CompTIA Network+ Deluxe Study Guide Exam N10-007

To complement the CompTIA Network+ Study Guide: Exam N10-007, 4e, and the CompTIA Network+ Deluxe Study Guide: Exam N10-007, 4e, look at CompTIA Network+ Practice Tests: Exam N10-007 (9781119432128).

Todd Lammle's bestselling CompTIA Network+ Deluxe Study Guide for the N10-007 exam!

CompTIA's Network+ certification tells the world you have the skills to install, configure, and troubleshoot today's basic networking hardware peripherals and protocols. First, however, you have to pass the exam!

CompTIA Network+ Deluxe Study Guide, Fourth Edition by networking guru Todd Lammle has everything you need to prepare for the CompTIA Network+ Exam N10-007. Inside, Todd covers all exam objectives, explains key topics, offers plenty of practical examples, and draws upon his own invaluable 30 years of networking experience to help you learn.

• Prepares you for Exam N10-007, the newest CompTIA Network+ Exam
• Covers all exam objectives including network technologies, network installation and configuration, network media and topologies, security, and more
• Includes practical examples review questions, as well as access to practice exams and flashcards to reinforce learning
• Offers invaluable insights and tips drawn from real-world experience

You will have a year of FREE access to a robust set of online interactive learning tools through the Sybex onlne test bank, including hundreds of sample questions, a pre-assessment test, bonus practice exams, and over 300 electronic flashcards. Prepare for the exam and enhance your career with the authorized CompTIA Network+ Deluxe Study Guide, Fourth Edition.

Todd Lammle, Network+, CCSI, CCNA, CCNP, is the networking authority. He has been involved in computers and networking with Fortune 500 companies for almost 30 years. Todd is President of GlobalNet System Solutions, Inc., a networking integration and training firm. He is also a bestselling author, with over 900,000 copies of his books in print. He can be reached through his website at www.lammle.com.

Introduction xxx

Assessment Test lxvi

Chapter 1 Introduction to Networks 1

First Things First: What’s a Network? 2

Physical Network Topologies 11

Topology Selection, Backbones, and Segments 19

Summary 21

Exam Essentials 22

Written Lab 22

Review Questions 23

Chapter 2 The Open Systems Interconnection Specifications 27

Internetworking Models 28

The OSI Reference Model 30

Introduction to Encapsulation 45

Modulation Techniques 46

Summary 47

Exam Essentials 48

Written Lab 48

Review Questions 50

Chapter 3 Networking Topologies, Connectors, and Wiring Standards 55

Physical Media 57

Cable Properties 73

Wiring Standards 75

Installing Wiring Distributions 82

Summary 84

Exam Essentials 85

Written Lab 85

Review Questions 87

Chapter 4 The Current Ethernet Specifications 91

Network Basics 92

Ethernet Basics 94

Ethernet at the Data Link Layer 99

Ethernet at the Physical Layer 106

Ethernet over Other Standards (IEEE 1905.1-2013) 111

Summary 114

Exam Essentials 115

Written Lab 115

Review Questions 120

Chapter 5 Networking Devices 125

Common Network Connectivity Devices 128

Other Specialized Devices 146

Planning and Implementing a Basic SOHO Network Using Network Segmentation 159

Summary 169

Exam Essentials 169

Written Lab 170

Review Questions 171

Chapter 6 Introduction to the Internet Protocol 175

Introducing TCP/IP 177

Data Encapsulation 198

Summary 202

Exam Essentials 202

Written Lab 203

Review Questions 204

Chapter 7 IP Addressing 209

IP Terminology 210

The Hierarchical IP Addressing Scheme 211

IPv4 Address Types 218

Internet Protocol Version 6 (IPv6) 220

Summary 230

Exam Essentials 230

Written Labs 231

Review Questions 233

Chapter 8 IP Subnetting, Troubleshooting IP, and Introduction to NAT 237

Subnetting Basics 238

Troubleshooting IP Addressing 260

Introduction to Network Address Translation (NAT) 268

Summary 272

Exam Essentials 272

Written Lab 273

Review Questions 274

Chapter 9 Introduction to IP Routing 279

Routing Basics 280

The IP Routing Process 283

Testing Your IP Routing Understanding 289

Static and Dynamic Routing 291

Summary 294

Exam Essentials 294

Written Lab 294

Review Questions 296

Chapter 10 Routing Protocols 301

Routing Protocol Basics 302

Distance Vector Routing Protocols 306

Link State Routing Protocols 315

High Availability 319

Advanced IPv6 Concepts 326

IPv6 Routing Protocols 332

Summary 334

Exam Essentials 334

Written Lab 335

Review Questions 336

Chapter 11 Switching and Virtual LANs 341

Networking Before Layer 2 Switching 343

Switching Services 346

Spanning Tree Protocol 354

Virtual LANs 358

VLAN Trunking Protocol 367

Two Additional Advanced Features of Switches 376

Summary 380

Exam Essentials 381

Written Lab 381

Review Questions 383

Chapter 12 Wireless Networking 387

Introduction to Wireless Technology 390

Cellular 393

The 802.11 Standards 393

Comparing 802.11 Standards 399

Wireless Network Components 401

Installing a Wireless Network 405

Site Survey 418

Wireless Security 422

Summary 433

Exam Essentials 433

Written Lab 434

Review Questions 435

Chapter 13 Authentication and Access Control 439

Security Filtering 441

Managing User Account and Password Security 458

User-Authentication Methods 468

Summary 476

Exam Essentials 477

Written Lab 477

Review Questions 479

Chapter 14 Network Threats and Mitigation 483

Recognizing Security Threats 485

Vulnerabilities 500

Understanding Mitigation Techniques 512

Policies and Procedures 516

Anti-malware Software 532

Summary 537

Exam Essentials 537

Written Lab 537

Review Questions 539

Chapter 15 Physical Security and Risk 543

Using Hardware and Software Security Devices 545

Defining Firewalls 547

Firewall Technologies 548

Firewalls at the Application Layer vs. the Network Layer 558

Scanning Services and Other Firewall Features 561

Intrusion Detection and Prevention Systems 566

VPN Concentrators 571

Understanding Problems Affecting Device Security 572

Summary 586

Exam Essentials 587

Written Lab 588

Review Questions 589

Chapter 16 Wide Area Networks 593

What’s a WAN? 596

T-Series Connections 601

Transmission Media 603

Broadband Services 607

Wireless WAN Technologies 611

WAN Protocols 613

WAN Troubleshooting 623

Summary 629

Exam Essentials 630

Written Lab 631

Review Questions 632

Chapter 17 Troubleshooting Tools 635

Protocol Analyzers 637

Throughput Testers 638

Connectivity Software 639

Using traceroute 640

Using the ping Utility 647

Using the Address Resolution Protocol 650

Using the nslookup Utility 654

Resolving Names with the Hosts Table 656

Using the Mtr Command (pathping) 657

Using the route Command 659

Using the nbtstat Utility 663

Using the netstat Utility 669

Using tcpdump 676

Using the File Transfer Protocol 677

Using the Telnet Utility 682

Summary 684

Exam Essentials 684

Written Lab 685

Review Questions 686

Chapter 18 Software and Hardware Tools 691

Understanding Network Scanners 693

Baseline 702

Network Monitoring and Logging 703

Identifying Hardware Tools 712

Summary 725

Exam Essentials 725

Written Lab 726

Review Questions 727

Chapter 19 Network Troubleshooting 731

Narrowing Down the Problem 734

Troubleshooting Steps 749

Troubleshooting Tips 770

Summary 773

Exam Essentials 774

Written Lab 774

Review Questions 776

Chapter 20 Management, Monitoring, and Optimization 781

Managing Network Documentation 785

Network Monitoring 795

Network Optimization 808

Summary 834

Exam Essentials 835

Written Lab 836

Review Questions 837

Appendix A Answers to Written Labs 841

Chapter 1: Introduction to Networks 842

Chapter 2: The Open Systems Interconnection Specifications 842

Chapter 3: Networking Topologies, Connectors, and Wiring Standards 843

Chapter 4: The Current Ethernet Specifications 843

Chapter 5: Networking Devices 845

Chapter 6: Introduction to the Internet Protocol 846

Chapter 7: IP Addressing 847

Chapter 8: IP Subnetting, Troubleshooting IP, and Introduction to NAT 848

Chapter 9: Introduction to IP Routing 849

Chapter 10: Routing Protocols 849

Chapter 11: Switching and Virtual LANs 850

Chapter 12: Wireless Networking 850

Chapter 13: Authentication and Access Control 850

Chapter 14: Network Threats and Mitigation 851

Chapter 15: Physical Security and Risk 851

Chapter 16: Wide Area Networks 852

Chapter 17: Troubleshooting Tools 852

Chapter 18: Software and Hardware Tools 853

Chapter 19: Network Troubleshooting 853

Chapter 20: Management, Monitoring, and Optimization 854

Appendix B Answers to Review Questions 855

Chapter 1: Introduction to Networks 856

Chapter 2: The Open Systems Interconnection Specifications 857

Chapter 3: Networking Topologies, Connectors, and Wiring Standards 859

Chapter 4: The Current Ethernet Specifications 860

Chapter 5: Networking Devices 861

Chapter 6: Introduction to the Internet Protocol 863

Chapter 7: IP Addressing 864

Chapter 8: IP Subnetting, Troubleshooting IP, and Introduction to NAT 866

Chapter 9: Introduction to IP Routing 868

Chapter 10: Routing Protocols 869

Chapter 11: Switching and Virtual LANs 871

Chapter 12: Wireless Networking 872

Chapter 13: Authentication and Access Control 874

Chapter 14: Network Threats and Mitigation 875

Chapter 15: Physical Security and Risk 877

Chapter 16: Wide Area Networks 878

Chapter 17: Troubleshooting Tools 880

Chapter 18: Software and Hardware Tools 881

Chapter 19: Network Troubleshooting 883

Chapter 20: Management, Monitoring, and Optimization 885

Appendix C Subnetting Class A 887

Subnetting Practice Examples: Class A Addresses 888

Subnetting in Your Head: Class A Addresses 890

Written Lab 1 891

Written Lab 2 892

Answers to Written Lab 1 892

Answers to Written Lab 2 893

Index 895

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