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Introduction to Networks v6 Companion Guide

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Introduction to Networks v6 Companion Guide

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  • About eBook Formats
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    ePub EPUB The open industry format known for its reflowable content and usability on supported mobile devices.

    MOBI MOBI The eBook format compatible with the Amazon Kindle and Amazon Kindle applications.

    Adobe Reader PDF The popular standard, used most often with the free Adobe® Reader® software.

    This eBook requires no passwords or activation to read. We customize your eBook by discreetly watermarking it with your name, making it uniquely yours.

About

Features

The book’s features help you focus on important concepts to 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 lists of networking vocabulary introduced and highlighted in context in each chapter.
  • Glossary–Consult the comprehensive Glossary with more than 250 terms.
  • Summary of Activities and Labs–Maximize your study time with this complete list of all associated practice exercises at the end of each chapter.
  • Check Your Understanding–Evaluate your readiness with the end-ofchapter questions that match the style of questions you see in the online course quizzes. The answer key explains each answer.

Description

  • Copyright 2017
  • Dimensions: 8" x 9-1/8"
  • Pages: 704
  • Edition: 1st
  • Book
  • ISBN-10: 1-58713-360-1
  • ISBN-13: 978-1-58713-360-2

Introduction to Networks Companion Guide v6 is the official supplemental textbook for the Introduction to Networks course in the Cisco® Networking Academy® CCNA® Routing and Switching curriculum.


The course introduces the architecture, structure, functions, components, and models of the Internet and computer networks. The principles of IP addressing and fundamentals of Ethernet concepts, media, and operations are introduced to provide a foundation for the curriculum. By the end of the course, you will be able to build simple LANs, perform basic configurations for routers and switches, and implement IP addressing schemes.


The Companion Guide is designed as a portable desk reference to use anytime, anywhere to reinforce the material from the course and organize your time.


The book’s features help you focus on important concepts to 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 lists of networking vocabulary introduced and highlighted in context in each chapter.
  • Glossary–Consult the comprehensive Glossary with more than 250 terms.
  • Summary of Activities and Labs–Maximize your study time with this complete list of all associated practice exercises at the end of each chapter.
  • Check Your Understanding–Evaluate your readiness with the end-ofchapter questions that match the style of questions you see in the online course quizzes. The answer key explains each answer.


How To–Look for this icon to study the steps you need to learn to perform certain tasks.


Interactive Activities–Reinforce your understanding of topics with dozens of exercises from the online course identified throughout the book with this icon.


Videos–Watch the videos embedded within the online course.


Packet Tracer Activities–Explore and visualize networking concepts using Packet Tracer. There are 40 exercises interspersed throughout the chapters and provided in the accompanying Labs & Study Guide book.


Sample Content

Table of Contents

    Introduction xxiv

Chapter 1 Explore the Network 1

    Objectives 1

    Key Terms 1

    Introduction (1.0.1.1) 3

    Globally Connected (1.1) 4

        Networking Today (1.1.1) 4

        Providing Resources in a Network (1.1.2) 7

    LANs, WANs, and the Internet (1.2) 11

        Network Components (1.2.1) 11

        LANs and WANs (1.2.2) 20

        The Internet, Intranets, and Extranets (1.2.3) 23

        Internet Connections (1.2.4) 25

    The Network as a Platform (1.3) 28

        Converged Networks (1.3.1) 28

        Reliable Network (1.3.2) 30

    The Changing Network Environment (1.4) 35

        Network Trends (1.4.1) 35

        Networking Technologies for the Home (1.4.2) 39

        Network Security (1.4.3) 42

        Network Architecture (1.4.4) 44

    Summary (1.5) 47

    Practice 48

        Class Activities 48

        Labs 49

        Packet Tracer Activities 49

    Check Your Understanding Questions 49

Chapter 2 Configure a Network Operating System 53

    Objectives 53

    Key Terms 53

    Introduction (2.0.1.1) 54

    IOS Bootcamp (2.1) 54

        Cisco IOS (2.1.1) 55

        Cisco IOS Access (2.1.2) 58

        Navigate the IOS (2.1.3) 61

        The Command Structure (2.1.4) 64

    Basic Device Configuration (2.2) 68

        Hostnames (2.2.1) 68

        Limit Access to Device Configurations (2.2.2) 70

        Save Configurations (2.2.3) 72

    Address Schemes (2.3) 78

        Ports and Addresses (2.3.1) 78

        Configure IP Addressing (2.3.2) 81

    Verifying Connectivity (2.3.3) 85

    Summary (2.4) 87

    Practice 88

        Class Activities 88

        Labs 88

        Packet Tracer Activities 88

    Check Your Understanding Questions 89

Chapter 3 Network Protocols and Communications 91

    Objectives 91

    Key Terms 91

    Introduction (3.0) 92

    Rules of Communication (3.1) 92

        The Rules (3.1.1) 93

    Network Protocols and Standards (3.2) 100

        Protocols (3.2.1) 100

        Protocol Suites (3.2.2) 105

        Standard Organizations (3.2.3) 114

        Reference Models (3.2.4) 118

    Data Transfer in the Network (3.3) 123

        Data Encapsulation (3.3.1) 123

        Data Access (3.3.2) 127

    Summary (3.4) 135

    Practice 136

        Class Activities 136

        Labs 136

        Packet Tracer Activities 136

    Check Your Understanding Questions 137

Chapter 4 Network Access 141

    Objectives 141

    Key Terms 141

    Introduction (4.0) 143

    Physical Layer Protocols (4.1) 143

        Physical Layer Connection (4.1.1) 143

        Purpose of the Physical Layer (4.1.2) 146

        Physical Layer Characteristics (4.1.3) 150

    Network Media (4.2) 155

        Copper Cabling (4.2.1) 155

        UTP Cabling (4.2.2) 163

        Fiber-Optic Cabling (4.2.3) 168

        Wireless Media (4.2.4) 176

    Data Link Layer Protocols (4.3) 179

        Purpose of the Data Link Layer (4.3.1) 179

    Media Access Control (4.4) 185

        Topologies (4.4.1) 185

        WAN Topologies (4.4.2) 187

        LAN Topologies (4.4.3) 190

        Data Link Frame (4.4.4) 196

    Summary (4.5) 203

    Practice 204

        Class Activities 204

        Labs 204

        Packet Tracer Activities 205

    Check Your Understanding Questions 205

Chapter 5 Ethernet 209

    Objectives 209

    Key Terms 209

    Introduction (5.0) 210

    Ethernet Protocol (5.1) 211

        Ethernet Frame (5.1.1) 211

        Ethernet MAC Addresses (5.1.2) 216

    LAN Switches (5.2) 226

        The MAC Address Table (5.2.1) 226

        Switch Port Settings (5.2.3) 244

    Address Resolution Protocol (5.3) 247

        MAC and IP (5.3.1) 247

        ARP (5.3.2) 250

        ARP Issues (5.3.3) 264

    Summary (5.4) 266

    Practice 267

        Class Activities 267

        Labs 267

        Packet Tracer Activities 267

    Check Your Understanding Questions 268

Chapter 6 Network Layer 273

    Objectives 273

    Key Terms 273

    Introduction (6.0) 274

    Network Layer Protocols (6.1) 275

        Network Layer in Communications (6.1.1) 275

        Characteristics of the IP Protocol (6.1.2) 277

        IPv4 Packet (6.1.3) 281

        IPv6 Packet (6.1.4) 283

    Routing (6.2) 287

        How a Host Routes (6.2.1) 287

        Router Routing Tables (6.2.2) 291

    Routers (6.3) 296

        Anatomy of a Router (6.3.1) 296

        Router Boot-up (6.3.2) 303

    Configure a Cisco Router (6.4) 308

        Configure Initial Settings (6.4.1) 308

        Configure Interfaces (6.4.2) 312

        Configure the Default Gateway (6.4.3) 314

    Summary (6.5) 319

    Practice 320

        Class Activities 321

        Labs 321

        Packet Tracer Activities 321

    Check Your Understanding Questions 321

Chapter 7 IP Addressing 325

    Objectives 325

    Key Terms 325

    Introduction (7.0) 327

    IPv4 Network Addresses (7.1) 327

        Binary and Decimal Conversion (7.1.1) 327

        IPv4 Address Structure (7.1.2) 338

        IPv4 Unicast, Broadcast, and Multicast (7.1.3) 345

        Types of IPv4 Addresses (7.1.4) 350

    IPv6 Network Addresses (7.2) 357

        IPv4 Issues (7.2.1) 357

        IPv6 Addressing (7.2.2) 360

        Types of IPv6 Addresses (7.2.3) 364

        IPv6 Unicast Addresses (7.2.4) 369

        IPv6 Multicast Addresses (7.2.5) 385

    Connectivity Verification (7.3) 388

        ICMP (7.3.1) 388

        Testing and Verification (7.3.2) 392

    Summary (7.4) 398

    Practice 399

        Class Activities 399

        Labs 400

        Packet Tracer Activities 400

    Check Your Understanding Questions 400

Chapter 8 Subnetting IP Networks 403

    Objectives 403

    Key Terms 403

    Introduction (8.0) 404

    Subnetting an IPv4 Network (8.1) 405

        Network Segmentation (8.1.1) 405

        Subnetting an IPv4 Network (8.1.2) 408

        Subnetting a /16 and /8 Prefix (8.1.3) 421

        Subnetting to Meet Requirements (8.1.4) 427

        Benefits of Variable Length Subnet Masking (8.1.5) 432

    Addressing Schemes (8.2) 440

        Structured Design (8.2.1) 440

    Design Considerations for IPv6 (8.3) 443

        Subnetting an IPv6 Network (8.3.1) 443

    Summary (8.4) 449

    Practice 450

        Class Activities 450

        Labs 451

        Packet Tracer Activities 451

    Check Your Understanding Questions 451

Chapter 9 Transport Layer 455

    Objectives 455

    Key Terms 455

    Introduction (9.0) 456

    Transport Layer Protocols (9.1) 457

        Transportation of Data (9.1.1) 457

        TCP and UDP Overview (9.1.2) 464

    TCP and UDP (9.2) 474

        TCP Communication Process (9.2.1) 474

        Reliability and Flow Control (9.2.2) 482

        UDP Communication (9.2.3) 488

        TCP or UDP (9.2.4) 491

    Summary (9.3) 494

    Practice 495

        Class Activities 496

        Labs 496

        Packet Tracer Activities 496

    Check Your Understanding Questions 496

Chapter 10 Application Layer 501

    Objectives 501

    Key Terms 501

    Introduction (10.0) 502

    Application Layer Protocols (10.1) 502

        Application, Presentation, and Session (10.1.1) 502

        How Application Protocols Interact with End-User Applications (10.1.2) 506

    Well-Known Application Layer Protocols and Services (10.2) 510

        Web and Email Protocols (10.2.1) 510

        IP Addressing Services (10.2.2) 516

        File Sharing Services (10.2.3) 525

    Summary (10.3) 529

    Practice 530

        Class Activities 530

        Labs 530

        Packet Tracer Activities 531

    Check Your Understanding Questions 531

Chapter 11 Build a Small Network 533

    Objectives 533

    Key Terms 533

    Introduction (11.0) 534

    Network Design (11.1) 534

        Devices in a Small Network (11.1.1) 534

        Small Network Applications and Protocols (11.1.2) 539

    Network Security (11.2) 547

        Security Threats and Vulnerabilities (11.2.1) 547

        Network Attacks (11.2.2) 550

        Network Attack Mitigation (11.2.3) 556

        Device Security (11.2.4) 559

        Backup and Restore Configuration Files (11.2.5) 564

    Network Testing and Verification (11.3) 572

        The ping Command (11.3.1) 572

        The traceroute and tracert Command (11.3.2) 577

        Show Commands (11.3.3) 581

        Host and IOS Commands (11.3.4) 585

        Debugging (11.3.5) 592

    Network Troubleshooting (11.4) 594

        Troubleshooting Methodologies (11.4.1) 594

        Troubleshoot Cables and Interfaces (11.4.2) 598

        Troubleshooting Scenarios (11.4.3) 600

    Summary (11.5) 606

    Practice 608

        Class Activities 608

        Labs 608

        Packet Tracer Activities 608

    Check Your Understanding Questions 609

Appendix A 613

Glossary 627

9781587133602, TOC, 9/9/2016

    

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