Networking Essentials: A Comptia Network+ N10-008 Textbook, 6th Edition PDF by Jeffrey S Beasley And Piyasat Nilkaew

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Networking Essentials: A Comptia Network+ N10-008 Textbook, Sixth Edition

By Jeffrey S. Beasley And Piyasat Nilkaew

Networking Essentials: A Comptia Network+ N10-008 Textbook, 6th Edition PDF by Jeffrey S Beasley And Piyasat Nilkaew

Contents:

Introduction xxiii

CHAPTER 1 Introduction to Computer Networks 2

Chapter Outline 3

Objectives 3

Key Terms 3

1-1 Introduction 4

1-2 Network Topologies 6

Section 1-2 Review 11

Test Your Knowledge 11

1-3 The OSI Model 12

Section 1-3 Review 15

Test Your Knowledge 15

1-4 The Ethernet LAN 16

IP Addressing 20

Section 1-4 Review 22

Test Your Knowledge 23

1-5 Home Networking 24

Securing a Home Network 33

IP Addressing in a Home Network 34

Section 1-5 Review 36

Test Your Knowledge 38

1-6 Assembling an Office LAN 38

Diagram the Network 39

Connect the Network Devices 40

Configure the Computers to Operate on the LAN 44

Section 1-6 Review 44

Test Your Knowledge 45

1-7 Testing and Troubleshooting a LAN 45

Section 1-7 Review 48

Test Your Knowledge 49

Summary 50

Questions and Problems 50

Certification Questions 59

CHAPTER 2 Physical Layer Cabling: Twisted-Pair 62

Chapter Outline 63

Objectives 63

Key Terms 63

2-1 Introduction 65

2-2 Structured Cabling 66

Horizontal Cabling 69

Section 2-2 Review 73

Test Your Knowledge 73

2-3 Twisted-Pair Cable 74

Unshielded Twisted-Pair Cable 74

Shielded Twisted-Pair Cable 76

Section 2-3 Review 77

Test Your Knowledge 77

2-4 Terminating Twisted-Pair Cables 78

Computer Communication 79

Straight-Through and Crossover Patch Cables 82

Section 2-4 Review 90

Test Your Knowledge 91

2-5 Cable Testing and Certification 92

Section 2-5 Review 96

Test Your Knowledge 97

2-6 10 Gigabit Ethernet over Copper 97

Overview 98

Alien Crosstalk 98

Signal Transmission 100

Section 2-6 Review 101

Test Your Knowledge 101

2-7 Troubleshooting Cabling Systems 102

Cable Stretching 102

Cable Failing to Meet Manufacturer Specifications 102

CAT5e Cable Test Examples 104

Section 2-7 Review 111

Test Your Knowledge 111

Summary 112

Questions and Problems 112

Certification Questions 121

CHAPTER 3 Physical Layer Cabling: Fiber Optics 124

Chapter Outline 125

Objectives 125

Key Terms 125

3-1 Introduction 126

3-2 The Nature of Light 129

Graded-Index Fiber 133

Single-Mode Fibers 134

Section 3-2 Review 135

Test Your Knowledge 135

3-3 Fiber Attenuation and Dispersion 136

Attenuation 136

Dispersion 137

Dispersion Compensation 139

Section 3-3 Review 140

Test Your Knowledge 140

3-4 Optical Components 141

Intermediate Components 142

Detectors 143

Fiber Connectorization 145

Section 3-4 Review 146

Test Your Knowledge 147

3-5 Optical Networking 147

Defining Optical Networking 148

Building Distribution 151

Campus Distribution 154

Optical Link Budget 157

Section 3-5 Review 158

Test Your Knowledge 159

3-6 Safety 160

Section 3-6 Review 161

Test Your Knowledge 162

3-7 Troubleshooting Fiber Optics: The OTDR 162

Section 3-7 Review 164

Test Your Knowledge 164

Summary 165

Questions and Problems 165

Certification Questions 169

CHAPTER 4 Wireless Networking 172

Chapter Outline 173

Objectives 173

Key Terms 173

4-1 Introduction 174

4-2 The IEEE 802.11 Wireless LAN Standard 175

Section 4-2 Review 184

Test Your Knowledge 185

4-3 802.11 Wireless Networking 185

Section 4-3 Review 195

Test Your Knowledge 196

4-4 Bluetooth, WiMAX, RFID, and Mobile Communications 197

Bluetooth 197

WiMAX 199

Radio Frequency Identification 200

Mobile (Cellular) Communications 204

Section 4-4 Review 205

Test Your Knowledge 206

4-5 Configuring a Point-to-Multipoint Wireless LAN: A Case Study 206

Step 1: Conducting an Antenna Site Survey 207

Step 2: Establishing a Point-to-Point Wireless Link to the Home Network 208

Steps 3 and 4: Configuring the Multipoint Distribution and Conducting an RF Site Survey 209

Step 5: Configuring the Remote Installations 211

Section 4-5 Review 212

Test Your Knowledge 212

4-6 Troubleshooting Wireless Networks 213

Access Point Hardware Issues 213

Wireless Router Issues 213

Wireless Compatibility 213

Signal Strength Problems 214

Wireless Coverage 214

Extending the Wireless Range 214

Frequency Interference Problems 214

Wireless Channel Utilization 214

Load Issues 215

SSID Issues 215

Securing Wi-Fi Issues 215

Cable Issues 215

Deauthentication/Disassociation Attacks 215

DHCP Issues 216

Wireless Printer Issues 216

Section 4-6 Review 216

Test Your Knowledge 216

Summary 217

Questions and Problems 217

Critical Thinking 224

Certification Questions 224

CHAPTER 5 Interconnecting the LANs 228

Chapter Outline 229

Objectives 229

Key Terms 229

5-1 Introduction 230

5-2 The Network Bridge 232

Section 5-2 Review 236

Test Your Knowledge 237

5-3 The Network Switch 237

Hub and Switch Comparison 239

Managed Switches 242

Multilayer Switches 247

Section 5-3 Review 247

Test Your Knowledge 248

5-4 The Router 249

The Router Interface 250

Quality of Service 251

Section 5-4 Review 253

Test Your Knowledge 254

5-5 The Console Port Connection 254

Configuring the PuTTY Software (Windows) 256

Configuring the ZTerm Serial Communications Software (Mac) 259

Section 5-5 Review 261

Test Your Knowledge 261

5-6 Interconnecting LANs with the Router 262

Gateway Address 265

Network Segments 265

Section 5-6 Review 266

Test Your Knowledge 266

5-7 Interconnecting LANs and WANs 267

Three-Tiered LAN Architecture 267

Core 268

Distribution/Aggregation Layer 269

Access/Edge Layer 269

Traffic Flow 269

Data Center Architecture 269

WAN High-Speed Serial Connections 270

Data Channels 270

Point of Presence 271

Metro Optical Ethernet/Carrier Ethernet 273

Ethernet Service Types 274

Service Attributes 276

Section 5-7 Review 277

Test Your Knowledge 277

Summary 279

Questions and Problems 279

Critical Thinking 287

Certification Questions 287

CHAPTER 6 TCP/IP 290

Chapter Outline 291

Objectives 291

Key Terms 291

6-1 Introduction 292

6-2 The TCP/IP Layers 294

The Application Layer 295

The Transport Layer 296

The Internet Layer 301

The Network Interface Layer 304

Section 6-2 Review 304

Test Your Knowledge 305

6-3 Number Conversion 306

Binary-to-Decimal Conversion 306

Decimal-to-Binary Conversion 307

Hexadecimal Numbers 309

Converting Hexadecimal 309

Section 6-3 Review 312

Test Your Knowledge 312

6-4 IPv4 Addressing 312

Section 6-4 Review 316

Test Your Knowledge 316

6-5 Subnet Masks: Subnetting and Supernetting 317

Subnetting 318

Alternative Technique to Derive the Subnets: Magic Number 323

Subnet Masking Examples 324

Gateway IP Address 326

Section 6-5 Review 327

Test Your Knowledge 327

6-6 Supernetting, CIDR Blocks, and VLSM 328

Section 6-6 Review 332

Test Your Knowledge 332

6-7 IPv6 Addressing 333

Transitioning to IPv6 335

CIDR for IPv6 337

Section 6-7 Review 338

Test Your Knowledge 339

Summary 340

Questions and Problems 340

Critical Thinking 349

Certification Questions 350

CHAPTER 7 Introduction to Router Configuration 354

Chapter Outline 355

Objectives 355

Key Terms 355

7-1 Introduction 356

7-2 Router Fundamentals 358

Layer 3 Networks 359

Section 7-2 Review 364

Test Your Knowledge 365

7-3 The Router’s User EXEC Mode (Router>) 366

The User EXEC Mode 366

Router Configuration Challenge: User EXEC Mode 369

Section 7-3 Review 372

Test Your Knowledge 372

7-4 The Router’s Privileged EXEC Mode (Router#) 373

The hostname Command 374

The enable secret Command 375

Setting the Line Console Passwords 375

FastEthernet Interface Configuration 376

Serial Interface Configuration 377

Router Configuration Challenge: Privileged EXEC Mode 380

Section 7-4 Review 382

Test Your Knowledge 382

7-5 Configuring the Network Interface: Auto-negotiation 383

Auto-negotiation Steps 384

Full-Duplex/Half-Duplex 384

Section 7-5 Review 386

Test Your Knowledge 387

7-6 Troubleshooting the Router Interface 387

Section 7-6 Review 392

Test Your Knowledge 392

Summary 393

Questions and Problems 393

Critical Thinking 399

Certification Questions 400

CHAPTER 8 Introduction to Switch Configuration 404

Chapter Outline 405

Objectives 405

Key Terms 405

8-1 Introduction 406

8-2 Introduction to VLANs 407

Virtual LANs 407

Section 8-2 Review 409

Test Your Knowledge 410

8-3 Introduction to Switch Configuration 410

Hostname 411

Enable Secret 412

Setting the Line Console Passwords 412

Static VLAN Configuration 414

VLAN Subinterfaces 418

Networking Challenge: Switch Configuration 419

Section 8-3 Review 420

Test Your Knowledge 421

8-4 Spanning Tree Protocol 422

Section 8-4 Review 424

Test Your Knowledge 425

8-5 Power over Ethernet 425

Section 8-5 Review 428

Test Your Knowledge 429

8-6 Troubleshooting the Switch Interface 429

Section 8-6 Review 434

Test Your Knowledge 435

Summary 436

Questions and Problems 436

Critical Thinking 440

Certification Questions 441

CHAPTER 9 Routing Protocols 444

Chapter Outline 445

Objectives 445

Key Terms 445

9-1 Introduction 446

9-2 Static Routing 447

Gateway of Last Resort 454

Configuring Static Routes 454

Networking Challenge: Static Routes 458

Section 9-2 Review 458

Test Your Knowledge 459

9-3 Dynamic Routing Protocols 460

Section 9-3 Review 462

Test Your Knowledge 463

9-4 Distance Vector Protocols 463

Section 9-4 Review 465

Test Your Knowledge 466

9-5 Configuring RIP and RIPv2 466

Configuring Routes with RIP 468

Configuring Routes with RIPv2 473

Networking Challenge: RIPv2 474

Section 9-5 Review 475

Test Your Knowledge 476

9-6 Link State Protocols 476

Section 9-6 Review 480

Test Your Knowledge 480

9-7 Configuring the Open Shortest Path First (OSPF) Routing Protocol 481

Networking Challenge: OSPF 485

Section 9-7 Review 486

Test Your Knowledge 487

9-8 Advanced Distance Vector Protocol: Configuring Enhanced Interior

Gateway Routing Protocol (EIGRP) 487

Configuring Routes with EIGRP 488

Networking Challenge: EIGRP 494

Section 9-8 Review 495

Test Your Knowledge 495

9-9 Internet Routing with Border Gateway Protocol (BGP) 496

Configuring BGP 496

Section 9-9 Review 498

Test Your Knowledge 498

9-10 IPv6 Routing 499

IPv6 Static Routing 499

RIP for IPv6 499

OSPF for IPv6 500

EIGRP for IPv6 501

BGP for IPv6 501

Section 9-10 Review 502

Test Your Knowledge 503

Summary 504

Questions and Problems 504

Critical Thinking 520

Certification Questions 520

CHAPTER 10 Managing the Network Infrastructure 524

Chapter Outline 525

Objectives 525

Key Terms 525

10-1 Introduction 527

10-2 Domain Name and IP Address Assignment 528

Section 10-2 Review 531

Test Your Knowledge 531

10-3 IP Address Management with DHCP 531

The DHCP Data Packets 534

DHCP Deployment 535

Section 10-3 Review 537

Test Your Knowledge 537

10-4 Scaling a Network with NAT and PAT 537

Section 10-4 Review 539

Test Your Knowledge 539

10-5 Domain Name System (DNS) 539

DNS Resource Records 541

Section 10-5 Review 546

Test Your Knowledge 546

10-6 Network Management Protocols 546

Configuring SNMP 547

Section 10-6 Review 551

Test Your Knowledge 552

10-7 Analyzing Network Traffic 552

Section 10-7 Review 559

Test Your Knowledge 559

10-8 Network Analyzer: Wireshark 560

Downloading and Installing Wireshark 560

Using Wireshark to Capture Packets 561

Using Wireshark to Inspect Data Packets 562

Section 10-8 Review 565

Test Your Knowledge 565

10-9 Analyzing Computer Networks: FTP Data Packets 566

Section 10-9 Review 567

Test Your Knowledge 567

10-10 Troubleshooting IP Networks 568

Verifying Network Settings 570

Investigating IP Address Issues 570

Finding Subnet Mask Issues 570

Looking for Gateway Issues 571

Identifying Name Resolution Issues 571

Investigating DHCP Issues 571

Checking for Blocked TCP/UDP Ports 573

Section 10-10 Review 573

Test Your Knowledge 573

Summary 574

Questions and Problems 574

Certification Questions 587

CHAPTER 11 Network Security 590

Chapter Outline 591

Objectives 591

Key Terms 591

11-1 Introduction 592

11-2 Intrusion: How Attackers Gain Control of a Network 594

Social Engineering 595

Password Cracking 596

Packet Sniffing 597

Packet Sniffing Attacks 598

Vulnerable Software 599

Preventing Vulnerable Software Attacks 600

Malware 602

Section 11-2 Review 604

Test Your Knowledge 605

11-3 Denial-of-Service 606

Distributed Denial-of-Service Attacks 608

Section 11-3 Review 609

Test Your Knowledge 609

11-4 Security Software and Hardware 610

Personal Firewalls 610

Antivirus/Anti-malware Software 610

Configuring Firewall Settings for Windows 10 611

Configuring Firewall Settings for macOS 615

Configuring Firewall Settings for Linux 616

Firewalls 617

Other Security Appliances 619

Computer Forensics 621

Section 11-4 Review 622

Test Your Knowledge 622

11-5 Managing Network Access 623

Section 11-5 Review 625

Test Your Knowledge 625

11-6 Router Security 626

Router Access 626

Router Services 628

Logging 630

Section 11-6 Review 631

Test Your Knowledge 631

11-7 Switch Security 631

Switch Port Security 633

Dynamic ARP Inspection 635

STP Special Features 635

Section 11-7 Review 637

Test Your Knowledge 637

11-8 Wireless Security 637

Section 11-8 Review 641

Test Your Knowledge 642

11-9 Remote Access and VPN Technologies 642

Analog Modem Technologies 643

Cable Modems 644

xDSL Modems 644

Remote Access Server 647

Virtual Private Network 647

VPN Tunneling Protocols 648

Configuring a Remote Client’s VPN Connection 652

Configuring a Windows 10 VPN Client 652

Configuring a macOS VPN Client 652

Configuring a Cisco VPN Client 653

Section 11-9 Review 658

Test Your Knowledge 658

11-10 Physical Security 659

Access Control Hardware 660

Detection Methods 661

Asset Disposal 662

Internet of Things (IoT) Security Devices 662

Section 11-10 Review 663

Test Your Knowledge 663

Summary 664

Questions and Problems 664

Critical Thinking 674

Certification Questions 674

CHAPTER 12 Cloud Computing and Virtualization 676

Chapter Outline 677

Objectives 677

Key Terms 677

12-1 Introduction 678

12-2 Virtualization 679

Setting Up Virtualization on Windows 10 682

Section 12-2 Review 691

Test Your Knowledge 691

12-3 Cloud Computing 692

Cloud Computing Service Models 694

Cloud Infrastructures 696

Section 12-3 Review 697

Test Your Knowledge 698

12-4 Enterprise Storage 698

Section 12-4 Review 700

Test Your Knowledge 700

Summary 701

Questions and Problems 701

Certification Questions 704

CHAPTER 13 Codes and Standards 706

Chapter Outline 707

Objectives 707

Key Terms 707

13-1 Introduction 708

13-2 Safety Standards and Codes 708

Design and Construction Requirements for Exit Routes (29 CFR 1910.36) 709

Maintenance, Safeguards, and Operational Features for Exit Routes (29 CFR 1910.37) 710

Emergency Action Plans (29 CFR 1910.38) 710

Fire Prevention Plans (29 CFR 1910.39) 711

Portable Fire Extinguishers (29 CFR 1910.157) 712

Fixed Extinguishing Systems (29 CFR 1910.160) 713

Fire Detection Systems (29 CFR 1910.164) 714

Employee Alarm Systems (29 CFR 1910.165) 715

Hazard Communication (29 CFR 1910.1200) 716

HVAC Systems 717

Door Access 717

Section 13-2 Review 718

Test Your Knowledge 718

13-3 Industry Regulatory Compliance 718

FERPA 719

FISMA 719

GDPR 719

GLBA 719

HIPAA 720

PCI DSS 720

International Export Controls 720

Section 13-3 Review 722

Test Your Knowledge 722

13-4 Business Policies, Procedures, and Other Best Practices 723

Memorandum of Understanding 723

Service-Level Agreement 724

Master Service Agreement 724

Master License Agreement 724

Non-Disclosure Agreement 725

Statement of Work 725

Acceptable Use Policy 725

Incident Response Policy 725

Password Policy 726

Privileged User Agreement 726

Standard Operating Procedure 726

Onboarding and Offboarding Policies 727

Other Best Practices 727

Section 13-4 Review 728

Test Your Knowledge 728

13-5 Business Continuity and Disaster Recovery 729

Section 13-5 Review 732

Test Your Knowledge 732

Summary 733

Questions and Problems 733

Certification Questions 739

Glossary 742

Index 764

Online Only Elements:

Net-Challenge Software

Wireshark Captures

Network+ quizzes

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