other certifications in their areas of interest. Thoseinterested in technical support roles pursue the A+ certification, thoseinterested in networking work toward the Network+ credential, andthe Security+ certification is a gateway to a career in cybersecurity.

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WHAT DOES THIS BOOK COVER?This book covers everything you need to know to pass the ITF+ exam.It is organized into six parts, each corresponding to one of the six ITF+domains.Part I: Domain 1.0: IT Concepts and TerminologyChapter 1: Notational SystemsChapter 2: Data TypesChapter 3: Computing BasicsChapter 4: Value of DataChapter 5: Units of MeasureChapter 6: TroubleshootingPart II: Domain 2.0: InfrastructureChapter 7: Input/Output Device InterfacesChapter 8: Installing PeripheralsChapter 9: Internal Computing ComponentsChapter 10: Internet Service TypesChapter 11: StorageChapter 12: Computing DevicesChapter 13: TCP/IP NetworkingChapter 14: Application ProtocolsChapter 15: Network DevicesChapter 16: Wireless NetworksPart III: Domain 3.0: Applications and SoftwareChapter 17: Operating SystemsChapter 18: Virtualization

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