Accessing the WAN
CCNA Exploration Companion Guide
Accessing the WAN, CCNA Exploration Companion Guide is the official supplemental textbook for the Accessing the WAN course in the Cisco Networking Academy CCNA Exploration curriculum version 4. This course discusses the WAN technologies and network services required by converged applications in enterprise networks. The Companion Guide, written and edited by Networking Academy instructors, is designed as a portable desk reference to use anytime, anywhere. The book’s features reinforce the material in the course to help you focus on important concepts and organize your study time for exams.
New and improved features help you study and succeed in this course:
Bob Vachon is the coordinator of the Computer Systems Technology program and teaches networking infrastructure courses at Cambrian College in Sudbury, Ontario, Canada. Bob has worked and taught in the computer networking and information technology field for 25 years and is a scholar graduate of Cambrian College.
Rick Graziani teaches computer science and computer networking courses at Cabrillo College in Aptos, California. Rick has worked and taught in the computer networking and information technology field for 30 years.
How To: Look for this icon to study the steps that you need to learn to perform certain tasks.
Packet Tracer Activities: Explore networking concepts in activities interspersed throughout some chapters using
Packet Tracer v4.1 developed by Cisco. The files for these activities are on the accompanying CD-ROM.
Also available for the Accessing the WAN Course
Accessing the WAN,
Labs and Study Guide
The CD-ROM provides many useful tools and information to support your education:
Packet Tracer Activity exercise files
This book is part of the Cisco Networking Academy Series from Cisco Press. The products in this series support and complement the Cisco Networking Academy online curriculum.
"synopsis" may belong to another edition of this title.
Bob Vachon is the coordinator of the Computer Systems Technology program at Cambrian College in Sudbury, Ontario, Canada, where he teaches networking infrastructure courses.
He has worked and taught in the computer networking and information technology field since 1984. He is a scholar graduate of Cambrian College, and he received the prestigious
Teaching Excellence Award in 1997. Vachon has been a Cisco Networking Academy instructor since 1999 and has been CCNP certified since 2002. He has worked with Cisco
as team lead, author, CCNP certification assessment developer, and subject matter expert on a variety of projects, including CCNA, CCNP, and global partner training courses. He
enjoys playing the guitar and being outdoors, either working in his gardens or white-water canoe tripping.
Rick Graziani teaches computer science and computer networking courses at Cabrillo College in Aptos, California. He has worked and taught in the computer networking and
information technology fields for almost 30 years. Before that, he worked in IT for various companies, including Santa Cruz Operation, Tandem Computers, and Lockheed Missiles
and Space Corporation. He holds an M.A. in computer science and systems theory from California State University Monterey Bay. Graziani also does consulting work for Cisco and
other companies. When he is not working, he is most likely surfing. He is an avid surfer who enjoys longboarding at his favorite Santa Cruz surf breaks.Excerpt. © Reprinted by permission. All rights reserved.:
The Cisco Networking Academy is a comprehensive e-learning program that provides students with Internet technology skills. A Networking Academy delivers web-based content, online assessment, student performance tracking, and hands-on labs to prepare students for industry-standard certifications. The CCNA curriculum includes four courses oriented around the topics on the Cisco Certified Network Associate (CCNA) certification.
Accessing the WAN, CCNA Exploration Companion Guide is the official supplement textbook to be used with version 4 of the CCNA Exploration Accessing the WAN online curriculum of the Networking Academy.
This book goes beyond earlier editions of the Cisco Press Companion Guides by providing many alternative explanations and examples as compared with the course. You can use the online curriculum as normal and use this Companion Guide to help solidify your understanding of all the topics through the alternative examples.
The basis for this book as well as the online curriculum is to help you understand several WAN technologies, including PPP and Frame Relay, and related topics, such as access control lists and Network Address Translation. This book also introduces other WAN technologies, such as DSL, cable modems, and Virtual Private Networks (VPNs).
Goals of This Book
First and foremost, by providing a fresh, complementary perspective on the topics, this book is intended to help you learn all the required materials of the Exploration Accessing the WAN course in the Networking Academy CCNA curriculum. As a secondary goal, the text is intended as a mobile replacement for the online curriculum for individuals who do not always have Internet access. In those cases, you can instead read the appropriate sections of the book, as directed by your instructor, and learn the same material that is covered in the online curriculum. Another secondary goal is to serve as your offline study material and help you prepare for the CCNA exam.
Audience for This Book
This book's main audience is anyone taking the CCNA Exploration Accessing the WAN course of the Cisco Networking Academy curriculum. Many Academies use this textbook as a required tool in the course, and other Academies recommend the Companion Guides as an additional source of study and practice materials.
The secondary audience for this book includes people taking CCNA-related classes from professional training organizations. This book can also be used for college- and university-level networking courses, as well as by anyone who wants to gain a detailed understanding of wide-area networks.
The educational features of this book focus on supporting topic coverage, readability, and practice of the course material to facilitate your full understanding of the course material.
The following features give you a thorough overview of the topics covered in each chapter so that you can make constructive use of your study time:
Objectives: Listed at the beginning of each chapter, the objectives reference the core concepts covered in the chapter. The objectives match the objectives stated in the corresponding chapters of the online curriculum. However, the question format in the Companion Guide encourages you to think about finding the answers as you read the chapter.
"How-to" feature: When this book covers a set of steps that you need to perform for certain tasks, this book lists the steps as a how-to list. When you are studying, the How To icon helps you easily find this feature as you skim through the book.
Notes, tips, cautions, and warnings: These are sidebars that point out interesting facts, time-saving methods, and important safety issues.
Chapter summaries: At the end of each chapter is a summary of the chapter's key concepts. It provides a synopsis of the chapter and serves as a study aid.
The authors have compiled, edited, and in some cases rewritten the material so that it has a more conversational tone that follows a consistent and accessible reading level. In addition, the following features have been updated to aid your understanding of the networking vocabulary:
Key terms: Each chapter begins with a list of key terms, along with a page number reference. The terms are listed in the order in which they are explained in the chapter. This handy reference allows you to see a term, flip to the page where it appears, and see it used in context. The glossary defines all the key terms.
Glossary: This book contains an all-new glossary with more than 240 terms.
Practice makes perfect. This new Companion Guide offers you ample opportunities to put what you learn into practice. You will find the following features valuable and effective in reinforcing the instruction that you receive:
Check Your Understanding questions and answer key: Updated review questions are presented at the end of each chapter as a self-assessment tool. These questions match the style of questions that you see in the online course. The appendix, "Check Your Understanding and Challenge Questions Answer Key," provides the answers to all the questions and includes an explanation of each answer.
(New) Challenge questions and activities: Additional—and more challenging—review questions and activities are presented at the end of each chapter. These questions are designed to be similar to the more complex styles of questions you might see on the CCNA exam. This section might also include activities to help prepare you for the exams. Appendix A provides the answers.
Packet Tracer activities: Interspersed throughout the chapters, you'll find many opportunities to work with the Cisco Packet Tracer tool. Packet Tracer allows you to create networks, visualize how packets flow in the network, and use basic testing tools to determine whether the network would work. When you see this icon, you can use Packet Tracer with the listed file to perform a task suggested in this book. The activity files are available on this book's CD-ROM; Packet Tracer software is available through the Academy Connection website. Ask your instructor for access to Packet Tracer.
Labs and Study Guide
The supplementary book Accessing the WAN, CCNA Exploration Labs and Study Guide by Cisco Press (ISBN: 1-58713-201-x) contains all the labs from the curriculum plus additional challenge labs and study guide material. The end of each chapter of this Companion Guide indicates with icons what labs, activities, and Packet Tracer activities are available in the Labs and Study Guide.
Lab references: This icon notes the hands-on labs created for this chapter in the online curriculum. In Accessing the WAN, CCNA Exploration Labs and Study Guide you will also find additional labs and study guide material created by the author of that book.
(New) Packet Tracer Companion activities: Many of the hands-on labs include Packet Tracer Companion activities, where you can use Packet Tracer to complete a simulation of the lab. Look for this icon in Accessing the WAN, CCNA Exploration Labs and Study Guide for hands-on labs that have a Packet Tracer Companion.
(New) Packet Tracer Skills Integration Challenge activities: These activities require you to pull together several skills you learned from the chapter to successfully complete one comprehensive exercise. Look for this icon in Accessing the WAN, CCNA Exploration Labs and Study Guide for instructions on how to perform the Packet Tracer Skills Integration Challenge for this chapter.
A Word About Packet Tracer Software and Activities
Packet Tracer is a self-paced, visual, interactive teaching and learning tool developed by Cisco. Lab activities are an important part of networking education. However, lab equipment can be a scarce resource. Packet Tracer provides a visual simulation of equipment and network processes to offset the challenge of limited equipment. Students can spend as much time as they like completing standard lab exercises through Packet Tracer, and they have the option to work from home. Although Packet Tracer is not a substitute for real equipment, it allows students to practice using a command-line interface. This "e-doing" capability is a fundamental component of learning how to configure routers and switches from the command line.
Packet Tracer version 4.x is available only to Cisco Networking Academies through the Academy Connection website. Ask your instructor for access to Packet Tracer.
The course essentially includes three different types of Packet Tracer activities. This book uses icons to indicate which type of Packet Tracer activity is available. The icons are intended to give you a sense of the activity's purpose and the amount of time you'll need to complete it. The three types of Packet Tracer activities are as follows:
Packet Tracer Activity: This icon identifies straightforward exercises interspersed throughout the chapters, where you can practice or visualize a specific topic. The activity files for these exercises are available on the book's CD-ROM. These activities take less time to complete than the Packet Tracer Companion and Challenge activities.
Packet Tracer Companion: This icon identifies exercises that correspond to the course's hands-on labs. You can use Packet Tracer to complete a simulation of the hands-on lab or complete a similar "lab." The Companion Guide points these out at the end of each chapter, but look for this icon and the associated exercise file in Accessing the WAN, CCNA Exploration Labs and S...
"About this title" may belong to another edition of this title.
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