Table of Contents

Introduction xxviii

Chapter 1 Computer Network Fundamentals 3

Foundation Topics 4

Defining a Network 4

Networks Defined by Geography 7

Networks Defined by Topology 10

Wireless Topologies 20

Networks Defined by Resource Location 21

Real-World Case Study 24

Summary 25

Exam Preparation Tasks 25

Review Questions 26

Chapter 2 The OSI Reference Model 31

Foundation Topics 32

The Purpose of Reference Models 32

Real-World Case Study 56

Summary 57

Exam Preparation Tasks 58

Review Questions 60

Chapter 3 Network Components 63

Foundation Topics 64

Media 6

Network Infrastructure Devices 79

Specialized Network Devices 91

Virtual Network Devices 101

    Software-Defined Networking (SDN) 107

Voice over IP Protocols and Components 107

Real-World Case Study 108

Summary 110

Exam Preparation Tasks 110

Review Questions 113

Chapter 4 Ethernet Technology 117

Foundation Topics 118

Principles of Ethernet 118

Ethernet Switch Features 126

Real-World Case Study 145

Summary 146

Exam Preparation Tasks 146

Review Questions 148

Chapter 5 IPv4 and IPv6 Addresses 153

Foundation Topics 154

Binary Numbering 154

IPv4 Addressing 161

Assigning IPv4 Addresses 166

Subnetting 176

IP Version 6 191

Real-World Case Study 196

Summary 197

Exam Preparation Tasks 197

Review Questions 200

Chapter 6 Routing IP Packets 205

Foundation Topics 206

Basic Routing Processes 206

Sources of Routing Information 209

Routing Protocol Characteristics 213

Routing Protocol Examples 218

Address Translation 220

Multicast Routing 224

Real-World Case Study 230

Summary 231

Exam Preparation Tasks 232

Review Questions 234

Chapter 7 Wide Area Networks (WANs) 239

Foundation Topics 240

WAN Properties 240

WAN Technologies 245

Real-World Case Study 268

Summary 269

Exam Preparation Tasks 270

Review Questions 271

Chapter 8 Wireless Technologies 275

Foundation Topics 276

Introducing Wireless LANs 276

Deploying Wireless LANs 287

Securing Wireless LANs 292

Real-World Case Study 298

Summary 298

Exam Preparation Tasks 299

Review Questions 300

Chapter 9 Network Optimization 305

Foundation Topics 306

High Availability 306

QoS Technologies 313

Case Study: SOHO Network Design 323

Real-World Case Study 330

Summary 331

Exam Preparation Tasks 331

Review Questions 333

Chapter 10 Command-Line Tools 337

Foundation Topics 338

Windows Commands 338

UNIX Commands 358

Real-World Case Study 371

Summary 371

Exam Preparation Tasks 371

Review Questions 374

Chapter 11 Network Management 379

Foundation Topics 380

Maintenance Tools 380

Network Documentation 390

Monitoring Resources and Reports 392

Remote Access Methods 400

Real-World Case Study 401

Summary 402

Exam Preparation Tasks 402

Additional Resources 404

Review Questions 404

Chapter 12 Network Security 409

Foundation Topics 410

Security Fundamentals 410

Categories of Network Attacks 415

Defending Against Attacks 427

Remote-Access Security 439

Firewalls 442

Virtual Private Networks 447

Intrusion Detection and Prevention 454

Real-World Case Study 459

Summary 460

Exam Preparation Tasks 461

Additional Resources 463

Review Questions 463

Chapter 13 Network Policies and Best Practices 467

Foundation Topics 468

Policies 468

Best Practices 472

Real-World Case Study 475

Summary 475

Exam Preparation Tasks 476

Additional Resources 477

Review Questions 477

Chapter 14 Network Troubleshooting 481

Foundation Topics 482

Troubleshooting Basics 482

Physical Layer Troubleshooting 487

Data Link Layer Troubleshooting 490

Network Layer Troubleshooting 492

Wireless Troubleshooting 497

Specialized Networks 500

Real-World Case Study 501

Troubleshooting Scenarios 501

Summary 522

Exam Preparation Tasks 523

Additional Resources 524

Review Questions 524

Chapter 15 Final Preparation 529

Tools for Final Preparation 529

Suggested Plan for Final Review and Study 531

Strategies for Taking the Exam 533

Summary 535

Appendix A Answers to Review Questions 537

Appendix B CompTIA Network+ N10-07 Cert Guide Exam Updates 547

Glossary 551

 

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Appendix C Memory Tables

Appendix D Memory Tables Answer Key

Appendix E Study Planner

Exam Essentials Interactive Study Guide

Key Terms Flash Cards Application

Instructional Videos

Performance-Based Exercises

CompTIA Network+ N10-007 Hands-on Lab Simulator Lite Software