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CCNA Wireless Official Exam Certification Guide (CCNA IUWNE 640-721)

CCNA Wireless Official Exam Certification Guide (CCNA IUWNE 640-721)

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by Brandon Carroll

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CCNA Wireless Official Exam Certification Guide

  • Master IUWNE 640-721 exam topics with the 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

CCNA Wireless Official Exam Certification Guide


CCNA Wireless Official Exam Certification Guide

  • Master IUWNE 640-721 exam topics with the 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

CCNA Wireless Official Exam Certification Guide is a best of breed Cisco® exam study guide that focuses specifically on the objectives for the CCNA® Wireless IUWNE exam. Senior instructor Brandon Carroll 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.

CCNA Wireless Official Exam 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. Exam topic lists make referencing easy. Chapter-ending Exam Preparation Tasks sections help you drill on key concepts you must know thoroughly.

The companion CD-ROM contains a powerful testing engine that allows you to focus on individual topic areas or take complete, timed exams. The assessment engine also tracks your performance and provides feedback on a module-by-module basis, presenting question-by-question remediation to the text and 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.

CCNA Wireless Official Exam 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.

Brandon James Carroll is one of the country’s leading instructors for Cisco security technologies, teaching classes that include the CCNA, CCNP®, CCSP® courses, a number of the CCVP® courses, as well as custom-developed courseware. In his eight years with Ascolta, Brandon has developed and taught many private Cisco courses for companies such as Boeing, Intel, and Cisco. He is a CCNA, CCNP, CCSP, and a certified Cisco instructor. Brandon is the author of Cisco Access Control Security.

The official study guide helps you master all the topics on the IUWNE exam, including:

  • WLAN RF principles
  • WLAN technologies and topologies
  • Antennae concepts
  • 802.11 protocols
  • Wireless media access
  • Wired to wireless network packet delivery
  • Cisco Unified Wireless Networks basic architecture
  • Controller discovery, association, and configuration
  • Adding mobility with roaming
  • Migrating standalone AP to LWAPP
  • Mobility Express architecture
  • Wireless clients
  • Installing and configuring the WCS
  • Securing, maintaining, and troubleshooting wireless networks

Companion CD-ROM

The CD-ROM contains an electronic copy of the book and more than 150 practice questions for the IUWNE exam.

This volume is part of the Exam 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: IUWNE exam 640-721

Product Details

Cisco Press
Publication date:
Exam Certification Guide
Product dimensions:
7.60(w) x 9.20(h) x 1.40(d)

Read an Excerpt

CCNA Wireless Official Exam Certification GuideCCNA Wireless Official Exam Certification GuideIntroduction

Welcome to the world of Cisco Certified Network Associate (CCNA) Wireless! As technology continues to evolve, wireless technologies are finding their way to the forefront. This clearly indicates the progression from a fixed wired type of connectivity to a more fluid, mobile workforce that can work when, where, and how they want. Regardless of your background, one of the primary goals of the new CCNA Wireless certification is to introduce you to the Cisco Unified Wireless Network (CUWN).

In June 2008, Cisco announced new CCNA specialties, including CCNA Security, CCNA Wireless, and CCNA Voice. These certifications, released 10 years after the initial CCNA, represent the growth of Cisco into new and emerging industries. Certification candidates can now specialize into specific areas of study. Figure I-1 shows the basic organization of the certifications and exams used to achieve your CCNA Wireless certification.

Figure I-1 Cisco Certifications and CCNA Wireless Certification Path

As you can see from the figure, a traditional CCNA certification is a prerequisite before you venture into the CCNA Wireless certification.

Goals and Methods

The most important and somewhat obvious goal of this book is to help you pass the Implementing Cisco Unified Wireless Networking Essentials (IUWNE) exam (640-721). In fact, if the primary objective of this book were different, the book title would be misleading; however, the methods used in this book to help you pass the IUWNE exam are designed to also make you much more knowledgeable about how to do your job.

This book uses several key methodologies to help you discover the exam topics that you need to review in more depth so that you can fully understand and remember those details and prove to yourself that you have retained your knowledge of those topics. This book does not try to help you pass by memorization but helps you truly learn and understand the topics. The CCNA Wireless exam is the foundation for Cisco professional certifications to come, and it would be a disservice to you if this book did not help you truly learn the material. Therefore, this book will help you pass the CCNA Wireless exam by using the following methods:

  • Helping you discover which test topics you have not mastered

  • Providing explanations and information to fill in your knowledge gaps

  • Supplying exercises and scenarios that enhance your ability to recall and deduce the answers to test questions

  • Providing practice exercises on the topics and the testing process via test questions on the CD

    In addition, this book uses quite a different style from typical certification-preparation books. The newer Cisco certification exams have adopted a style of testing that essentially says, "If you do not know how to do it, you will not pass this exam." This means that most of the questions on the certification exam require you to deduce the answer through reasoning or configuration rather than just memorization of facts, figures, or syntax from a book. To accommodate this newer testing style, I have written this book as a "real-world" explanation of Cisco wireless topics. Whenever possible, key concepts are explained using real-world examples rather than showing tables full of syntax options and explanations, which are freely available at Cisco.com. As you read through this book, you will definitely get a feeling of, "This is how I can do this" rather than, "There is the general syntax I need to memorize," which is exactly what you need for the newer Cisco exams.

    Who Should Read This Book?

    This book is designed to provide a twofold purpose. The primary purpose is to tremendously increase your chances of passing the CCNA Wireless certification exam. The secondary purpose is to provide the information necessary to deploy a CUWN and a Cisco Mobility Express (CME) network as part of the Smart Business Communications System (SBCS). The new Cisco exam approach provides an avenue to write the book with both a real-world and certification-study approach at the same time. As you read through this book and study the configuration examples and exam tips, you will truly understand how you can deploy a wireless network, while at the same time feel equipped to pass the CCNA Wireless certification exam.

    Strategies for Exam Preparation

    Strategies for exam preparation will vary depending on your existing skills, knowledge, and equipment available. Of course, the ideal exam preparation would consist of building a small wireless lab with a 2106 wireless LAN controller and an 1131AP, as well as a Cisco Mobility Express (CME) 526 controller and 521 AP. You would also need a switch and a few wireless clients so that you could work through configurations as you read through this book. However, not everyone has access to this equipment, so the next best step you can take is to read through the chapters in this book, jotting notes down with key concepts or configurations on a separate notepad. Each chapter begins with a "Do I Know This Already?" quiz designed to give you a good idea of the chapter content. In some cases, you might already know most of or all the information covered in a given chapter.

    After you have read this book, look at the current exam objectives for the CCNA Wireless exam listed on the Cisco website (http://www.cisco.com/certification). If you see areas shown in the certification exam outline that you would still like to study, find those sections in the book and review them. When you feel confident in your skills, attempt the practice exam included on the book CD. As you work through the practice exam, note the areas where you lack confidence, and review those concepts or configurations in the book. After you have reviewed the areas, work through the practice exam a second time and rate your skills. Keep in mind that the more you work through the practice exam, the more familiar the questions will become and the less accurate the practice exam will measure your skills. After you have worked through the practice exam a second time and feel confident with your skills, schedule the real IUWNE (640-721) exam through VUE (http://www.vue.com). You should typically take the exam within a week from when you consider yourself ready to take it so the information is fresh in your mind.

    Cisco exams are difficult. Even if you have a solid grasp of the information, many other factors play into the testing environment (stress, time constraints, and so on). If you pass the exam on the first attempt, fantastic! If not, know that this is happens to many people. The next time you attempt the exam, you have a major advantage: You have experienced the exam firsthand. Although future exams might have different questions, the topics and general "feel" of the exam will remain the same. Take some time to study areas from the book where you felt weak on the exam. You must wait a certain period between attempts, so use that time to make yourself more prepared in the areas in which you scored low.

    640-721 IUWNE Exam Topics

    Table I-1 lists the exam topics for the 640-721 IUWNE exam. This table also lists the book parts where each exam topic is covered.

    Table I-1 Exam Topics for 640-721 IUWNE Exam

    How This Book Is Organized

    Although you can read this book cover to cover, it is designed to be flexible and allow you to easily move between chapters and sections of chapters to cover just the material that you need more work with. If you do intend to read all the chapters, the order in the book is an excellent sequence to use.

    Part I, "Wireless LAN Fundamentals," consists of Chapters 1 through 9, which cover the following topics:

  • Chapter 1, "Introduction to Wireless Networking Concepts": This chapter discusses the basics of wireless networking along with some of the challenges you may face. It is intended to be an introductory chapter to what you will be covering in chapters to come.

  • Chapter 2, "Standards Bodies": This chapter focuses primarily on the standards bodies involved in wireless technology.

  • Chapter 3, "WLAN RF Principles": This chapter discusses WLAN transmissions along with some of the influences on WLAN transmissions. You will also learn how to determine your signal strength and determine what may be influencing your wireless deployment.

  • Chapter 4, "WLAN Technologies and Topologies": This chapter covers the various wireless topologies that you may come across, from Wireless Personal Area Networks (WPAN) to wireless LANs (WLAN). It also offers a further look at 802.11 topologies, including Ad-hoc mode and Infrastructure mode. In addition, you get a look at roaming and some vendor-specific topologies.

  • Chapter 5, "Antennae Communications": This chapter focuses on antennas. It covers everything from how antennas work to how they are regulated. It even discusses the different types of antennas that Cisco offers.

  • Chapter 6, "Overview of the 802.11 WLAN Protocols": This chapter examines each of the 802.11 protocols, including 802.11a, 802.11b. 802.11g, and even 802.11n.

  • Chapter 7, "Wireless Traffic Flow and AP Discovery": This chapter disusses how traffic flows in a wireless network and shows you the various headers and communications. You will also learn how a client discovers an AP.

  • Chapter 8, "Additional Wireless Technologies": This chapter takes into account the other wireless technologies that are seen in the market today, including Bluetooth, ZigBee, and WiMax.

  • Chapter 9, "Delivering Packets from the Wireless to Wired Network": This chapter dives into the flow of a packet. You will actually experience the journey of a packet as it travels from the wireless to the wired network.

    Part II, "Cisco Wireless LANs," which focuses primarily on configuration and consists of Chapters 10 through 16, covers the following topics:

  • Chapter 10, "Cisco Wireless Networks Architecture": This chapter discusses the CUWN architecutre and the devices involved.

  • Chapter 11, "Controller Discovery and Association": In this chapter, you will learn how an AP discovers a controller and associates with it. You will also learn what steps to take to provide controller redundancy.

  • Chapter 12, "Adding Mobility with Roaming": This chapter discusses how clients roam, how the controllers are configured to support roaming, and all that is involved in asymmetric roaming, symmetric roaming, and mobility anchors.

  • Chapter 13, "Simple Network Configuration and Monitoring with the Cisco Controller": This chapter is your first configuration chapter that gets into allowing client access. In this chapter, you will learn how to build a WLAN with open authentication.

  • Chapter 14, "Migrating Standalone APs to LWAPP": This chapter discusses the process of migrating a standalone AP to LWAPP using various tools.

  • Chapter 15, "Cisco Mobility Express": This chapter discusses the Mobility Express solution for small environments. In this chapter, you will learn how to configure the Cisco 526 controller and 521 AP.

  • Chapter 16, "Wireless Clients": This chapter discusses the Windows wireless clients with the Wireless Zero Configuration utility, the Apple Airport utility, and the Linux Network Configuration utility. You will also learn how to set up the Aironet Desktop Utility (ADU) and the Cisco Secure Services Client (CSSC). Finally, you will learn about the Cisco Compatible Extensions Program (CCX).

    Part III, "WLAN Maintenance and Administration," which consists of Chapters 17 through 20, covers the following topics:

  • Chapter 17, "Securing the Wireless Network": This chapter discusses the various methods of securing wireless networks. This chapter covers the many EAP methods, 802,.1x, Wired Equivalent Privacy (WEP), and Wi-Fi Protected Access (WPA)/WPA2.

  • Chapter 18, "Enterprise Wireless Management with the WCS and the Location Appliance": This chapter introduces the Wireless Control System (WCS) that can be used to manage large depolyments with many controllers.

  • Chapter 19, "Maintaining Wireless Networks": This chapter discusses the management side of things. Here you learn how to perform mainentance tasks, including upgrades.

  • Chapter 20, "Troubleshooting Wireless Networks": This chapter discusses troubleshooting techniques for wireless networks using the various tools that are available. You will learn to use the command-line interface (CLI) of the controller as well as the WCS.

    In addition to the 20 main chapters, this book includes tools to help you verify that you are prepared to take the exam. Chapter 21, "Final Preparation," includes guidelines that you can follow in the final days before the exam. Appendix A, "Answers to the 'Do I Know This Already?' Quizzes," will help you verify your knowledge based on the self-assessment quizzes at the beginning of each chapter. The Glossary helps to navigate you through the many terms associated with wireless networking. Also, the CD-ROM includes quiz questions and memory tables (refer to Appendix B and C on the CD-ROM) that you can work through to verify your knowledge of the subject matter.

    © Copyright Pearson Education. All rights reserved.

  • Book Part(s) Where Topic Is Covered

    Exam Topic

    Describe WLAN fundamentals

    Part I

    Describe basics of spread spectrum technology (modulation, DSS, OFDM, MIMO, Channels reuse and overlap, Rate-shifting, CSMA/CA)

    Part I

    Describe the impact of various wireless technologies (Bluetooth, WiMAX, ZigBee, cordless phone)

    Part I

    Describe wireless regulatory bodies, standards and certifications (FCC, ETSI, 802.11a/b/g/n, WiFi Alliance)

    Part I

    Describe WLAN RF principles (antenna types, RF gain/loss, EIRP, refraction, reflection, ETC)

    Part I

    Describe networking technologies used in wireless (SSID —> WLAN_ID —> Interface — >VLAN, 802.1Q trunking)

    Part I

    Describe wireless topologies (IBSS, BSS, ESS, Point-to-Point, Point-to-Multipoint, basic Mesh, bridging)

    Part III

    Describe 802.11 authentication and encryption methods (Open, Shared, 802.1X, EAP, TKIP, AES)

    Part I

    Describe frame types (associated/unassociated, management, control, data)

    Install a basic Cisco wireless LAN

    Part II

    Describe the basics of the Cisco Unified Wireless Network architecture (Split MAC, LWAPP, stand-alone AP versus controller-based AP, specific hardware examples)

    Part II

    Describe the Cisco Mobility Express Wireless architecture (Smart Business Communication System — SBCS, Cisco Config Agent — CCA, 526WLC, 521AP - stand-alone and controller-based)

    Part II

    Describe the modes of controller-based AP deployment (local, monitor, HREAP, sniffer, rogue detector, bridge)

    Part II

    Describe controller-based AP discovery and association (OTAP, DHCP, DNS, Master-Controller, Primary-Secondary-Tertiary, n+1 redundancy)

    Part II

    Describe roaming (Layer 2 and Layer 3, intra-controller and inter-controller, mobility groups)

    Part II

    Configure a WLAN controller and access points WLC: ports, interfaces, WLANs, NTP, CLI and Web UI, CLI wizard, LAG AP: Channel, Power

    Part II

    Configure the basics of a stand-alone access point (no lab) (Express setup, basic security)

    Part II

    Describe RRM

    Install Wireless Clients

    Part II

    Describe client OS WLAN configuration (Windows, Apple, and Linux.)

    Part II

    Install Cisco ADU

    Part II

    Describe basic CSSC

    Part II

    Describe CCX versions 1 through 5

    Implement basic WLAN Security

    Part III

    Describe the general framework of wireless security and security components (authentication, encryption, MFP, IPS)

    Part III

    Describe and configure authentication methods (Guest, PSK, 802.1X, WPA/WPA2 with EAP- TLS, EAP-FAST, PEAP, LEAP)

    Part III

    Describe and configure encryption methods (WPA/WPA2 with TKIP, AES)

    Part III

    Describe and configure the different sources of authentication (PSK, EAP-local or -external, Radius)

    Operate basic WCS

    Part III

    Describe key features of WCS and Navigator (versions and licensing)

    Part III

    Install/upgrade WCS and configure basic administration parameters (ports, O/S version, strong passwords, service vs. application)

    Part III

    Configure controllers and APs (using the Configuration tab not templates)

    Part III

    Configure and use maps in the WCS (add campus, building, floor, maps, position AP)

    Part III

    Use the WCS monitor tab and alarm summary to verify the WLAN operations

    Conduct basic WLAN Maintenance and Troubleshooting

    Part III

    Identify basic WLAN troubleshooting methods for controllers, access points, and clients methodologies

    Part III

    Describe basic RF deployment considerations related to site survey design of data or VoWLAN applications, Common RF interference sources such as devices, building material, AP location Basic RF site survey design related to channel reuse, signal strength, cell overlap

    Part III

    Describe the use of WLC show, debug and logging

    Part III

    Describe the use of the WCS client troubleshooting tool

    Part III

    Transfer WLC config and O/S using maintenance tools and commands

    Part III

    Describe and differentiate WLC WLAN management access methods (console port, CLI, telnet, ssh, http, https, wired versus wireless management)

  • Meet the Author

    Brandon James Carroll, CCNA, CCNP, CCSP, is one of the leading instructors for Cisco security technologies in the country, teaching classes that include the CCNA, CCNP, and CCSP courses, numerous CCVP courses, and custom developed courseware.

    In his eight years with Ascolta, Brandon has developed and taught many private Cisco courses for companies such as Boeing, Intel, and Cisco. He is a certified Cisco instructor and the author of Cisco Access Control Security, in addition to several Quick Reference Sheets. Prior to becoming a technical instructor for Ascolta, Brandon was a technician and an ADSL specialist for GTE Network Services and Verizon Communications. His duties involved ISP router support and network design. As a lead engineer, he tested and maintained Frame Relay connections between Lucent B-STDX and Cisco routers. His team was in charge of troubleshooting ISP Frame Relay to ATM cut-overs for ADSL customers. Brandon trained new employees at Verizon to the EPG in ADSL testing and troubleshooting procedures and managed a Tekwizard database for technical information and troubleshooting

    techniques. He majored in information technology at St. Leo University.

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