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Beasley : Networking Essentials _c4

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Thoroughly updated to reflect the CompTIA Network+ N10-006 exam, Networking Essentials, Fourth Edition is a practical, up-to-date, and hands-on guide to the basics of networking. Written from the viewpoint of a working network administrator, it requires absolutely no experience with either network concepts or day-to-day network management.



Networking Essentials, Fourth Edition guides readers from an entry-level knowledge in computer networks to advanced concepts in Ethernet and TCP/IP networks; routing protocols and router configuration; local, campus, and wide area network configuration; network security; wireless networking; optical networks; Voice over IP; the network server; and Linux networking. This new edition includes expanded coverage of mobile and cellular communications; configuring static routing with RIPv2, OSPF, EIGRP, and IS-IS; physical security, access control, and biometric access control; cloud computing and virtualization; and codes and standards.



Clear goals are outlined for each chapter, and every concept is introduced in easy to understand language that explains how and why networking technologies are used. Each chapter is packed with real-world examples and practical exercises that reinforce all concepts and guide you through using them to configure, analyze, and fix networks.



Key Pedagogical Features



NET-CHALLENGE SIMULATION SOFTWARE provides hands-on experience with entering router and switch commands, setting up functions, and configuring interfaces and protocols
WIRESHARK NETWORK PROTOCOL ANALYZER presents techniques and examples of data traffic analysis throughout
PROVEN TOOLS FOR MORE EFFECTIVE LEARNING AND NETWORK+ PREP, including chapter outlines, summaries, and Network+ objectives
WORKING EXAMPLES IN EVERY CHAPTER to reinforce key concepts and promote mastery
KEY TERM DEFINITIONS, LISTINGS, AND EXTENSIVE GLOSSARY to help you master the language of networking
QUESTIONS, PROBLEMS, AND CRITICAL THINKING QUESTIONS to help you deepen your understanding



CD-ROM includes Net-Challenge Simulation Software, including seven hands-on labs and the Wireshark Network Protocol Analyzer Software examples.



Shelving Category: Networking
Covers: CompTIA Network+
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Product details

  • Mixed media product | 784 pages
  • 204 x 261 x 29mm | 1,486g
  • Pearson It Certification
  • Upper Saddle River, United States
  • English
  • 4th edition
  • 0789758199
  • 9780789758194
  • 613,303

Table of contents

Introduction xxi

CHAPTER 1 Introduction to Computer Networks 2

Chapter Outline 3

Objectives 3

Key Terms 3

1-1 Introduction 5

1-2 Network Topologies 7

Section 1-2 Review 12

Test Your Knowledge 12

1-3 The OSI Model 13

Section 1-3 Review 15

Test Your Knowledge 16

1-4 The Ethernet LAN 17

IP Addressing 21

Section 1-4 Review 23

Test Your Knowledge 23

1-5 Home Networking 24

Securing the Home Network 35

IP Addressing in the Home Network 36

Section 1-5 Review 38

Test Your Knowledge 39

1-6 Assembling An Office LAN 40

Section 1-6 Review 45

Test Your Knowledge 46

1-7 Testing and Troubleshooting a LAN 47

Section 1-7 Review 50

Test Your Knowledge 50

Summary 51

Questions and Problems 51

Certification Questions 60

CHAPTER 2 Physical Layer Cabling: Twisted Pair 64

CHAPTER OUTLINE 65

OBJECTIVES 65

KEY TERMS 65

2-1 Introduction 67

2-2 Structured Cabling 68

Horizontal Cabling 72

Section 2-2 Review 74

Test Your Knowledge 75

2-3 Unshielded Twisted-Pair Cable 76

Shielded Twisted-Pair Cable 78

Section 2-3 Review 79

Test Your Knowledge 79

2-4 Terminating CAT6/5E/5 UTP Cables 80

Computer Communication 82

Straight-through and Crossover Patch Cables 84

Section 2-4 Review 92

Test Your Knowledge 93

2-5 Cable Testing and Certification 94

Section 2-5 Review 98

Test Your Knowledge 98

2-6 10 Gigabit Ethernet over Copper 99

Overview 99

Alien Crosstalk 100

Signal Transmission 101

Section 2-6 Review 102

Test Your Knowledge 102

2-7 Troubleshooting Cabling Systems 103

Installation 103

Cable Stretching 104

Cable Failing to Meet Manufacturer Specifications 104

CAT5e Cable Test Examples 105

Section 2-7 Review 111

Test Your Knowledge 111

Summary 113

Questions and Problems 113

Certification Questions 122

CHAPTER 3 Physical Layer Cabling: Fiber Optics 126

Chapter Outline 127

Objectives 127

Key Terms 127

3-1 Introduction 128

3-2 The Nature of Light 131

Graded-Index Fiber 135

Single-Mode Fibers 135

Section 3-2 Review 137

Test Your Knowledge 137

3-3 Fiber Attenuation and Dispersion 137

Attenuation 138

Dispersion 139

Dispersion Compensation 140

Section 3-3 Review 141

Test Your Knowledge 141

3-4 Optical Components 142

Intermediate Components 144

Detectors 144

Fiber Connectorization 146

Section 3-4 Review 147

Test Your Knowledge 148

3-5 Optical Networking 148

Defining Optical Networking 149

Building Distribution 151

Campus Distribution 154

Section 3-5 Review 157

Test Your Knowledge 158

3-6 Safety 159

Section 3-6 Review 160

Test Your Knowledge 160

Summary 161

Questions and Problems 161

Certification Questions 164

CHAPTER 4 Wireless Networking 168

Chapter Outline 169

Objectives 169

Key Terms 169

4-1 Introduction 170

4-2 The IEEE 802.11 Wireless LAN Standard 172

Section 4-2 Review 179

Test Your Knowledge 179

4-3 802.11 Wireless Networking 180

Section 4-3 Review 189

Test Your Knowledge 190

4-4 Bluetooth, WiMAX, RFID, and Mobile Communications 190

Bluetooth 190

WiMAX 193

Radio Frequency Identification 194

Section 4-4 Review 198

Test Your Knowledge 199

4-5 Securing Wireless LANS 199

Section 4-5 Review 202

Test Your Knowledge 203

4-6 Configuring a Point-to-Multipoint Wireless LAN: A Case Study 203

1. Antenna Site Survey 204

2. Establishing a Point-to-Point Wireless Link to the Home Network 204

3-4. Configuring the Multipoint Distribution/Conducting an RF Site Survey 206

5. Configuring the Remote Installations 208

Section 4-6 Review 208

Test Your Knowledge 209

Summary 210

Questions and Problems 210

Critical Thinking 215

Certification Questions 216

CHAPTER 5 Interconnecting the LANs 218

Chapter Outline 219

Objectives 219

Key Terms 219

5-1 Introduction 220

5-2 The Network Bridge 221

Section 5-2 Review 226

Test Your Knowledge 227

5-3 The Network Switch 228

Hub-Switch Comparison 230

Managed Switches 233

Multilayer Switches 238

Section 5-3 Review 238

Test Your Knowledge 239

5-4 The Router 239

The Router Interface: Cisco 2800 Series 240

The Router Interface-Cisco 2600 Series 241

Section 5-4 Review 244

Test Your Knowledge 244

5-5 Interconnecting LANs with the Router 245

Gateway Address 247

Network Segments 247

Section 5-5 Review 248

Test Your Knowledge 248

5-6 Configuring the Network Interface-Auto-Negotiation 249

Auto-Negotiation Steps 249

Full-Duplex/Half-Duplex 250

Section 5-6 Review 252

Test Your Knowledge 252

Summary 253

Questions and Problems 253

Critical Thinking 258

Certification Questions 259

CHAPTER 6 TCP/IP 262

Chapter Outline 263

Objectives 263

Key Terms 263

6-1 Introduction 264

6-2 The TCP/IP Layers 265

The Application Layer 266

The Transport Layer 268

The Internet Layer 272

The Network Interface Layer 274

Section 6-2 Review 275

Test Your Knowledge 276

6-3 Number Conversion 276

Binary-to-Decimal Conversion 276

Decimal-to-Binary Conversion 278

Hexadecimal Numbers 280

Section 6-3 Review 283

Test Your Knowledge 283

6-4 IPv4 Addressing 283

Section 6-4 Review 287

Test Your Knowledge 287

6-5 Subnet Masks 288

Section 6-5 Review 295

Test Your Knowledge 295

6-6 CIDR Blocks 296

Section 6-6 Review 299

Test Your Knowledge 299

6-7 IPv6 Addressing 300

Section 6-7 Review 303

Test Your Knowledge 303

Summary 304

Questions and Problems 304

Critical Thinking 313

Certification Questions 314

CHAPTER 7 Introduction to Router Configuration 318

Chapter Outline 319

Objectives 319

Key Terms 319

7-1 Introduction 320

7-2 Router Fundamentals 321

Layer 3 Networks 323

Section 7-2 Review 328

Test Your Knowledge 329

7-3 The Console Port Connection 329

Configuring the HyperTerminal Software (Windows) 331

Configuring the Z-Term Serial Communications Software (Mac) 333

Section 7-3 Review 335

Test Your Knowledge 335

7-4 The Router's User EXEC Mode (Router>) 336

The User EXEC Mode 336

Router Configuration Challenge: The User EXEC Mode 339

Section 7-4 Review 342

Test Your Knowledge 342

7-5 The Router's Privileged EXEC Mode (Router#) 343

Hostname 344

Enable Secret 344

Setting the Line Console Passwords 345

Fast Ethernet Interface Configuration 346

Serial Interface Configuration 347

Router Configuration Challenge: The Privileged EXEC Mode 349

Section 7-5 Review 351

Test Your Knowledge 351

Summary 352

Questions and Problems 352

Critical Thinking 357

Certification Questions 359

CHAPTER 8 Introduction to Switch Configuration 362

Chapter Outline 363

Objectives 363

Key Terms 363

8-1 Introduction 364

8-2 Introduction to VLANs 365

Virtual LAN 366

Section 8-2 Review 367

Test Your Knowledge 367

8-3 Introduction to Switch Configuration 368

Hostname 368

Enable Secret 369

Setting the Line Console Passwords 369

Static VLAN Configuration 371

Networking Challenge-Switch Configuration 375

Section 8-3 Review 376

Test Your Knowledge 376

8-4 Spanning-Tree Protocol 377

Section 8-4 Review 379

Test Your Knowledge 379

8-5 Network Management 380

Section 8-5 Review 383

Test Your Knowledge 384

8-6 Power Over Ethernet 385

Section 8-6 Review 387

Test Your Knowledge 387

Summary 389

Questions and Problems 389

Critical Thinking 394

Certification Questions 395

CHAPTER 9 Routing Protocols 398

Chapter Outline 399

Objectives 399

Key Terms 399

9-1 Introduction 400

9-2 Static Routing 401

Gateway of Last Resort 408

Configuring Static Routes 408

Networking Challenge: Chapter 9-Static Routes 411

Section 9-2 Review 412

Test Your Knowledge 412

9-3 Dynamic Routing Protocols 413

Section 9-3 Review 414

Test Your Knowledge 415

9-4 Distance Vector Protocols 415

Section 9-4 Review 417

Test Your Knowledge 417

9-5 Configuring RIP and RIPv2 418

Configuring Routes with RIP 420

Configuring Routes with RIP Version 2 425

Networking Challenge-RIP V2 426

Section 9-5 Review 427

Test Your Knowledge 428

9-6 Link State Protocols 428

Section 9-6 Review 431

Test Your Knowledge 431

9-7 Configuring the Open Shortest Path First (OSPF) Routing Protocol 432

Networking Challenge: OSPF 437

Section 9-7 Review 437

Test Your Knowledge 438

9-8 Hybrid Protocols: Configuring the Enhanced Interior Gateway Routing Protocol (EIGRP) 438

Configuring Routes with EIGRP 439

Networking Challenge-EIGRP 443

Section 9-8 Review 444

Test Your Knowledge 445

Summary 446

Questions and Problems 446

Critical Thinking 459

Certification Questions 459

CHAPTER 10 Internet Technologies: Out to the Internet 462

Chapter Outline 463

Objectives 463

Key Terms 463

10-1 Introduction 465

10-2 The Line Connection 467

Data Channels 468

Point of Presence 470

Section 10-2 Review 472

Test Your Knowledge 472

10-3 Remote Access 473

Analog Modem Technologies 473

Cable Modems 474

xDSL Modems 474

The Remote Access Server 477

Section 10-3 Review 479

Test Your Knowledge 480

10-4 Metro Ethernet/Carrier Ethernet 480

Ethernet Service Types 482

Service Attributes 483

Section 10-4 Review 484

Test Your Knowledge 484

10-5 Network Services-DHCP and DNS 485

The DHCP Data Packets 487

DHCP Deployment 488

Network Services: DNS 489

Internet Domain Name 490

Section 10-5 Review 495

Test Your Knowledge 496

10-6 Internet Routing-BGP 496

Section 10-6 Review 499

Test Your Knowledge 499

10-7 Analyzing Internet Data Traffic 500

Utilization/Errors Strip Chart 501

Network Layer Matrix 501

Network Layer Host Table 502

Frame Size Distribution 502

Section 10-7 Review 503

Test Your Knowledge 504

Summary 505

Questions and Problems 505

Certification Questions 511

CHAPTER 11 Troubleshooting 514

Chapter Outline 515

Objectives 515

Key Terms 515

11-1 Introduction 516

11-2 Analyzing Computer Networks 518

Using Wireshark to Inspect Data Packets 518

Using Wireshark to Capture Packets 521

Section 11-2 Review 522

Test Your Knowledge 523

11-3 Analyzing Computer Networks-FTP Data Packets 523

Section 11-3 Review 524

Test Your Knowledge 524

11-4 Analyzing Campus Network Data Traffic 525

Section 11-4 Review 527

Test Your Knowledge 528

11-5 Troubleshooting the Router Interface 528

Section 11-5 Review 533

Test Your Knowledge 533

11-6 Troubleshooting the Switch Interface 533

Section 11-6 Review 537

Test Your Knowledge 537

11-7 Troubleshooting Fiber Optics-The OTDR 538

Section 11-7 Review 540

Test Your Knowledge 540

11-8 Troubleshooting Wireless Networks 540

Section 11-8 Review 542

Test Your Knowledge 543

Summary 544

Questions and Problems 544

Certification Questions 549

CHAPTER 12 Network Security 552

Chapter Outline 553

Objectives 553

Key Terms 553

12-1 Introduction 554

12-2 Intrusion (How an Attacker Gains Control of a Network) 556

Social Engineering 556

Section 12-2 Review 563

Test Your Knowledge 564

12-3 Denial of Service 564

Section 12-3 Review 566

Test Your Knowledge 567

12-4 Security Software and Hardware 567

Section 12-4 Review 578

Test Your Knowledge 579

12-5 Introduction to Virtual Private Network 579

Section 12-5 Review 588

Test Your Knowledge 589

12-6 Wireless Security 590

Section 12-6 Review 593

Test Your Knowledge 593

Summary 594

Questions and Problems 594

Critical Thinking 598

Certification Questions 599

CHAPTER 13 Cloud Computing and Virtualization 602

Chapter Outline 603

Objectives 603

Key Terms 603

13-1 Introduction 604

13-2 Virtualization 604

Setting Up Virtualization on Windows 8/10 607

Section 13-2 Review 616

Test Your Knowledge 616

13-3 Cloud Computing 616

Infrastructure as a Service (IaaS) 618

Platform as a Service (PaaS) 619

Software as a Service (SaaS) 619

Section 13-3 Review 619

Test Your Knowledge 619

Summary 620

Questions and Problems 620

Certification Questions 622

CHAPTER 14 Codes and Standards 624

Chapter Outline 625

Objectives 625

Key Terms 625

14-1 Introduction 626

14-2 Safety Standards and Codes 627

Design and Construction Requirements for Exit Routes (29 CFR 1910.36) 627

Maintenance, Safeguards, and Operational Features for Exit Routes (29 CFR 1910.37) 628

Emergency Action Plans (29 CFR 1910.38) 628

Fire Prevention Plans (29 CFR 1910.39) 629

Portable Fire Extinguishers (29 CFR 1910.157) 629

Fixed Extinguishing Systems (29 CFR 1910.160) 630

Fire Detection Systems (29 CFR 1910.164) 631

Employee Alarm Systems (29 CFR 1910.165) 632

Hazard Communication (29 CFR 1910.1200) 633

HVAC Systems 633

Door Access 633

Section 14-2 Review 634

Test Your Knowledge 634

14-3 Industry Regulatory Compliance 634

FERPA 635

FISMA 635

GLBA 635

HIPAA 635

PCI DSS 636

Section 14-3 Review 637

Test Your Knowledge 638

14-4 Business Policies and Procedures 638

Memorandum of Understanding 638

Service Level Agreement 639

Master Service Agreement 639

Statement of Work 639

Acceptable Use Policy 640

Section 14-4 Review 640

Test Your Knowledge 640

Summary 641

Questions and Problems 641

Certification Questions 644

Glossary 646

TOC, 9780789758194, 12/01/2015
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About Jeffrey S. Beasley

Jeffrey S. Beasley is a professor in the Information and Communications Technology program at New Mexico State University, where he teaches computer networking and many related topics. He is the author of Networking, Second Edition, as well as coauthor of Modern Electronic Communication, Ninth Edition, Networking Essentials 3e, and A Practical Guide to Advance Networking.



Piyasat Nilkaew is the director of Telecommunications and Networking at New Mexico State University, with more than 15 years of experience in network management and consulting. He has extensive expertise in deploying and integrating multiprotocol and multivendor data, voice, and video network solutions. He is coauthor of Networking Essentials 3e and A Practical Guide to Advance Networking.
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