This is the eBook version of the print title. Note that the eBook does not provide access to the practice test software that accompanies the print book.

Introduction xiiiChapter 1 Welcome to CompTIA IT Fundamentals+ 3Domain 1.0-IT Concepts and Terminology 5Domain 2.0-Infrastructure 5Domain 3.0-Applications and Software 6Domain 4.0-Software Development Concepts 6Domain 5.0-Database Fundamentals 7Domain 6.0-Security 7Hardware, Equipment, and Tools 8Software 9Part 1: Domain 1.0 - IT Concepts and TerminologyChapter 2 How Computers Store Data: Notational Systems 13Foundation Topics 13Binary 13Hexadecimal 14Decimal 17Data Representation 18Exam Preparation Tasks 21Practice Questions for Objective 1.1 22Your Next Steps 25Chapter 3 Compare and Contrast Fundamental Data Types and Their Characteristics 27Foundation Topics 27Char 27Strings 27Numbers 28Boolean 30Exam Preparation Topics 32Practice Questions for Objective 1.2 32Your Next Steps (More Certs) 35Chapter 4 Input, Output, and More: The Basics of Computing and Processing 37Foundation Topics 37Input 37Processing 39Output 41Storage 43Exam Preparation Tasks 43Practice Questions for Objective 1.3 44Your Next Steps (More Certs) 48Chapter 5 Explain the Value of Data and Information 51Foundation Topics 51Data and Information as Assets 51Importance of Investing in Security 51Relationship of Data to Creating Information 52Intellectual Property 54Digital Products 58Data-Driven Business Decisions 58Exam Preparation Tasks 60Practice Questions for Objective 1.4 61Your Next Steps (More Certs) 65Chapter 6 Common Units of Measure: Storage, Throughput, and Speed 67Foundation Topics 67Storage Units 67Capacity Comparison 71Throughput Unit 73Processing Speed 75Exam Preparation Tasks 77Practice Questions for Objective 1.5 78Your Next Steps 83Chapter 7 Explain the Troubleshooting Methodology 85Foundation Topics 85Identify the Problem 85Research Knowledge Base/Internet, If Applicable 99Establish a Theory of Probable Cause 100Test the Theory to Determine the Cause 102Establish a Plan of Action to Resolve the Problem and Identify Potential Effects 104Implement the Solution or Escalate as Necessary 105Verify Full System Functionality and, If Applicable, Implement Preventive Measures 105Document Findings/Lessons Learned, Actions, and Outcomes 107Exam Preparation Tasks 108Practice Questions for Objective 1.6 109Your Next Steps (More Certs) 113Part 2: Domain 2.0 - InfrastructureChapter 8 I/O: Input/Output Device Interfaces 115Foundation Topics 115Networking 115Peripheral Devices 121Graphic Device 131Exam Preparation Topics 135Practice Questions for Objective 2.1 136Your Next Steps (More Certs) 140Chapter 9 Connecting and Configuring Peripherals 143Foundation Topics 143Devices 143Installation Types 161Exam Preparation Tasks 164Practice Questions for Objective 2.2 165Your Next Steps (More Certs) 169Chapter 10 Explain the Purpose of Common Internal Computer Components 171Foundation Topics 171Motherboard/System Board 171Firmware/BIOS 175RAM 177CPU 179GPU 186Storage 188Cooling 190NIC 193Exam Preparation Tasks 196Practice Questions for Objective 2.3 197Your Next Steps 201Chapter 11 Internet Service Types 203Foundation Topics 203Fiber Optic 203Cable 205DSL 209Wireless 210Comparing Internet Services 213Exam Preparation Tasks 214Practice Questions for Objective 2.4 215Your Next Steps (More Certs) 219Chapter 12 Compare and Contrast Storage Types 221Foundation Topics 221Volatile vs. Nonvolatile 221Local Storage Types 221Local Network Storage Types 238Cloud Storage Service 242Exam Preparation Topics 245Practice Questions for Objective 2.5 245Your Next Steps (More Certs) 247Chapter 13 Compare and Contrast Common Computing Devices and Their Purposes 249Foundation Topics 249Mobile Phones 249Tablets 250Laptops 251Workstations 252Servers 253Gaming Consoles 256IoT 258Exam Preparation Tasks 266Practice Questions for Objective 2.6 268Your Next Steps (More Certs) 271Chapter 14 Explain Basic Networking Concepts 273Foundation Topics 273Basics of Network Communication 273Basics of Packet Transmission 273Device Addresses 276Basic Protocols 280Devices 284Exam Preparation Tasks 287Practice Questions for Objective 2.7 288Your Next Steps (More Certs) 293Chapter 15 Given a Scenario, Install, Configure, and Secure a Basic Wireless Network 295Foundation Topics 295802.11a/b/g/n/ac 295Best Practices 304Exam Preparation Topics 310Practice Questions for Objective 2.8 311Your Next Steps (More Certs) 316Part 3: Domain 3.0 - Applications and SoftwareChapter 16 Explain the Purpose of Operating Systems 319Foundation Topics 319Interface Between Applications and Hardware 319Disk Management 319Process Management/Scheduling 322Application Management 324Memory Management 330Windows 331macOS 332Linux 332Device Management 333Access Control/Protection 335Types of OS 336Exam Preparation Tasks 344Practice Questions for Objective 3.1 345Your Next Steps (More Certs) 349Chapter 17 Operating Systems 101: Features, Processes, UI, and Management 351Foundation Topics 351Features 355File Management 366Services 374Processes 377Drivers 381Utilities 384Interfaces 387Exam Preparation Tasks 389Practice Questions for Objective 3.2 391Your Next Steps (More Certs) 395Chapter 18 Purpose and Proper Use of Software 397Foundation Topics 397Productivity Software 397Collaboration Software 403Business Software 406Exam Preparation Topics 410Practice Questions for Objective 3.3 410Your Next Steps (More Certs) 415Chapter 19 Getting Apps From Source to Your Device 417Foundation Topics 417Application Delivery Methods 417Application Architecture Models 419Exam Preparation Tasks 421Practice Questions for Objective 3.4 422Your Next Steps (More Certs) 424Chapter 20 Configuring and Using Web Browsers 427Foundation Topics 427Caching/Clearing Cache 427Deactivate Client-Side Scripting 429Browser Add-Ons/Extensions 430Private Browsing 433Proxy Settings 434Certificates 436Popup Blockers 439Script Blockers 440Compatible Browser for Application(s) 440Exam Preparation Tasks 441Practice Questions for Objective 3.5 442Your Next Steps (More Certs) 447Chapter 21 Compare and Contrast General Application Concepts and Uses 449Foundation Topics 449Single-Platform Software 449Cross-Platform Software 449Licensing 454Software Installation Best Practices 458Exam Preparation Topics 467Practice Questions for Objective 3.6 468Your Next Steps (More Certs) 472Part 4: Domain 4.0 - Software Development ConceptsChapter 22 Compare and Contrast Programming Language Categories 475Foundation Topics 475Interpreted 475Compiled Programming Languages 483Query Languages 486Assembly Language 487Exam Preparation Tasks 489Practice Questions for Objective 4.1 490Your Next Steps (More Certs) 494Chapter 23 Using Programming Organizational Techniques and Interpret Logic 497Foundation Topics 497Organizational Techniques 497Logic Components 501Exam Preparation Tasks 505Practice Questions for Objective 4.2 506Your Next Steps (More Certs) 508Chapter 24 Explain the Purpose and Use of Programming Concepts 511Foundation Topics 511Identifiers 511Containers 512Functions 512Objects 513Exam Preparation Tasks 514Practice Questions for Objective 4.3 515Your Next Steps (More Certs) 518Part 5: Domain 5.0 - Database FundamentalsChapter 25 Explain Database Concepts and the Purpose of a Database 521Foundation Topics 521Usage of Database 521Flat File vs. Database 528Records 531Storage 532Exam Preparation Tasks 534Practice Questions for Objective 5.1 535Your Next Steps (More Certs) 539Chapter 26 Compare and Contrast Various Database Structures 541Foundation Topics 541Structured vs. Semi-Structured vs. Nonstructured 541Relational Databases 545Nonrelational Databases 547Exam Preparation Tasks 549Practice Questions for Objective 5.2 550Your Next Steps (More Certs) 553Chapter 27 Summarize Methods Used to Interface with Databases 555Foundational Topics 555Relational Methods 555Database Access Methods 561Export/Import 563Exam Preparation Tasks 568Practice Questions for Objective 5.3 569Your Next Steps (More Certs) 573Part 6: Domain 6.0 - SecurityChapter 28 Confidentiality, Integrity, and Availability Concerns 575Foundation Topics 575Confidentiality Concerns 575Integrity Concerns 579Availability Concerns 581Exam Preparation Tasks 584Practice Questions for Objective 6.1 585Your Next Steps (More Certs) 589Chapter 29 Device Security Best Practices 591Foundation Topics 591Securing Devices (Mobile/Workstation) 591Device Use Best Practices 602Exam Preparation Tasks 608Practice Questions for Objective 6.2 609Your Next Steps (More Certs) 613Chapter 30 Summarize Behavioral Security Concepts 615Foundation Topics 615Expectations of Privacy When Using... 615Written Policies and Procedures 630Handling of Confidential Information 631Exam Preparation Tasks 633Practice Questions for Objective 6.3 634Your Next Steps (More Certs) 637Chapter 31 Compare and Contrast Authentication, Authorization, Accounting, and Nonrepudiation Concepts 639Foundation Topics 639Authentication 639Authorization 645Accounting 650Nonrepudiation 655Exam Preparation Tasks 656Practice Questions for Objective 6.4 658Your Next Steps (More Certs) 662Chapter 32 Explain Password Best Practices 665Foundation Topics 665Password Length 665Password Complexity 665Password History 668Password Expiration 669Password Reuse Across Sites 672Password Reset Process 673Exam Preparation Tasks 676Practice Questions for Objective 6.5 677Your Next Steps (More Certs) 682Chapter 33 Explain Common Uses of Encryption 685Foundation Topics 685Plain Text vs. Cipher Text 685Data at Rest 686Data in Transit 694Exam Preparation Tasks 697Practice Questions for Objective 6.6 698Your Next Steps (More Certs) 702Chapter 34 Explain Business Continuity Concepts 705Foundation Topics 705Fault Tolerance 705Disaster Recovery 717Exam Preparation Tasks 719Practice Questions for Objective 6.7 720Your Next Steps (More Certs) 723Chapter 35 Final Preparation 725Advice About the Exam Event 725Appendix A Answers to Practice Questions 735