LAN Switching and Wireless : CCNA Exploration Companion Guide

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  • Edition: 1st
  • Format: Hardcover w/CD
  • Copyright: 2008-01-01
  • Publisher: Cisco Press
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LAN Switching and Wireless CCNA Exploration Companion Guide Wayne Lewis, Ph.D. LAN Switching and Wireless, CCNA Exploration Companion Guideis the official supplemental textbook for the LAN Switching and Wireless course in the Cisco Networking Academy CCNAreg; Exploration curriculum version 4. This course provides a comprehensive approach to learning the technologies and protocols needed to design and implement a converged switched network. The Companion Guide, written and edited by a Networking Academy instructor, is designed as a portable desk reference to use anytime, anywhere. The bookrs"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: Chapter objectives: Review core concepts by answering the questions listed at the beginning of each chapter. Key terms: Refer to the updated lists of networking vocabulary introduced and turn to the highlighted terms in context in each chapter. Glossary: Consult the all-new comprehensive glossary with more than 190 terms. Check Your Understanding questions and answer key: Evaluate your readiness with the updated end-of-chapter questions that match the style of questions you see on the online course quizzes. The answer key explains each answer. Challenge questions and activities: Strive to ace more challenging review questions and activities designed to prepare you for the complex styles of questions you might see on the CCNA exam. The answer key explains each answer. Wayne Lewis is the Cisco Academy Manager for the Pacific Center for Advanced Technology Training (PCATT), based at Honolulu Community College. 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 LAN Switching and Wireless course: LAN Switching and Wireless, CCNA Exploration Labs and Study Guide ISBN-10: 1-58713-202-8 ISBN-13: 978-1-58713-202-5 Companion CD-ROM The CD-ROM provides many useful tools and information to support your education: Packet Tracer Activity exercise files A Guide to Using a Networkerrs"s Journal booklet Taking Notes: A .txt file of the chapter objectives More IT Career Information Tips on Lifelong Learning in Networking This book is part of the Cisco Networking Academy Series from Cisco Pressreg;. Books in this series support and complement the Cisco Networking online curriculum.

Author Biography

Wayne Lewis is the Cisco Academy Manager for the Pacific Center for Advanced Technology Training (PCATT), based at Honolulu Community College (HonCC), and the Legal Main Contact for the CCNA/CCNP/Network Security Cisco Academy Training Center at PCATT/HonCC.

Table of Contents

LAN Designp. 1
Objectivesp. 1
Key Termsp. 1
Switched LAN Architecturep. 2
The Hierarchical Network Modelp. 2
Access Layerp. 2
Distribution Layerp. 3
Core Layerp. 3
A Hierarchical Network in a Medium-Sized Businessp. 4
Benefits of a Hierarchical Networkp. 4
Principles of Hierarchical Network Designp. 6
Network Diameterp. 7
Bandwidth Aggregationp. 8
Redundancyp. 9
What Is a Converged Network?p. 10
Legacy Equipmentp. 10
Advanced Technologyp. 11
New Optionsp. 12
Separate Voice, Video, and Data Networksp. 13
Matching Switches to Specific LAN Functionsp. 15
Considerations for Hierarchical Network Switchesp. 15
Traffic Flow Analysisp. 15
User Community Analysisp. 17
Data Stores and Data Servers Analysisp. 19
Topology Diagramsp. 20
Switch Featuresp. 22
Switch Form Factorsp. 22
Switch Performancep. 24
Power over Ethernet and Layer 3 Functionalityp. 26
Switch Features in a Hierarchical Networkp. 28
Access Layer Switch Featuresp. 28
Distribution Layer Switch Featuresp. 30
Core Layer Switch Featuresp. 31
Switches for Small and Medium Sized Business (SMB)p. 33
Catalyst Express 500p. 33
Catalyst 2960p. 34
Catalyst 3560p. 35
Catalyst 3750p. 36
Catalyst 4500p. 36
Catalyst 4900p. 37
Catalyst 6500p. 38
Comparing Switchesp. 39
Summaryp. 40
Labsp. 40
Check Your Understandingp. 41
Challenge Questions and Activitiesp. 44
Basic Switch Concepts and Configurationp. 45
Objectivesp. 45
Key Termsp. 45
Introduction to Ethernet/802.3 LANsp. 46
Key Elements of Ethernet/802.3 Networksp. 46
CSMA/CDp. 46
Ethernet Communicationsp. 47
Duplex Settingsp. 49
Switch Port Settingsp. 50
Switch MAC Address Tablep. 51
Design Considerations for Ethernet/802.3 Networksp. 52
Bandwidth and Throughputp. 52
Collision Domainsp. 53
Broadcast Domainsp. 54
Network Latencyp. 54
Network Congestionp. 55
LAN Segmentationp. 55
LAN Design Considerationsp. 56
Forwarding Frames Using a Switchp. 58
Switch Forwarding Methodsp. 59
Symmetric and Asymmetric Switchingp. 60
Memory Bufferingp. 60
Layer 2 and Layer 3 Switchingp. 62
Switch Management Configurationp. 63
Navigating Command-Line Interface Modesp. 63
GUI-Based Alternatives to the CLIp. 65
Using the Help Facilityp. 68
Accessing the Command Historyp. 70
Switch Boot Sequencep. 71
Prepare to Configure the Switchp. 72
Basic Switch Configurationp. 72
Management Interfacep. 73
Default Gatewayp. 74
Duplex and Speedp. 75
HTTP Accessp. 76
MAC Address Table Managementp. 77
Verifying Switch Configurationp. 78
Basic Switch Managementp. 80
Backing Up and Restoring Switch Configuration Filesp. 80
Using a TFTP Server with Switch Configuration Filesp. 82
Clearing Switch Configuration Informationp. 84
Configuring Switch Securityp. 85
Configuring Password Optionsp. 85
Securing Console Accessp. 85
Securing Virtual Terminal Accessp. 87
Securing Privileged EXEC Accessp. 88
Encrypting Switch Passwordsp. 89
Password Recoveryp. 90
Login Bannersp. 92
Configure Telnet and SSHp. 93
Configuring Telnetp. 93
Configuring SSHp. 94
Common Security Attacksp. 96
MAC Address Floodingp. 96
Spoofing Attacksp. 100
CDP Attacksp. 101
Telnet Attacksp. 102
Security Toolsp. 103
Configuring Port Securityp. 105
Securing Unused Portsp. 110
Summaryp. 111
Labsp. 111
Check Your Understandingp. 112
Challenge Questions and Activitiesp. 117
VLANsp. 121
Table of Contents provided by Publisher. All Rights Reserved.


Introduction IntroductionThe 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.LAN Switching and Wireless, CCNA Exploration Companion Guideis the official supplement textbook to be used with v4 of the CCNA Exploration LAN Switching and Wireless 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 provide the reader with a thorough understanding of LAN switching and wireless technologies beyond that necessary for the CCNA certification exam. The commands and web-based GUI utilities for configuring LAN switching and wireless are not very difficult. The challenge is to understand the operation of these technologies and protocols and their role in the network.The objective of this book is to explain LAN switching and wireless technologies. Every concept is methodically explained with no assumptions made of the reader's knowledge of LAN switching or wireless technologies. The only exceptions are if a concept is beyond the scope of this course or is covered in CCNP, and then it is noted within the text.Readers are encouraged to peruse the resources managed by Wayne Lewis at cisco.honolulu.hawaii.edu. Please e-mail Wayne Lewis at waynel@hawaii.edu for more information about CCNP and network security instructor training and for access to more resources for this course and other CCNP, IP telephony, QoS, and network security courses. Goal of This BookFirst and foremost, by providing a fresh, complementary perspective on the content, this book is intended to help you learn all the required materials of the LAN Switching and Wireless course in the Networking Academy CCNA Exploration 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 to prepare for the CCNA exam. Audience for This BookThis book's main audience is anyone taking the CCNA Exploration LAN Switching and Wireless 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. Book FeaturesThe 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. Topic CoverageThe 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 r

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