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ptg33750168From the Library of Nick Barnes ptg33750168

From the Library of Nick Barnes

ptg33750168Cisco Press CCNA

200-301

Official

Cert Guide,

Volume 2

WENDELL ODOM

, CCIE No. 1624 EmeritusFrom the Library of Nick Barnes ptg33750168CCNA 200-301 Official Cert Guide, Volume 2

Wendell Odom

Copyright © 2020 Pearson Education, Inc.

Published by: Cisco Press

All rights reserved. No part of this book may be reproduced or transmitt ed in any form or by any means, electronic or mechanical, including photocopying, recording, or by any i nformation storage and retrieval sys- tem, without written permission from the publisher, except for the inclu sion of brief quotations in a review.

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Library of Congress Control Number: 2019949625

ISBN-13: 978-1-58714-713-5

ISBN-10: 1-58714-713-0

Warning and Disclaimer

This book is designed to provide information about the Cisco CCNA 200-30

1 exam. Every effort has

been made to make this book as complete and as accurate as possible, but no warranty or fitness is implied. The information is provided on an "as is" basis. The authors, Cisc o Press, and Cisco Systems, Inc. shall have neither liability nor responsibility to any person or entity with r espect to any loss or damages arising from the information contained in this book or from the use of the discs or programs that may accom- pany it. The opinions expressed in this book belong to the author and are not nec essarily those of Cisco Systems, Inc.

Trademark Acknowledgments

All terms mentioned in this book that are known to be trademarks or serv ice marks have been appropriately capitalized. Cisco Press or Cisco Systems, Inc., cannot attest to the ac curacy of this information. Use of a term in this book should not be regarded as affecting the validity of an y trademark or service mark. Microsoft and/or its respective suppliers make no representations about the suitability of the information contained in the documents and related graphics published as part of the services for any purpose. All such documents and related graphics are provided "as is" without warran ty of any kind. Microsoft and/ or its respective suppliers hereby disclaim all warranties and conditions with regard to this information, including all warranties and conditions of merchantability, whether express, impli ed or statutory, fitness for a particular purpose, title and non-infringement. In no event shall Microsoft and/or its respective suppliers be liable for any special, indirect or consequential damages or any damages whatsoever resulting from loss of use, data or profits, whether in an action of contract, negligence or other tortious action, arising out of or in connection with the use or performance of information available from the services. The documents and related graphics contained herein could include techni cal inaccuracies or typographi- cal errors. Changes are periodically added to the information herein. Mi crosoft and/or its respective sup- pliers may make improvements and/or changes in the product(s) and/or t he program(s) described herein at any time. Partial screenshots may be viewed in full within the softwa re version specified.

Microsoft

and Windows are registered trademarks of the Microsoft Corporation in the U.S.A. an d other countries. Screenshots and icons reprinted with permission from th e Microsoft Corporation. This book is not sponsored or endorsed by or affiliated with the Microsoft Co rporation. ii CCNA 200-301 Official Cert Guide, Volume 2 From the Library of Nick Barnes ptg33750168Special Sales For information about buying this title in bulk quantities, or for speci al sales opportunities (which may include electronic versions; custom cover designs; and content particula r to your business, training goals, marketing focus, or branding interests), please contact our corp orate sales department at corpsales@pearsoned.com or (800) 382-3419. For government sales inquiries, please contact governmentsales@pearsoned .com. For questions about sales outside the U.S., please contact intlcs@pearso n.com.

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We greatly appreciate your assistance.

Editor-in-Chief

: Mark Taub Technical Editor: Elan Beer

Business Operation Manager, Cisco Press

: Ronald Fligge Editorial Assistant: Cindy Teeters

Director, ITP Product Management

: Brett Bartow Cover Designer: Chuti Prasertsith

Managing Editor

: Sandra Schroeder Composition: Tricia Bronkella

Development Editor

: Christopher Cleveland Indexer: Ken Johnson

Senior Project Editor

: Tonya Simpson Proofreader: Debbie Williams

Copy Editor

: Chuck Hutchinson iiiFrom the Library of Nick Barnes ptg33750168About the Author

Wendell Odom

, CCIE No. 1624 Emeritus, 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 study tools. This book is his 29th edition of some product for Pearson, and he is the auth or of all editions of the CCNA Cert Guides about Routing and Switching from Cisco Press. He has written books about topics from networking basics, certification guides througho ut the years for CCENT, CCNA R&S, CCNA DC, CCNP ROUTE, CCNP QoS, and CCIE R&S. He maintains study tools, links to his blogs, and other resources at www.ce rtskills.com.iv CCNA 200-301 Official Cert Guide, Volume 2 From the Library of Nick Barnes ptg33750168About the Contributing Author

David Hucaby

, CCIE No. 4594, CWNE No. 292, is a network engineer for University of Kentucky Healthcare. He has been authoring Cisco Press titles for 20 yea rs, with a focus on wireless and LAN switching topics. David has bachelor of science and master of sci- ence degrees in electrical engineering. He lives in Kentucky with his wi fe, Marci, and two daughters.

About the Technical Reviewer

Elan Beer

, CCIE No. 1837, is a senior consultant and Cisco instructor specializin g in data center architecture and multiprotocol network design. For the past

27 years, Elan

has designed networks and trained thousands of industry experts in data center archi- tecture, routing, and switching. Elan has been instrumental in large-sca le professional service efforts designing and troubleshooting internetworks, performing data center and network audits, and assisting clients with their short- and long-term de sign objectives. Elan has a global perspective of network architectures via his internati onal clientele. Elan has used his expertise to design and troubleshoot data centers and internetworks in Malaysia, North America, Europe, Australia, Africa, China, and the Middl e East. Most recently, Elan has been focused on data center design, configuration, an d troubleshoot- ing as well as service provider technologies. In 1993, Elan was among th e first to obtain the Cisco Certified System Instructor (CCSI) certification, and in 199

6, he was among

the first to attain the Cisco System highest technical certification, th e Cisco Certified Internetworking Expert. Since then, Elan has been involved in numerous l arge-scale data center and telecommunications networking projects worldwide.vFrom the Library of Nick Barnes ptg33750168Acknowledgments Brett Bartow continues to be the backbone of the Cisco Press brand, guid ing the entire author team through the big transition in 2019-2020 with all the changes Cisco in troduced to its certifications.

Simply the best! Thanks for all you do, Brett!

Dave Hucaby teamed up again to write this book, contributing one chapter here to go along with his four chapters in the CCNA Volume 1 book. It"s such a joy to review hi s work and see such polished material from the first draft. It"s been a joy to work with such a co nsummate professional-thanks, Dave! Chris Cleveland developed the book-again-and made it much better- again-and did it with more juggling than ever before, I think. Five months, roughly 50 technology c hapters and another 50 other book elements, and countless online elements, all done with apparent eas e. Kudos to Chris, yet again! I so look forward to reading Elan Beer"s tech edits of the chapters.

That may seem strange to hear, but

Elan has truly amazing technical editing skills. His insights range from the details of technology, to the mind of the new learner, to wording and clarity, to holes in networking logic as compared to the word- ing, to tiny typos that impact the meaning. Thanks again Elan for improv ing the chapters so much! Tonya Simpson managed this book, along with the CCNA Volume 1 book, all in that same compressed timeframe again. As usual, on both projects, Tonya has kept the producti on processes rolling along and getting through the idiosyncrasies of the content. Thanks for shepherdin g the book through the wild again, Tonya! As always, thanks to the production team that works with Tonya. From fix ing all my grammar and passive-voice sentences to pulling the design and layout together, they do it all; thanks for putting it all together and making it look easy. And Tonya got to juggle two books of m ine at the same time (again)- thanks for managing the whole production process again. Mike Tanamachi, illustrator and mind reader, did a great job on the figu res again. Mike came through again with some beautiful finished products. Thanks again, Mike. I could not have made the timeline for this book without Chris Burns of

Certskills Professional. Chris

owns much of the PTP question support and administration process, works on the labs we put on my blog, and then catches anything I need to toss over my shoulder so I can focus on the books. Chris, you are the man! A special thank you to you readers who write in with suggestions and pos sible errors, and especially those of you who post online at the Cisco Learning Network and at my blo g (https://blog.certskills.com). Without question, the comments I receive directly and overhear by partic ipating at CLN made this edi- tion a better book. Thanks to my wonderful wife, Kris, who helps make this sometimes challen ging work lifestyle a breeze. I love walking this journey with you, doll. Thanks to my daughter Hannah, who actually helped a bit with the book this summer before heading off to college (go Jackets!). And thanks to Jesus Christ, Lord of everything in my life. vi CCNA 200-301 Official Cert Guide, Volume 2 From the Library of Nick Barnes ptg33750168Contents at a Glance

Introduction xxvii

Part I IP Access Co ntrol Lists 3

Chapter 1 Intr oduction to TCP/IP Transport and Applications 4

Chapter 2 Basic IP v4 Access Control Lists 24

Chapter 3 Advan

ced IPv4 Access Control Lists 44

Part I Review 64

Part II S ecurity Services 67

Chapter 4 S ecurity Architectures 68

Chapter 5 S ecuring Network Devices 86

Chapter 6 Implementing Swit ch Port Security 106

Chapter 7 Implementing DHCP 122

Chapter 8 DHCP Sno oping and ARP Inspection 144

Part II Review 168

Part III IP S ervices 171

Chapter 9 D evice Management Protocols 172

Chapter 10 Net work Address Translation 202

Chapter 11 Qualit y of Service (QoS) 226

Chapter 12 Mis cellaneous IP Services 254

Part III Review 284

Part IV Net work Architecture 287

Chapter 13 L AN Architecture 288

Chapter 14 W AN Architecture 302

Chapter 15 Cloud Ar chitecture 328

Part IV Review 352

Part V Net work Automation 355

Chapter 16 Intr oduction to Controller-Based Networking 356

Chapter 17 Ci

sco Software-Defined Access (SDA) 382viiFrom the Library of Nick Barnes ptg33750168Chapter 18 Understanding RES T and JSON 406 Chapter 19 Understanding Ansible, Pupp et, and Chef 428

Part V Review 444

Part VI F inal Review 447

Chapter 20 Final R eview 448

Part VII App endixes 467

Appendix A Numeric R eference Tables 469

Appendix B C CNA 200-301, Volume 2 Exam Updates 476 Appendix C Answers t o the "Do I Know This Already?" Quizzes 478

Glossary 494

Index 530

Online Appendixes

Appendix D T opics from Previous Editions

Appendix E Practice for Chapter 2: Basic IPv4 Access Control Lists Appendix F Pr evious Edition ICND1 Chapter 35: Managing IOS Files

Appendix G Exam T opics Cross-Referenceviii CCNA 200-301 Official Cert Guide, Volume 2 From the Library of Nick Barnes

ptg33750168ix

Reader Services

To access additional content for this book, simply register your product . To start the registration process, go to www.ciscopress.com/register and log in or create an accou nt . Enter the product ISBN

9781587147135 and click Submit. After the process is complete, you will

find any available bonus con- tent under Registered Products. *Be sure to check the box that you would like to hear from us to receive exclusive discounts on future editions of this product.From the Library of Nick Barnes ptg33750168Icons Used in This Book

PCLaptopServerIP Phone

RouterSwitch

Cable Modem

Access Point

HubBridge

Network Cloud

Cable (Various)Virtual CircuitSerial LineEthernet WAN

Layer 3 Switch

Wireless

SDN ControllervSwitch

DSLAM ASA

IPSFirewall

Command Syntax Conventions

The conventions used to present command syntax in this book are the same conventions used in the IOS Command Reference. The Command Reference describes these conventions as follows: ■ Boldface indicates commands and keywords that are entered literally as shown. In actual configuration examples and output (not general command syntax boldface indicates commands that are manually input by the user (such a s a show command). ■ Italic indicates arguments for which you supply actual values. ■ Vertical bars (|) separate alternative, mutually exclusive elements. ■ Square brackets ([ ]) indicate an optional element. ■ Braces ({ }) indicate a required choice. ■ Braces within brackets ([{ }]) indicate a required choice within an op tional ele- ment. x CCNA 200-301 Official Cert Guide, Volume 2 From the Library of Nick Barnes ptg33750168xi

Contents

Introduction xxvii

Part I IP Access Control Lists 3

Chapter 1 Introduction to TCP/IP Transport and Applications 4 "Do I Know This Already?" Quiz 4

Foundation Topics 6

TCP/IP Layer 4 Protocols: TCP and UDP 6

Transmission Control Protocol 7

Multiplexing Using TCP Port Numbers 7

Popular TCP/IP Applications 10

Connection Establishment and Termination 12

Error Recovery and Reliability 13

Flow Control Using Windowing 15

User Datagram Protocol 16

TCP/IP Applications 16

Uniform Resource Identifiers 17

Finding the Web Server Using DNS 18

Transferring Files with HTTP 20

How the Receiving Host Identifies the Correct Receiving

Application 21

Chapter Review 22

Chapter 2 Basic IPv4 Access Control Lists 24

"Do I Know This Already?" Quiz 24

Foundation Topics 26

IPv4 Access Control List Basics 26

ACL Location and Direction 26

Matching Packets 27

Taking Action When a Match Occurs 28

Types of IP ACLs 28From the Library of Nick Barnes ptg33750168xii CCNA 200-301 Official Cert Guide, Volume 2

Standard Numbered IPv4 ACLs 29

List Logic with IP ACLs 29

Matching Logic and Command Syntax 31

Matching the Exact IP Address 31

Matching a Subset of the Address with Wildcards 31

Binary Wildcard Masks 33

Finding the Right Wildcard Mask to Match a Subnet 33

Matching Any/All Addresses 34

Implementing Standard IP ACLs 34

Standard Numbered ACL Example 1 35

Standard Numbered ACL Example 2 36

Troubleshooting and Verification Tips 38

Practice Applying Standard IP ACLs 39

Practice Building access-list Commands 39

Reverse Engineering from ACL to Address Range 40

Chapter Review 41

Chapter 3 Advanced IPv4 Access Control Lists 44

"Do I Know This Already?" Quiz 44

Foundation Topics 46

Extended Numbered IP Access Control Lists 46

Matching the Protocol, Source IP, and Destination IP 46

Matching TCP and UDP Port Numbers 48

Extended IP ACL Configuration 51

Extended IP Access Lists: Example 1 51

Extended IP Access Lists: Example 2 53

Practice Building access-list Commands 54

Named ACLs and ACL Editing 54

Named IP Access Lists 54

quotesdbs_dbs17.pdfusesText_23

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