ISBN-10:
1587133571
ISBN-13:
9781587133572
Pub. Date:
07/05/2016
Publisher:
Cisco Press
Introduction to Networks Companion Guide v5.1 / Edition 1

Introduction to Networks Companion Guide v5.1 / Edition 1

by Cisco Networking Academy

Hardcover

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Overview

Introduction to Networks Companion Guide v5.1 / Edition 1

Introduction to Networks Companion Guide v5.1 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.

Product Details

ISBN-13: 9781587133572
Publisher: Cisco Press
Publication date: 07/05/2016
Series: Companion Guide Series
Edition description: New Edition
Pages: 704
Sales rank: 738,574
Product dimensions: 8.30(w) x 9.20(h) x 1.30(d)

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

Warriors of the Net (1.5.1.2) 47

Conclusion (1.5.1.3) 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 Spoofing (5.3.3.2) 265

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 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

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

Scale to Larger Networks (11.1.3) 544

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

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

TOC, 9781587133572, 5/19/2016

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