CCNA for Dummies

=> You know how valuable CCNA Certification is to a networking professional's career and
advancement.

=> You re wondering just what CCNA Certification is all about.

=> You think that reading this book may be a fun, entertaining way to learn about the networking and
internetworking with Cisco Systems, Inc. routers and switches.

=> You love all For Dummies books and wait impatiently for each new one to come out.

=> You re a big fan of anything Cisco and just can t get enough of it.

=> Well, if your situation fits any of these scenarios, this is the book for you!

If you're already aware of the CCNA Certification program and you re just looking for an excellent study
aid, you can skip the next few sections of this introduction in which we do our best to convince you that this is
the book you re looking for, mainly because it is (the book, that is). However, if you don t have the foggiest
idea just what CCNA Certification is or how to prepare for it, read on!

Part I: The Basics

Part I provides some general information about taking the exam, an overview of the topic areas you should
study, and a primer of the terms and concepts you must know for the CCNA exam. This includes an overview
of the CCNA exam, its objectives and benefits, how to arrange to take the test, and some general tips on what
to study and how to get ready for the test.


Part II: The OSI Reference Model

Part II provides you with a review of the OSI Reference model and the related fundamentals and background
information you should know for the exam. This includes a look at the four layers of this model that are
emphasized on the test.


Part III: Routers

Part III deals with the heart of the CCNA exam routers. The exam concentrates on routers, their
configuration, commands, and protocols. This may be the most important section of the book, not that the
others are unimportant, but in the sense that the CCNA is actually the routing and switching exam, this part of
the book represents at least half of what you should know.


Part IV: Network Protocols

Part IV has everything you need to know about the internetworking, including the infamous subnetting. Also
included in this part are reviews on network (IP) addressing; the frames, protocols, and functions of TCP/IP;
and security issues of the internetworked environment.


Part V: LANs and WANs

As its name implies, this part of the book covers the concepts and technologies used to organize networked
resources into networks in local areas as well as wide areas. Although not obvious from the name, the use of
switching systems is the focus in this part of the book. The CCNA exam focuses on routing and switching.
This part covers the use of switches in a network and how they can be used to segment a LAN. The link types
that can be used to create a WAN are also covered.


Part VI: The Part of Tens

This section provides additional motivation and study guides to help get you ready for the test, with advice
about how to be sure that you re ready to take the test on Test Day and ten great Web sites where you can
find study aids.


Part VII: Appendixes

This section gives you even more practice test questions, with ten sample test questions on each domain, as
well as information about what s on the CD in the back of this book and how to use the CD.


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