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cisco ccnp 642-813 study book

About the Author
David Hucaby, CCIE No. 4594, is a lead network engineer for the University of
Kentucky, where he works with healthcare networks based on the Cisco Catalyst, ASA,
FWSM, and VPN product lines. David has a Bachelor of Science degree and Master of
Science degree in electrical engineering from the University of Kentucky. He is the
author of several Cisco Press titles, including Cisco ASA, PIX, and FWSM Firewall
Handbook, Second Edition; Cisco Firewall Video Mentor; and Cisco LAN
Switching Video Mentor.
David lives in Kentucky with his wife, Marci, and two daughters.
About the Technical Reviewers
Geoff Tagg runs a small U.K. networking company and has worked in the networking
industry for nearly 30 years. Before that, he had 15 years of experience with systems pro-
gramming and management on a wide variety of installations. Geoff has clients ranging
from small local businesses to large multinationals and has combined implementation
with training for most of his working life. Geoff’s main specialties are routing, switching,
and networked storage. He lives in Oxford, England, with his wife, Christine, and family,
and is a visiting professor at nearby Oxford Brookes University.
Sean Wilkins is an accomplished networking consultant and has been in the field of IT
since the mid-1990s, working with companies such as Cisco, Lucent, Verizon, and AT&T
and several other private companies. Sean currently holds certifications with Cisco
( cisco CCNP /CCDP), Microsoft (MCSE), and CompTIA (A+ and Network+). He also has a
Master of Science degree in information technology with a focus in network architecture
and design, a Master’s certificate in network security, a Bachelor of Science degree in
computer networking, and an Associate of Applied Science degree in computer informa-
tion systems. In addition to working as a consultant, Sean spends a lot of his time as a
technical writer and editor for various companies.
vCCNP SWITCH 642-813 Official Certification Guide

Foreword
CCNP SWITCH 642-813 Official Certification Guide is an excellent self-study
resource for the CCNP SWITCH exam. Passing this exam is a crucial step to attaining the
valued CCNP Routing and Switching certification.
Gaining certification in Cisco technology is key to the continuing educational develop-
ment of today’s networking professional. Through certification programs, Cisco validates
the skills and expertise required to effectively manage the modern enterprise network.
Cisco Press Certification Guides and preparation materials offer exceptional—and
flexible—access to the knowledge and information required to stay current in your field
of expertise or to gain new skills. Whether used as a supplement to more traditional
training or as a primary source of learning, these materials offer users the information
and knowledge validation required to gain new understanding and proficiencies.
Developed in conjunction with the Cisco certifications and training team, Cisco Press
books are the only self-study books authorized by Cisco and offer students a series of
exam practice tools and resource materials to help ensure that learners fully grasp the
concepts and information presented.
Additional authorized Cisco instructor-led courses, e-learning, labs, and simulations are
available exclusively from Cisco Learning Solutions Partners worldwide. To learn more,
visit http://www.cisco.com/go/training.
I hope that you find these materials to be an enriching and useful part of your exam
preparation.
Erik Ullanderson
Manager, Global Certifications
Learning@Cisco
January 2010
Introduction: Overview of Certification and How to
Succeed
Professional certifications have been an important part of the computing industry for
many years and will continue to become more important. Many reasons exist for these
certifications, but the most popularly cited reason is that of credibility. All other consid-
erations held equal, the certified employee/consultant/job candidate is considered more
valuable than one who is not.
Objectives and Methods
The most important and somewhat obvious objective of this book is to help you pass the
Cisco CCNP SWITCH exam (Exam 642-813). In fact, if the primary objective of this
book were different, the book’s title would be misleading; however, the methods used in
this book to help you pass the SWITCH exam are designed to also make you much more
knowledgeable about how to do your job. Although this book and the accompanying CD
have many exam preparation tasks and example test questions, the method in which they
are used is not to simply make you memorize as many questions and answers as you
possibly can.
The methodology of this book helps you discover the exam topics about which you need
more review, fully understand and remember exam topic details, and prove to yourself
that you have retained your knowledge of those topics. So this book helps you pass not
by memorization, but by helping you truly learn and understand the topics. The SWITCH
exam is just one of the foundation topics in the CCNP Routing and Switching certifica-
tion, and the knowledge contained within is vitally important to consider yourself a truly
skilled routing and switching engineer or specialist. This book would do you a disservice
if it did not attempt to help you learn the material. To that end, the book can help you
pass the SWITCH exam by using the following methods:
■ Covering all the exam topics and helping you discover which exam topics you have
not mastered
■ Providing explanations and information to fill in your knowledge gaps
■ Supplying exam preparation tasks and example networks with diagrams and sample
configurations that all enhance your ability to recall and deduce the answers to test
questions
■ Providing practice exercises on the exam topics and the testing process through test
questions on the CD
Who Should Read This Book?
This book is not designed to be a general networking topics book, although it can be
used for that purpose. This book is intended to tremendously increase your chances of
passing the Cisco SWITCH exam. Although other objectives can be achieved from using
this book, the book is written with one goal in mind: to help you pass the exam.
The SWITCH exam is primarily based on the content of the Cisco SWITCH course. You
should have either taken the course, read through the SWITCH coursebook or this book,
or have a couple of years of LAN switching experience.
Cisco Certifications and Exams
Cisco offers four levels of routing and switching certification, each with an increasing
level of proficiency: Entry, Associate, Professional, and Expert. These are commonly
known by their acronyms CCENT (Cisco Certified Entry Networking Technician), CCNA
(Cisco Certified Network Associate), CCNP (Cisco Certified Network Professional), and
CCIE (Cisco Certified Internetworking Expert). There are others, too, but this book
focuses on the certifications for enterprise networks.
For the CCNP Routing and Switching certification, you must pass exams on a series of
CCNP topics, including the SWITCH, ROUTE, and TSHOOT exams. For most exams,
Cisco does not publish the scores needed for passing. You need to take the exam to find
that out for yourself.
To see the most current requirements for the CCNP Routing and Switching certification,
go to Cisco.com and click Training and Events. There you can find out other exam details
such as exam topics and how to register for an exam.
The strategy you use to prepare for the SWITCH exam might be slightly different from
strategies used by other readers, mainly based on the skills, knowledge, and experience
you already have obtained. For instance, if you have attended the SWITCH course, you
might take a different approach than someone who learned switching through on-the-job
training. Regardless of the strategy you use or the background you have, this book is
designed to help you get to the point where you can pass the exam with the least amount
of time required.
How This Book Is Organized
Although this book can be read cover to cover, it is designed to be fiexible and allow you
to easily move between chapters and sections of chapters to cover only the material that
you need more work with. The chapters can be covered in any order, although some
chapters are related and build upon each other. If you do intend to read them all, the
order in the book is an excellent sequence to use.
Each core chapter covers a subset of the topics on the CCNP SWITCH exam. The chap-
ters are organized into parts, covering the following topics:
Part I: New CCNP Exam Approaches
■ Chapter 1, “The Planning Tasks of the CCNP Exams”—This chapter explains the
roles of a networking professional in the context of the Cisco Lifecycle Model,
where network tasks form a cycle over time. The CCNP SWITCH exam covers real-
world or practical skills that are necessary as a network is designed, planned, imple-
mented, verified, and tuned.
Part II: Building a Campus Network
■ Chapter 2, “Switch Operation”—This chapter covers Layer 2 and multilayer switch
operation, how various content-addressable memory (CAM) and ternary content-
addressable memory (TCAM) tables are used to make switching decisions, and how
to monitor these tables to aid in troubleshooting.
■ Chapter 3, “Switch Port Configuration”—This chapter covers basic Ethernet con-
cepts, how to use scalable Ethernet, how to connect switch and devices together, and
how to verify switch port operation to aid in troubleshooting.
■ Chapter 4, “VLANs and Trunks”—This chapter covers basic VLAN concepts, how
to transport multiple VLANs over single links, how to configure VLAN trunks, and
how to verify VLAN and trunk operation.
■ Chapter 5, “VLAN Trunking Protocol”—This chapter covers VLAN management
using VTP, VTP configuration, traffic management through VTP pruning, and how
to verify VTP operation.
■ Chapter 6, “Aggregating Switch Links”—This chapter covers switch port aggrega-
tion with EtherChannel, EtherChannel negotiation protocols, EtherChannel configu-
ration, and how to verify EtherChannel operation.
■ Chapter 7, “Traditional Spanning Tree Protocol”—This chapter covers IEEE 802.1D
Spanning Tree Protocol (STP) and gives an overview of the other STP types that
might be running on a switch.
■ Chapter 8, “Spanning-Tree Configuration”—This chapter covers the STP root
bridge, how to customize the STP topology, how to tune STP convergence, redun-
dant link convergence, and how to verify STP operation.
■ Chapter 9, “Protecting the Spanning Tree Protocol Topology”—This chapter
covers protecting the STP topology using Root Guard, BPDU Guard, and Loop
Guard, and also how to use BPDU filtering and how to verify that these STP protec-
tion mechanisms are functioning properly.
■ Chapter 10, “Advanced Spanning Tree Protocol”—This chapter covers Rapid
Spanning Tree Protocol (RSTP) for Rapid PVST+ and Multiple Spanning Tree (MST)
Protocol.
■ Chapter 11, “Multilayer Switching”—This chapter covers interVLAN routing,
multilayer switching with Cisco Express Forwarding (CEF), and how to verify that
multilayer switching is functioning properly.
Part III: Designing Campus Networks
■ Chapter 12, “Enterprise Campus Network Design”—This chapter covers different
campus network models, hierarchical network design, and how to design, size, and
scale a campus network using a modular approach.
■ Chapter 13, “Layer 3 High Availability”—This chapter covers providing redundant
router or gateway addresses on Catalyst switches and verifying that redundancy is
functioning properly.
Part IV: Campus Network Services
■ Chapter 14, “IP Telephony”—This chapter covers how a Catalyst switch can pro-
vide power to operate a Cisco IP Phone, how voice traffic can be carried over the
links between an IP Phone and a Catalyst switch, QoS for voice traffic, and how to
verify that IP Telephony features are functioning properly.
■ Chapter 15, “Integrating Wireless LANs”—This chapter covers different approach-
es to integrating autonomous and lightweight wireless access points into a switched
campus network.
Part V: Securing Switched Networks
■ Chapter 16, “Securing Switch Access”—This chapter covers switch authentication,
authorization, and accounting (AAA); port security using MAC addresses; port-
based security using IEEE 802.1x; DHCP snooping; and dynamic ARP inspection.
■ Chapter 17, “Securing with VLANs”—This chapter covers how to control traffic
within a VLAN using access lists, implementing private VLANs, and monitoring traf-
fic on switch ports for security reasons.
Part VI: Final Exam Preparation
■ Chapter 18, “Final Preparation”—This chapter explains how to use the practice
exam CD to enhance your study, along with a basic study plan.
There is also an appendix that has answers to the “Do I Know This Already” quizzes and
an appendix that tells you how to find any updates should there be changes to the exam.
Each chapter in the book uses several features to help you make the best use of your
time in that chapter. The features are as follows:
■ Assessment—Each chapter begins with a “Do I Know This Already?” quiz that
helps you determine the amount of time you need to spend studying each topic of
the chapter. If you intend to read the entire chapter, you can save the quiz for later
use. Questions are all multiple choice, to give a quick assessment of your knowledge.
■ Foundation Topics—This is the core section of each chapter that explains the proto-
cols, concepts, and configuration for the topics in the chapter.
■ Exam Preparation Tasks—At the end of each chapter, this section collects key top-
ics, references to memory table exercises to be completed as memorization practice,
key terms to define, and a command reference that summarizes relevant commands
presented in the chapter.

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Product Description
Product Description
CCNP SWITCH 642-813

Official Certification Guide

David Hucaby, CCIE® No. 4594

CCNP SWITCH Exam Preparation

Master the CCNP® SWITCH 642-813 exam with this official study guide
Assess your knowledge with chapter-opening quizzes
Review key concepts with Exam Preparation Tasks
Practice with realistic exam questions on the CD-ROM

CCNP SWITCH 642-813 Official Certification Guide is a best-of-breed Cisco® exam study guide that focuses specifically on the objectives for the CCNP® SWITCH exam. Network architect and best-selling author Dave Hucaby shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills. Material is presented in a concise manner, focusing on increasing your understanding and retention of exam topics.

CCNP SWITCH 642-813 Official Certification Guide presents you with an organized test preparation routine through the use of proven series elements and techniques. “Do I Know This Already?” quizzes open each chapter and allow you to decide how much time you need to spend on each section. The complete exam topic list makes referencing easy. Chapter-ending Exam Preparation Tasks sections help drill you on key concepts and commands you must know thoroughly.

The companion CD-ROM contains a powerful testing engine that enables you to focus on individual topic areas or take complete, timed exams. The assessment engine also tracks your performance and provides feedback on a topic-by-topic basis, laying out a complete study plan for review.

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.

CCNP SWITCH 642-813 Official Certification Guide 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.

This official study guide helps you master all the topics on the CCNP SWITCH exam, including

Network design, implementation, and verification plans
Switch operation and port configuration
VLANs, trunks, and VLAN Trunking Protocol (VTP)
Aggregating switch links
Spanning Tree Protocol (STP)
Multilayer switching
Enterprise campus network design
Router and supervisor redundancy
IP telephony
Wireless LANs
Switched network security

This volume is part of the Official Certification 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.

Category: Cisco Press—Cisco Certification

Covers: CCNP SWITCH exam 642-813

From the Back Cover
CCNP SWITCH Official Exam Certification Guide is the first comprehensive self-study tool for the brand-new CCNP SWITCH exam. Its comprehensive coverage — mapped to the sequence of the exam’s objectives – offers all the information and insight you need to succeed on the exam. From start to finish, the book has been organized to improve retention and help network professionals focus on the areas where they need the most assistance. Its features include: ” Pre-chapter “Do I Know This Already” (DIKTA) quizzes that enable you to assess their knowledge of each chapter’s content and decide how much time to spend on each section within that chapter ” Foundation Topics sections that thoroughly explain concepts and theory, and link them to real-world configurations and commands ” Key Topics icons that flag every figure, table, or list which must absolutely be understood and remembered for the exam ” Chapter-ending Exam Preparation sections contain additional exercises Coverage includes: implementing VLAN-based solutions, implementing a security extension of a Layer 2 solution, implementing switch-based Layer 3 services, preparing infrastructures to support wireless, voice, and video, and implementing high availability.

The official Cisco prep guide for the new CCNP® SWITCH exam
With 100 realistic questions on CD, plus pre-chapter quizzes for uncovering weaknesses and targeting study time
Organized to promote retention, and help readers focus effectively on the exam’s content
Covers VLANs, Layer 2 security, Layer 3 services, and wireless, voice, video, and high availability
About the Author
David Hucaby, CCIE No. 4594, is a lead network engineer for the University of Kentucky, where he works with healthcare networks based on the Cisco Catalyst, ASA, FWSM, and VPN product lines. David has a Bachelor of Science degree and Master of Science degree in electrical engineering from the University of Kentucky. He is the author of several Cisco Press titles, including Cisco ASA, PIX, and FWSM Firewall Handbook, Second Edition; Cisco Firewall Video Mentor; and Cisco LAN Switching Video Mentor.

David lives in Kentucky with his wife, Marci, and two daughters.

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