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IT Essentials Companion Guide v6

IT Essentials Companion Guide v6

6th Edition

Cisco Networking Academy

Feb 2017, Hardback, 928 pages
ISBN13: 9781587133558
ISBN10: 1587133555
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IT Essentials v6 Companion Guide supports the Cisco Networking Academy IT Essentials version 6 course. The course is designed for Cisco Networking Academy students who want to pursue careers in IT and learn how computers work, how to assemble computers, and how to safely and securely troubleshoot hardware and software issues.


As CompTIA Approved Quality Content, the course also helps you prepare for the CompTIA A+ certification exams 220-901 and 220-902. Students must pass both exams to earn the CompTIA A+ certification.


The features of the Companion Guide are designed to help you study and succeed in this course:


  • Chapter objectives–Review core concepts by answering the focus questions listed at the beginning of each chapter.
  • Key terms–Refer to the updated lists of networking vocabulary introduced, and turn to the highlighted terms in context.
  • Course section numbering–Follow along with the course heading numbers to easily jump online to complete labs, activities, and quizzes referred to within the text.
  • Check Your Understanding Questions and Answer Key–Evaluate your readiness with the updated end-of-chapter questions that match the style of questions you see on the online course quizzes.


This icon in the Companion Guide indicates when there is a hands-on Lab to do. All the Labs from the course are compiled and published in the separate book, IT Essentials v6 Lab Manual. Practicing and performing all these tasks will reinforce the concepts and help you become a successful PC technician.


Introduction xxix

Chapter 1 Introduction to the Personal Computer System 1

Objectives 1

Key Terms 1

Introduction (1.0) 4

Welcome (1.0.1) 4

Personal Computer Systems (1.1) 4

Cases and Power Supplies (1.1.1) 5

Internal PC Components (1.1.2) 12

External Ports and Cables (1.1.3) 33

Input and Output Devices (1.1.4) 41

Select Computer Components (1.2) 49

Select PC Components (1.2.1) 49

Configurations for Specialized Computer Systems (1.3) 62

Specialized Computer Systems (1.3.1) 63

Summary (1.4) 69

Summary (1.4.1) 69

Summary of Exercises 69

Labs 70

Check your Understanding 70

Chapter 2 Introduction to Lab Procedures and Tool Use 73

Objectives 73

Key Terms 73

Introduction (2.0) 74

Welcome (2.0.1) 74

Safe Lab Procedures (2.1) 74

Procedures to Protect People (2.1.1) 74

Procedures to Protect Equipment and Data (2.1.2) 76

Procedures to Protect the Environment (2.1.3) 79

Proper Use of Tools (2.2) 82

Hardware Tools (2.2.1) 82

Software Tools (2.2.2) 88

Organizational Tools (2.2.3) 89

Demonstrate Proper Tool Use (2.2.4) 91

Summary (2.3) 98

Summary (2.3.1) 98

Summary of Exercises 98

Lab 98

Check Your Understanding 99

Chapter 3 Computer Assembly 103

Objectives 103

Key Terms 103

Introduction (3.0) 104

Welcome (3.0.1) 104

Assemble the Computer (3.1) 104

Open the Case and Connect the Power Supply (3.1.1) 104

Install the Motherboard (3.1.2) 107

Install Drives (3.1.3) 115

Install the Adapter Cards (3.1.4) 117

Install Cables (3.1.5) 120

Boot the Computer (3.2) 132

POST, BIOS, UEFI (3.2.1) 132

BIOS and UEFI Configuration (3.2.2) 137

Upgrade and Configure a Computer (3.3) 144

Motherboard and Related Components (3.3.1) 144

Storage Devices (3.3.2) 148

Peripheral Devices (3.3.3) 149

Summary (3.4) 151

Summary (3.4.1) 151

Summary of Exercises 152

Labs 152

Check Your Understanding 152

Chapter 4 Overview of Preventive Maintenance 157

Objectives 157

Key Terms 157

Introduction (4.0) 158

Welcome (4.0.1) 158

Preventive Maintenance (4.1) 158

PC Preventive Maintenance Overview (4.1.1) 158

Troubleshooting Process (4.2) 163

Troubleshooting Process Steps (4.2.1) 163

Common Problems and Solutions (4.2.2) 172

Summary (4.3) 180

Summary (4.3.1) 180

Summary of Exercises 180

Check your Understanding 180

Chapter 5 Windows Installation 185

Objectives 185

Key Terms 185

Introduction (5.0) 188

Welcome (5.0.1) 188

Modern Operating Systems (5.1) 188

Operating System Terms and Characteristics (5.1.1) 188

Types of Operating Systems (5.1.2) 193

Customer Requirements for an Operating System (5.1.3) 194

Operating Systems Upgrade (5.1.4) 196

Operating System Installation (5.2) 199

Storage Device Setup Procedures (5.2.1) 200

Custom Installation Options (5.2.2) 214

Boot Sequence and Registry Files (5.2.3) 222

Multiboot (5.2.4) 226

Disk Directories (5.2.5) 234

Summary (5.3) 241

Summary (5.3.1) 241

Summary of Exercises 241

Labs 241

Check Your Understanding 242

Chapter 6 Windows Configuration and Management 245

Objectives 245

Key Terms 245

Introduction (6.0) 247

Welcome (6.0.1) 247

The Windows GUI and Control Panel (6.1) 247

Windows Desktop, Tools, and Applications (6.1.1) 247

Control Panel Utilities (6.1.2) 260

Administrative Tools (6.1.3) 277

Disk Defragmenter and Disk Error-Checking Tool (6.1.4) 284

Command Line Tools (6.1.5) 286

Client-Side Virtualization (6.2) 290

Purpose and Requirements of Virtualization (6.2.1) 290

Common Preventive Maintenance Techniques for Operating Systems (6.3) 295

OS Preventive Maintenance Plan (6.3.1) 295

Basic Troubleshooting Process for Operating Systems (6.4) 301

Applying the Troubleshooting Process for Operating Systems (6.4.1) 302

Common Problems and Solutions for Operating

Systems (6.4.2) 305

Summary (6.5) 311

Summary (6.5.1) 311

Summary of Exercises 311

Labs 311

Check Your Understanding 312

Chapter 7 Networking Concepts 317

Objectives 317

Key Terms 317

Introduction (7.0) 320

Welcome (7.0.1) 320

Principles of Networking (7.1) 320

Computer Networks (7.1.1) 320

Types of Networks (7.1.2) 326

Networking Standards (7.2) 332

Reference Models (7.2.1) 333

Wired and Wireless Ethernet Standards (7.2.2) 341

Physical Components of a Network (7.3) 345

Network Devices (7.3.1) 345

Cables and Connectors (7.3.2) 351

Basic Networking Concepts and Technologies (7.4) 361

Networked Equipment Addressing (7.4.1) 361

Transport Layer Protocols (7.4.2) 373

Summary (7.5) 378

Summary (7.5.1) 378

Summary of Exercises 378

Labs 379

Packet Tracer Activities 379

Check Your Understanding 379

Chapter 8 Applied Networking 383

Objectives 383

Key Terms 383

Introduction (8.0) 385

Welcome (8.0.1) 385

Computer to Network Connection (8.1) 385

Networking Cards (8.1.1) 386

Wireless and Wired Router Configurations (8.1.2) 393

Network Sharing (8.1.3) 406

Remote Connections (8.1.4) 415

ISP Connection Technologies (8.2) 418

Broadband Technologies (8.2.1) 418

Internet Technologies (8.3) 424

Data Centers and Cloud Computing (8.3.1) 425

Networked Host Services (8.3.2) 427

Common Preventive Maintenance Techniques Used for Networks (8.4) 432

Network Maintenance (8.4.1) 432

Basic Troubleshooting Process for Networks (8.5) 433

Applying the Troubleshooting Process to Networks (8.5.1) 433

Common Problems and Solutions for Networks (8.5.2) 437

Summary (8.6) 439

Summary (8.6.1) 439

Summary of Exercises 439

Labs 439

Packet Tracer Activities 440

Check Your Understanding 440

Chapter 9 Laptops and Mobile Devices 445

Objectives 445

Key Terms 445

Introduction (9.0) 448

Welcome (9.0.1) 448

Laptop Components (9.1) 448

Features of Laptop Components (9.1.1) 449

Laptop Displays (9.1.2) 460

Laptop Configuration (9.2) 464

Power Settings Configuration (9.2.1) 464

Wireless Configuration (9.2.2) 468

Laptop Hardware and Component Installation and Configuration (9.3) 472

Expansion Slots (9.3.1) 472

Replacing Hardware Devices (9.3.2) 478

Mobile Device Hardware Overview (9.4) 492

Mobile Device Hardware (9.4.1) 492

Other Mobile Devices (9.4.2) 498

Common Preventive Maintenance Techniques for Laptops and Mobile Devices (9.5) 500

Scheduled Maintenance for Laptops and Mobile

Devices (9.5.1) 500

Basic Troubleshooting Process for Laptops and Mobile Devices (9.6) 502

Applying (9.6.1) 502

Common Problems and Solutions for Laptops and Mobile

Devices (9.6.2) 506

Summary (9.7) 512

Summary (9.7.1) 512

Summary of Exercises 513

Labs 513

Check Your Understanding 514

Chapter 10 Mobile, Linux, and OS X Operating Systems 517

Objectives 517

Key Terms 517

Introduction (10.0) 520

Welcome (10.0.1) 520

Mobile Operating Systems (10.1) 520

Android versus iOS (10.1.1) 520

Android Touch Interface (10.1.2) 525

iOS Touch Interface (10.1.3) 530

Windows Phone Touch Interface (10.1.4) 535

Common Mobile Device Features (10.1.5) 538

Methods for Securing Mobile Devices (10.2) 545

Passcode Locks (10.2.1) 545

Cloud-Enabled Services for Mobile Devices (10.2.2) 550

Software Security (10.2.3) 553

Network Connectivity and Email (10.3) 557

Wireless and Cellular Data Network (10.3.1) 557

Bluetooth (10.3.2) 563

Configuring Email (10.3.3) 566

Mobile Device Synchronization (10.3.4) 572

Linux and OS X Operating Systems (10.4) 577

Linux and OS X Tools and Features (10.4.1) 577

Linux and OS X Best Practices (10.4.2) 592

Basic CLI (10.4.3) 597

Basic Troubleshooting Process for Mobile, Linux, and OS X Operating Systems (10.5) 599

Applying the Troubleshooting Process to Mobile, Linux, and OS X Operating Systems (10.5.1) 600

Common Problems and Solutions for Mobile, Linux, and OS X Operating Systems (10.5.2) 604

Summary (10.6) 610

Summary (10.6.1) 610

Summary of Exercises 611

Labs 611

Check Your Understanding 611

Chapter 11 Printers 617

Objectives 617

Key Terms 617

Introduction (11.0) 619

Welcome (11.0.1) 619

Common Printer Features (11.1) 619

Characteristics and Capabilities (11.1.1) 619

Printer Types (11.1.2) 623

Installing and Configuring Printers (11.2) 631

Installing and Updating a Printer (11.2.1) 632

Configuring Options and Default Settings (11.2.2) 636

Optimizing Printer Performance (11.2.3) 640

Sharing Printers (11.3) 641

Operating System Settings for Sharing Printers (11.3.1) 641

Print Servers (11.3.2) 644

Maintaining and Troubleshooting Printers (11.4) 646

Printer Preventive Maintenance (11.4.1) 647

Troubleshooting Printer Issues (11.4.2) 651

Common Problems and Solutions for Printers (11.4.3) 655

Summary (11.5) 658

Summary (11.5.1) 658

Summary of Exercises 658

Labs 659

Check Your Understanding 659

Chapter 12 Security 663

Objectives 663

Key Terms 663

Introduction (12.0) 666

Welcome (12.0.1) 666

Security Threats (12.1) 666

Types of Security Threats (12.1.1) 666

Security Procedures (12.2) 674

Windows Local Security Policy (12.2.1) 674

Securing Web Access (12.2.2) 679

Protecting Data (12.2.3) 683

Protection Against Malicious Software (12.2.4) 694

Security Techniques (12.2.5) 698

Protecting Physical Equipment (12.2.6) 706

Common Preventive Maintenance Techniques for Security (12.3) 710

Security Maintenance (12.3.1) 710

Basic Troubleshooting Process for Security (12.4) 718

Applying the Troubleshooting Process to Security (12.4.1) 718

Common Problems and Solutions for Security (12.4.2) 721

Summary (12.5) 724

Summary (12.5.1) 724

Summary of Exercises 724

Labs 724

Check Your Understanding 724

Chapter 13 The IT Professional 729

Objectives 729

Key Terms 729

Introduction (13.0) 730

Welcome (13.0.1) 730

Communication Skills and the IT Professional (13.1) 730

Communication Skills, Troubleshooting, and the

IT Professional (13.1.1) 731

Working with a Customer (13.1.2) 732

Employee Best Practices (13.1.3) 738

Ethical and Legal Issues in the IT Industry (13.2) 743

Ethical and Legal Considerations (13.2.1) 743

Legal Procedures Overview (13.2.2) 747

Call Center Technicians (13.3) 750

Call Centers, Level One Technicians, and Level Two

Technicians (13.3.1) 750

Summary (13.4) 754

Summary (13.4.1) 754

Summary of Exercises 755

Labs 755

Activity Professional Behaviors with Customers (13.1.2.3) 755

Check Your Understanding 756

Chapter 14 Advanced Troubleshooting 761

Objectives 761

Key Terms 761

Introduction (14.0) 762

Welcome (14.0.1) 762

Computer Components and Peripherals (14.1) 763

Apply Troubleshooting Process to Computer Components and Peripherals (14.1.1) 763

Operating Systems (14.2) 766

Apply Troubleshooting Process to Operating Systems (14.2.1) 766

Networks (14.3) 770

Apply Troubleshooting Process to Networks (14.3.1) 770

Security (14.4) 775

Apply Troubleshooting Process to Security (14.4.1) 775

Summary (14.5) 779

Summary (14.5.1) 779

Summary of Exercises 779

Labs 779

Check Your Understanding 780

Appendix A Answers to “Check Your Understanding” Questions 783

Glossary 805

TOC, 9781587133558, 10/7/2016


  • Portable, desk references for take-home study and reference anytime, anywhere
  • Aligns to the online course chapters
  • Provides students with the only authorized, full-featured textbook for the Cisco Networking Academy IT Essentials course
  • Book-based pedagogy that serves as additional reinforcement in helping the student learn the topics covered in the course
  • Companion CD-ROM containing visual and interactive learning aids

Cisco Networking Academy is an innovative Cisco education initiative that delivers information and communication technology skills to improve career and economic opportunities around the world. The Academy provides online courses, interactive tools, and lab activities to prepare individuals for information technology and networking careers in virtually every industry.