CCENT/CCNA ICND1 640-822 Official Cert Guide

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Overview

New Edition of Best Selling Official Cert Guide: Updated Content, New Exercises, and Expanded Coverage -- PLUS includes CCNA Network Simulator Lite Edition.

The new edition of bestselling CCENT/CCNA ICND1 640-822 Official Cert Guide by Wendell Odom has been updated to refresh the content, add new exercises, and enhance certain topics that are key to understanding for success on the CCENT and CCNA exams. The IP addressing topics have been rewritten and re-organized to mirror ...

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Overview

New Edition of Best Selling Official Cert Guide: Updated Content, New Exercises, and Expanded Coverage -- PLUS includes CCNA Network Simulator Lite Edition.

The new edition of bestselling CCENT/CCNA ICND1 640-822 Official Cert Guide by Wendell Odom has been updated to refresh the content, add new exercises, and enhance certain topics that are key to understanding for success on the CCENT and CCNA exams. The IP addressing topics have been rewritten and re-organized to mirror proven techniques to learn both the concepts and the specific pieces of the subnetting puzzle. In addition, the TCP/IP and OSI Networking Models chapter was also completely updated and rewritten.

Learn, prepare, and practice for exam success

  • Master CCENT/CCNA ICND1exam topics
  • Assess your knowledge with chapter-opening quizzes
  • Review key concepts with exam preparation tasks
  • Practice with realistic exam questions on the DVD
  • Learn from 60 minutes of Video mentoring
  • Apply concepts within Network Simulator lab exercises

CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition is a best of breed Cisco exam study guide. Best-selling author and expert instructor Wendell Odom shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. The book presents you with an organized test preparation routine through the use of proven series elements and techniques. The master table of exam topics makes referencing easy. “Do I Know This Already?” quizzes open each chapter and enable you to decide how much time you need to spend on each section. Chapter-ending Exam Preparation Tasks help you drill on key concepts you must know thoroughly. A final preparation chapter guides you through tools and resources to help you craft your final study plan. Special troubleshooting sections help you master the complex scenarios you will face on the exam.

The companion DVD contains the powerful Pearson IT Certification Practice Test engine, complete with hundreds of well-reviewed, exam-realistic questions. The assessment engine offers you a wealth of customization options and reporting features, laying out a complete assessment of your knowledge to help you focus your study where it is needed most. This new edition also includes a free copy of the CCNA ICND1 640-822 Network Simulator, Lite Edition, complete with meaningful lab exercises, which help you hone your hands-on skills with the Cisco user interface for routers and switches. The DVD also contains more than 60 minutes of personal video mentoring from the author focused on subnetting.

Well-regarded for its level of detail, assessment features, and challenging review questions and exercises, this official study guide helps you master the concepts and techniques that will enable you to succeed on the exam the first time.

CCENT/CCNA ICND1 640-822 Official Cert Guide, Third Edition is part of a recommended learning path from Cisco that includes simulation and hands-on training from authorized Cisco Learning Partners and self-study products from Cisco Press. To find out more about instructor-led training, e-learning, and hands-on instruction offered by authorized Cisco Learning Partners worldwide, please visit www.cisco.com/go/authorizedtraining.

Wendell Odom, CCIE No. 1624, is the most respected author of Cisco networking books in the world. His past titles include books on the entry-level Cisco certifications (CCENT and CCNA), the more advanced CCNP, and the industry-renowned CCIE. His books are known for their technical depth and accuracy. Wendell has worked as a network engineer, consultant, instructor, course developer, and book author, and he has produced videos, software, and blogs related to Cisco certifications. His website with links to various study tools and resources is at www.certskills.com.

The official study guide helps you master all the topics on the CCENT/CCNA ICND1 exam, including

  • TCP/IP and OSI networking models
  • Operating Cisco routers and LAN switches
  • Ethernet switch configuration and troubleshooting
  • Wireless LANs
  • IP addressing and subnetting
  • Routing protocols
  • Router configuration and troubleshooting
  • Network security
  • WAN concepts and configuration

Companion DVD

The DVD contains two free, complete ICND1 practice exams and two free, full CCNA practice exams, CCNA ICND1 Network Simulator, Lite Edition, and 60 minutes of video training.

Includes Exclusive Offer for 70% Off Premium Edition eBook and Practice Test.

Pearson IT Certification Practice Test minimum system requirements:

Windows XP (SP3), Windows Vista (SP2), or Windows 7; Microsoft .NET Framework 4.0 Client; Microsoft SQL Server Compact 4.0; Pentium class 1GHz processor (or equivalent); 512 MB RAM; 650 MB disc space plus 50 MB for each downloaded practice exam.

This volume is part of the Official Cert Guide Series from Cisco Press. Books in this series provide officially developed exam preparation materials that offer assessment, review, and practice to help Cisco Career Certification candidates identify weaknesses, concentrate their study efforts, and enhance their confidence as exam day nears.

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Product Details

  • ISBN-13: 9781587204258
  • Publisher: Cisco Press
  • Publication date: 10/25/2011
  • Series: Official Cert Guide Series
  • Edition number: 3
  • Pages: 800
  • Sales rank: 313,137
  • Product dimensions: 9.34 (w) x 7.66 (h) x 1.74 (d)

Meet the Author

Wendell Odom, CCIE No. 1624, has been in the networking industry since 1981. He has worked as a network engineer, consultant, systems engineer, instructor, and course developer; he currently works writing and creating certification tools. He is author of all the previous editions of the Cisco Press CCNA Official Certification Guide series, as well as the CCNP ROUTE 642-902 Official Certification Guide, the CCIE Routing and Switching Official Certification Guide, Computer Networking First Step, the CCNA Video Mentor, IP Networking (a college textbook), and he is the primary networking consultant for the CCNA 640-802 Network Simulator from Pearson. He maintains study tools, links to his blogs, and other resources at www.certskills.com.

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Table of Contents

Introduction xxvii

Part I: Networking Fundamentals 3

Chapter 1 Introduction to Computer Networking 5

Perspectives on Networking 5

The Flintstones Network: The First Computer Network? 8

Chapter 2 The TCP/IP and OSI Networking Models 17

“Do I Know This Already?” Quiz 17

Foundation Topics 21

TCP/IP Networking Model 21

History Leading to TCP/IP 21

Overview of the TCP/IP Networking Model 23

TCP/IP Application Layer 24

TCP/IP Transport Layer 26

TCP/IP Internet Layer 29

TCP/IP Network Access Layer 33

TCP/IP Model and Terminology 34

OSI Networking Model 37

Comparing OSI and TCP/IP 37

Describing Protocols by Referencing the OSI Layers 38

OSI Layers and Their Functions 39

OSI Layering Concepts and Benefits 41

OSI Encapsulation Terminology 42

Exam Preparation Tasks 43

Review All the Key Topics 43

Complete the Tables and Lists from Memory 43

Definitions of Key Terms 43

OSI Reference 44

Chapter 3 Fundamentals of LANs 47

“Do I Know This Already?” Quiz 47

Foundation Topics 51

An Overview of Modern Ethernet LANs 51

A Brief History of Ethernet 54

The Original Ethernet Standards: 10BASE2 and 10BASE5 54

Repeaters 56

Building 10BASE-T Networks with Hubs 57

Ethernet UTP Cabling 58

UTP Cables and RJ-45 Connectors 58

Transmitting Data Using Twisted Pairs 60

UTP Cabling Pinouts for 10BASE-T and 100BASE-TX 61

1000BASE-T Cabling 64

Improving Performance by Using Switches Instead of Hubs 64

Increasing Available Bandwidth Using Switches 67

Doubling Performance by Using Full-Duplex Ethernet 68

Ethernet Layer 1 Summary 69

Ethernet Data-Link Protocols 69

Ethernet Addressing 70

Ethernet Framing 71

Identifying the Data Inside an Ethernet Frame 73

Error Detection 74

Exam Preparation Tasks 75

Review All the Key Topics 75

Complete the Tables and Lists from Memory 75

Definitions of Key Terms 75

Chapter 4 Fundamentals of WANs 77

“Do I Know This Already?” Quiz 77

Foundation Topics 80

OSI Layer 1 for Point-to-Point WANs 80

WAN Connections from the Customer Viewpoint 83

WAN Cabling Standards 84

Clock Rates, Synchronization, DCE, and DTE 86

Building a WAN Link in a Lab 87

Link Speeds Offered by Telcos 88

OSI Layer 2 for Point-to-Point WANs 89

HDLC 89

Point-to-Point Protocol 91

Point-to-Point WAN Summary 91

Frame Relay and Packet-Switching Services 92

The Scaling Benefits of Packet Switching 92

Frame Relay Basics 93

Exam Preparation Tasks 97

Review All the Key Topics 97

Complete the Tables and Lists from Memory 97

Definitions of Key Terms 97

Chapter 5 Fundamentals of IPv4 Addressing and Routing 99

“Do I Know This Already?” Quiz 99

Foundation Topics 104

Overview of Network Layer Functions 104

Routing (Forwarding) 105

Network Layer Interaction with the Data Link Layer 107

IP Packets and the IP Header 108

Network Layer (Layer 3) Addressing 109

Routing Protocols 110

IP Addressing 111

IP Addressing Definitions 111

How IP Addresses Are Grouped 112

Classes of Networks 113

IP Routing 120

Host Routing 120

Router Forwarding Decisions and the IP Routing Table 121

IP Routing Protocols 124

Network Layer Utilities 127

Address Resolution Protocol and the Domain Name System 127

Address Assignment and DHCP 129

ICMP Echo and the ping Command 131

Exam Preparation Tasks 132

Review All the Key Topics 132

Complete the Tables and Lists from Memory 133

Definitions of Key Terms 133

Chapter 6 Fundamentals of TCP/IP Transport, Applications, and Security 135

“Do I Know This Already?” Quiz 135

Foundation Topics 139

TCP/IP Layer 4 Protocols: TCP and UDP 139

Transmission Control Protocol 140

User Datagram Protocol 151

TCP/IP Applications 152

QoS Needs and the Impact of TCP/IP Applications 152

The World Wide Web, HTTP, and SSL 155

Network Security 159

Perspectives on the Sources and Types of Threats 160

Firewalls and the Cisco Adaptive Security Appliance (ASA) 164

Anti-x 166

Intrusion Detection and Prevention 166

Virtual Private Networks (VPN) 167

Exam Preparation Tasks 169

Review All the Key Topics 169

Complete the Tables and Lists from Memory 169

Definitions of Key Terms 169

Part II: LAN Switching 171

Chapter 7 Ethernet LAN Switching Concepts 173

“Do I Know This Already?” Quiz 173

Foundation Topics 177

LAN Switching Concepts 177

Historical Progression: Hubs, Bridges, and Switches 177

Switching Logic 180

LAN Switching Summary 188

LAN Design Considerations 189

Collision Domains and Broadcast Domains 189

Virtual LANs (VLAN) 193

Campus LAN Design Terminology 194

Ethernet LAN Media and Cable Lengths 197

Exam Preparation Tasks 200

Review All the Key Topics 200

Complete the Tables and Lists from Memory 200

Definitions of Key Terms 201

Chapter 8 Operating Cisco LAN Switches 203

“Do I Know This Already?” Quiz 203

Foundation Topics 206

Accessing the Cisco Catalyst 2960 Switch CLI 206

Cisco Catalyst Switches and the 2960 Switch 207

Switch Status from LEDs 208

Accessing the Cisco IOS CLI 211

User and Enable (Privileged) Modes 216

CLI Help Features 217

The debug and show Commands 219

Configuring Cisco IOS Software 220

Configuration Submodes and Contexts 221

Storing Switch Configuration Files 223

Copying and Erasing Configuration Files 226

Initial Configuration (Setup Mode) 227

Exam Preparation Tasks 232

Review All the Key Topics 232

Complete the Tables and Lists from Memory 232

Definitions of Key Terms 232

Command References 232

Chapter 9 Ethernet Switch Configuration 237

“Do I Know This Already?” Quiz 237

Foundation Topics 241

Configuration of Features in Common with Routers 241

Securing the Switch CLI 241

Console and vty Settings 251

LAN Switch Configuration and Operation 254

Configuring the Switch IP Address 254

Configuring Switch Interfaces 257

Port Security 259

VLAN Configuration 262

Securing Unused Switch Interfaces 265

Exam Preparation Tasks 267

Review All the Key Topics 267

Complete the Tables and Lists from Memory 267

Definitions of Key Terms 268

Command References 268

Chapter 10 Ethernet Switch Troubleshooting 273

“Do I Know This Already?” Quiz 273

Foundation Topics 277

Perspectives on Network Verification and Troubleshooting 277

Attacking Sim Questions 277

Simlet Questions 278

Multiple-Choice Questions 279

Approaching Questions with an Organized Troubleshooting Process 279

Isolating Problems at Layer 3, and Then at Layers 1 and 2 281

Troubleshooting as Covered in This Book 282

Verifying the Network Topology with Cisco Discovery Protocol 283

Analyzing Layer 1 and 2 Interface Status 288

Interface Status Codes and Reasons for Nonworking States 288

Interface Speed and Duplex Issues 290

Common Layer 1 Problems on Working Interfaces 293

Analyzing the Layer 2 Forwarding Path with the MAC Address Table 295

Analyzing the Forwarding Path 298

Port Security and Filtering 299

Exam Preparation Tasks 301

Review All the Key Topics 301

Complete the Tables and Lists from Memory 301

Definitions of Key Terms 301

Command References 301

Chapter 11 Wireless LANs 305

“Do I Know This Already?” Quiz 305

Foundation Topics 308

Wireless LAN Concepts 308

Comparisons with Ethernet LANs 309

Wireless LAN Standards 310

Modes of 802.11 Wireless LANs 311

Wireless Transmissions (Layer 1) 313

Media Access (Layer 2) 320

Deploying WLANs 321

Wireless LAN Implementation Checklist 321

Wireless LAN Security 326

WLAN Security Issues 326

The Progression of WLAN Security Standards 328

Exam Preparation Tasks 333

Review All the Key Topics 333

Complete the Tables and Lists from Memory 333

Definitions of Key Terms 333

Part III: IPv4 Addressing and Subnetting 335

Chapter 12 Perspectives on IPv4 Subnetting 337

“Do I Know This Already?” Quiz 337

Foundation Topics 340

Introduction to Subnetting 340

Subnetting Defined Through a Simple Example 340

Operational View Versus Design View of Subnetting 341

Analyze Subnetting and Addressing Needs 342

Rules About Which Hosts Are in Which Subnet 342

Determining the Number of Subnets 344

Determining the Number of Hosts per Subnet 345

One Size Subnet Fits All—Or Not 346

Defining the Size of a Subnet 346

Make Design Choices 349

Choose a Classful Network 350

Choose the Mask 354

Build a List of All Subnets 359

Plan the Implementation 360

Choose Static and Dynamic Ranges per Subnet 362

Exam Preparation Tasks 364

Review All the Key Topics 364

Complete the Tables and Lists from Memory 364

Definitions of Key Terms 364

Chapter 13 Analyzing Classful IPv4 Networks 367

“Do I Know This Already?” Quiz 367

Foundation Topics 369

Classful Network Concepts 369

IPv4 Network Classes and Related Facts 369

Number of Hosts per Network 373

Deriving the Network ID and Related Numbers 373

Practice with Classful Networks 376

Practice Deriving Key Facts Based on an IP Address 377

Practice Remembering the Details of Address Classes 377

Additional Practice 378

Exam Preparation Tasks 379

Review All the Key Topics 379

Complete the Tables and Lists from Memory 379

Definitions of Key Terms 379

Practice 379

Answers to Earlier Practice Problems 380

Answers to Practice Problem 7 380

Answers to Practice Problem 8 381

Answers to Practice Problem 9 381

Chapter 14 Converting Subnet Masks 383

“Do I Know This Already?” Quiz 383

Foundation Topics 366

Subnet Mask Conversion 386

Three Mask Formats 386

Converting Between Binary and Prefix Masks 387

Converting Between Binary and DDN Masks 388

Converting Between Prefix and DDN Masks 390

Practice Converting Subnet Masks 391

Practice Problems for This Chapter 391

Additional Practice 392

Exam Preparation Tasks 393

Review All the Key Topics 393

Definitions of Key Terms 393

Practice 393

Answers to Earlier Practice Problems 394

Chapter 15 Analyzing Existing Subnet Masks 397

“Do I Know This Already?” Quiz 397

Foundation Topics 400

Defining the Format of IPv4 Addresses 400

Masks Divide the Subnet’s Addresses into Two Parts 401

Masks and Class Divide Addresses into Three Parts 402

Classless and Classful Addressing 403

Calculations Based on the IPv4 Address Format 403

Practice Analyzing Subnet Masks 405

Practice Problems for This Chapter 406

Additional Practice 407

Exam Preparation Tasks 408

Review All the Key Topics 408

Definitions of Key Terms 408

Practice 408

Answers to Earlier Practice Problems 408

Chapter 16 Designing Subnet Masks 411

“Do I Know This Already?” Quiz 411

Foundation Topics 414

Choosing the Mask(s) to Meet Requirements 414

Review: Choosing the Minimum Number of Subnet and Host Bits 414

No Masks Meet Requirements 416

One Mask Meets Requirements 417

Multiple Masks Meet Requirements 418

The Formal Process 421

Practice Choosing Subnet Masks 422

Practice Problems for This Chapter 422

Additional Practice 423

Exam Preparation Tasks 424

Review All the Key Topics 424

Definitions of Key Terms 424

Practice 424

Answers to Earlier Practice Problems 425

Chapter 17 Analyzing Existing Subnets 427

“Do I Know This Already?” Quiz 427

Foundation Topics 430

Defining a Subnet 430

An Example with Network 172.16.0.0 and Four Subnets 430

Subnet ID Concepts 432

Subnet Broadcast Address 433

Range of Usable Addresses 434

Analyzing Existing Subnets: Binary 434

Finding the Subnet ID: Binary 435

Finding the Subnet Broadcast: Binary 437

Binary Practice Problems 438

Shortcut for the Binary Process 440

Brief Note About Boolean Math 442

Finding the Range of Addresses 442

Analyzing Existing Subnets: Decimal 442

Analysis with Easy Masks 443

Predictability in the Interesting Octet 444

Finding the Subnet ID: Difficult Masks 446

Finding the Subnet Broadcast Address: Difficult Masks 449

Practice Analyzing Existing Subnets 451

A Choice: Memorize or Calculate 451

Practice Problems for This Chapter 452

Additional Practice 452

Exam Preparation Tasks 453

Review All the Key Topics 453

Complete the Tables and Lists from Memory 453

Definitions of Key Terms 453

Practice 454

Answers to Earlier Practice Problems 454

Chapter 18 Finding All Subnet IDs 459

“Do I Know This Already?” Quiz 459

Foundation Topics 462

Finding All Subnet IDs 462

First Subnet ID: The Zero Subnet 462

Finding the Pattern Using the Magic Number 463

A Formal Process with Less Than 8 Subnet Bits 464

Example 1: Network 172.16.0.0, Mask 255.255.240.0 465

Example 2: Network 192.168.1.0, Mask 255.255.255.224 467

Finding All Subnets with Exactly 8 Subnet Bits 469

Finding All Subnets with More Than 8 Subnet Bits 469

Practice Finding All Subnet IDs 472

Practice Problems for This Chapter 473

Additional Practice 473

Exam Preparation Tasks 474

Review All the Key Topics 474

Definitions of Key Terms 474

Answers to Earlier Practice Problems 474

Answer, Practice Problem 1 474

Answer, Practice Problem 2 475

Answer, Practice Problem 3 476

Part IV: IPv4 Routing 479

Chapter 19 Operating Cisco Routers 481

“Do I Know This Already?” Quiz 481

Foundation Topics 485

Installing Cisco Routers 485

Installing Enterprise Routers 485

Installing Internet Access Routers 489

Regarding the SOHO Devices Used in This Book 491

Cisco Router IOS CLI 491

Comparisons Between the Switch CLI and Router CLI 492

Router Interfaces 493

Router Auxiliary (Aux) Port 499

Initial Configuration (Setup Mode) 499

Upgrading Cisco IOS Software and the Cisco IOS Software Boot Process 502

Upgrading a Cisco IOS Software Image into Flash Memory 502

The Cisco IOS Software Boot Sequence 505

Exam Preparation Tasks 513

Review All the Key Topics 513

Complete the Tables and Lists from Memory 513

Definitions of Key Terms 514

Read Appendix J Scenario 2 514

Command References 514

Chapter 20 Routing Protocol Concepts and Configuration 517

“Do I Know This Already?” Quiz 517

Foundation Topics 521

Connected and Static Routes 521

Connected Routes 521

Static Routes 524

Extended ping Command 526

Default Routes 528

Routing Protocol Overview 530

RIP-2 Basic Concepts 531

Comparing and Contrasting IP Routing Protocols 532

Interior and Exterior Routing Protocols 533

Summary of Interior Routing Protocols 537

Configuring and Verifying RIP-2 538

RIP-2 Configuration 538

RIP-2 Verification 540

Exam Preparation Tasks 549

Review All the Key Topics 549

Complete the Tables and Lists from Memory 549

Definitions of Key Terms 550

Command References 550

Chapter 21 Troubleshooting IP Routing 553

“Do I Know This Already?” Quiz 553

Foundation Topics 557

IP Troubleshooting Tips and Tools 557

IP Addressing 557

Host Networking Commands 560

Troubleshooting Host Routing Problems 564

Finding the Matching Route on a Router 565

Troubleshooting Commands 567

A Routing Troubleshooting Scenario 573

Scenario Part A: Tasks and Questions 573

Scenario Part A: Answers 576

Scenario Part B: Analyze Packet/Frame Flow 577

Scenario Part B: Answers 578

Scenario Part C: Analyze Connected Routes 585

Scenario Part C: Answers 585

Exam Preparation Tasks 587

Review All the Key Topics 587

Complete the Tables and Lists from Memory 588

Command Reference 588

Part V: Wide-Area Networks 591

Chapter 22 WAN Concepts 593

“Do I Know This Already?” Quiz 593

Foundation Topics 596

WAN Technologies 596

Perspectives on the PSTN 596

Analog Modems 599

Digital Subscriber Line 601

Cable Internet 605

Comparison of Remote-Access Technologies 607

ATM 607

Packet Switching Versus Circuit Switching 609

Ethernet as a WAN Service 609

IP Services for Internet Access 610

Address Assignment on the Internet Access Router 611

Routing for the Internet Access Router 612

NAT and PAT 613

Exam Preparation Tasks 618

Review All the Key Topics 618

Complete the Tables and Lists from Memory 618

Definitions of Key Terms 619

Chapter 23 WAN Configuration 621

“Do I Know This Already?” Quiz 621

Foundation Topics 624

Configuring Point-to-Point WANs 624

Configuring HDLC 624

Configuring PPP 627

Configuring and Troubleshooting Internet Access Routers 628

Internet Access Router: Configuration Steps 629

Internet Access Router Verification 639

Exam Preparation Tasks 642

Review All the Key Topics 642

Complete the Tables and Lists from Memory 642

Definitions of Key Terms 642

Command References 642

Part VI: Final Preparation 645

Chapter 24 Final Preparation 647

Tools for Final Preparation 647

Pearson Cert Practice Test Engine and Questions on the DVD 647

The Cisco Learning Network 650

Subnetting Preparation Tools 650

Scenarios 651

Study Plan 651

Recall the Facts 652

Practice Subnetting 652

Build Troubleshooting Skills Using Scenarios 654

Studying for ICND1 640-822 or CCNA 640-802 654

Summary 655

Part VII: Appendixes 657

Appendix A Answers to the “Do I Know This Already?” Quizzes 659

Appendix B Numeric Reference Tables 681

Appendix C ICND1 Exam Updates: Version 1.0 689

Glossary 693

Part VIII: DVD-Only

Appendix D Practice for Chapter 13: Analyzing Classful IPv4 Networks

Appendix E Practice for Chapter 14: Converting Subnet Masks

Appendix F Practice for Chapter 15: Analyzing Existing Subnet Masks

Appendix G Practice for Chapter 16: Designing Subnet Masks

Appendix H Practice for Chapter 17: Analyzing Existing Subnets

Appendix I Practice for Chapter 18: Finding All Subnet IDs

Appendix J Additional Scenarios

Appendix K Subnetting Video Reference

Appendix L Memory Tables

Appendix M Memory Tables Answer Key

Appendix N ICND1 Open-Ended Questions

TOC, 8/25/2011, 9781587204258

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  • Posted November 12, 2011

    VERY VERY HIGHLY RECOMMENDED!! GET THIS BOOK NOW!!

    Do you need help in trying to pass the ICND1 and CCNA exams? If you do, then this book is for you! Author Wendell Odom, has done an outstanding job of writing the third edition of a book that is designed to make you much more knowledgeable about how to do your job. Author Odom, begins by providing a basic introduction for those who are brand new to networking. Then, the author introduces the terminology surrounding two different networking architectures: TCP/IP and OSI. Next, he covers the concepts and terms used for the most popular option for the data link layer for local-area networks, namely Ethernet. The author also covers the concepts and terms used for the most popular options for the data link layer for wide-area networks, including High-Level Data Link Control, the Point-to-Point Protocol and Frame Relay. He continues by introducing the basics of IP, including IP addressing and routing. Then, the author introduces the basics of TCP and UDP. Next, he shows you how to access, examine, and configure Cisco Catalyst LAN switches. The author also shows you how to configure a variety of switch features, including duplex and speed, port security, securing the CLI, and the switch IP address. He continues by focusing on how to tell if the switch is doing what it is supposed to be doing, mainly through the use of show commands. Then, the author explains the basic operation concepts of wireless LANs, along with addressing some of the most common security concerns. Next, he walks through the entire concept of subnetting, from starting with a Class A, B, or C network, analyzing requirements, making choices, calculating the resulting subnets, assigning those on paper, all in preparation to deploy and use those subnets by configuring the devices. The author also explores all things related to address classes and the IP network concept created by those classes. He continues by showing you how to quickly and easily convert between the formats, so you can practice before having to think more about what the mask does. Then, the author shows you how to look at the mask to discover key facts, like the size of subnet and the number of subnets in the network. Next, he shows you how to find and analyze the subnet in which the that IP address resides, including finding the subnet ID, range of addresses in the subnet, and subnet broadcast address. The author also shows you how to find all of those subnet IDs, given a network number and a single mask used throughout the network. He continues by showing you how to configure IP addresses, static routes, and one routing protocol: RIP Version 2. Then, the author features a scenario that examines the IP packet forwarding process. Next, he covers the concepts of Network Address Translation. The author also focuses on a few small WAN configuration tasks, plus NAT configuration using Cisco Security Device Manager. Finally, he suggests a plan for final preparation once you have finished the core parts of the book, in particular explaining the many study options available in the book. This most excellent book uses several key methodologies to help you discover the exam topics on which you need more review; to help you fully understand and remember those details; and, to help you prove to yourself that you have retained your knowledge of those topics. Perhaps more importantly, this book does not try to help you pass the exams only by memorization, but by truly learning and understanding the topics.

    1 out of 1 people found this review helpful.

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  • Anonymous

    Posted February 20, 2013

    Shimmeringcloud

    Name:Shimmeringcloud. Age:23 moons. Apperance:a cloud white cat with gray eyes. She has shimmers in her pelt and her eyes glitter. Mate:none. Crush:none. Kits:grown up but Rally and Fireball. History:born a loner and later left by mother. She was not adopted and she sadly raised herself. Wishez:to be a warrior. Other:loves fish!!!!! Signiture:**$**

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  • Anonymous

    Posted February 19, 2013

    Warriorheart

    Name: Warriorheart Gender: she Looks: white with silver eyes Age: 17 moons Personality: quiet, mysterous, and very smart Mate: can't Kits: also can't Crush: really can't History: secret Family: was adopted by Thundersnake with her brothers Thornsting and Tigerkit. Tigerkit died mysterously later. Signature: *Warriorheart*

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  • Anonymous

    Posted February 17, 2013

    DOG TO DAWNSTAR

    Or maybe ive been in the camp before.

    0 out of 1 people found this review helpful.

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  • Anonymous

    Posted February 17, 2013

    Skywing

    APPEARANCE• beautiful silver she cat with black flecks. She has three white paws, one black, a white belly and muzzle, with sky blue eyes PERSONALITY• brave, determined, friendly, skilled, loyal, and trustworthy AGE• 13 moons MATE• Blueclaw CRUSH• Blueclaw KITS• Leafkit, Darkkit, and Silverkit HISTORY• rather not talk about it FAMILY• Redpelt- mother Thorntail- father Lilykit- sister SIGNATURE• *•~•Skywing•~•*

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  • Posted April 12, 2012

    In response to the earlier reviewer who commented on the presenc

    In response to the earlier reviewer who commented on the presence of a page of Errata. Yes, I do see it in this 640-822 3rd edition. But it is not really that many corrections. The publisher and author are behaving quite professionally by supplying this to the reader. That reviewer perhaps does not get around too much. Research monographs often come with errata pages.

    As I mentioned in my accompanying review on the companion book to this one, CCNA ICND2 640-816 Official Cert Guide (3rd Edition), the neat novelty here [at least to me!] is the presence of pre-quizzes in each chapter. It is a very nice user-friendly feature, that lets you decide upfront when entering a chapter if you really need to read it. An undoubted response to the hefty sizes of both books. Hopefully other authors of computer texts can follow up and do likewise when they have massive offerings.

    The book has a long discussion about the specifics of IPv4, dealing with matters like subnets and classful networks. Yet no mention of IPv6. The absence is a revealing look at how Odom views the marketplace, or at least how the Cisco exam that the book prepares you for treats that marketplace. What they are saying by omission is that IPv6 is a negligible factor in real networks currently deployed. Quite a contrast to the breathless books of the late 90s that predicted us all being on v6 by now.

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  • Anonymous

    Posted December 22, 2011

    Go Wendel!

    This is a great book belive me! This is what got me my CCENT and CCNA! Get this book!

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  • Anonymous

    Posted February 5, 2012

    No text was provided for this review.

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