ICND 1 Promo - Courseware | Cisco Network Simulator | Topologies .....8 Bus Topology.....9 Ring Topology..... 10 Dual-Ring Topology.....11 ... Module 1: Networking Basics Network Types In this section, we will cover four basic network types: personal area networks (PANs

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  • ICND1 Curriculum 640-822 Interconnecting Cisco Networking Devices Part 1 Version: Beta

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  • Interconnecting Cisco Networking Devices Part 1640-822 Curriculum

  • iv 2012 Boson Software, LLC

    The labs referenced in this book correspond to some of the labs available in the Boson NetSim 8 Network Simulator and have been printed in the Boson Lab Guide, which is available for purchase. To learn more about the Boson NetSim or to purchase and download the software, please visit www.boson.com/netsim-cisco-network-simulator.

    Copyright 2012 Boson Software, LLC. All rights reserved. Boson, Boson NetSim, Boson Network Simulator, and Boson Software are trademarks or registered trademarks of Boson Software, LLC. Catalyst, Cisco, and Cisco IOS are trademarks or registered trademarks of Cisco Systems, Inc. in the United States and certain other countries. Media elements, including images and clip art, are the property of Microsoft. All other trademarks and/or registered trademarks are the property of their respective owners. Any use of a third-party trademark does not constitute a challenge to said mark. Any use of a product name or company name herein does not imply any sponsorship of, recommendation of, endorsement of, or affiliation with Boson, its licensors, licensees, partners, affiliates, and/or publishers.

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    ICND1 Table of Contents

    Module 1: Networking Basics ........................................................................................................1

    Overview .................................................................................................................................................... 2Objectives .................................................................................................................................................. 2Network Types ........................................................................................................................................... 3

    Personal Area Networks...................................................................................................................... 4Local Area Networks ........................................................................................................................... 5Metropolitan Area Networks ................................................................................................................ 6Wide Area Networks ........................................................................................................................... 7

    Network Topologies ................................................................................................................................... 8Bus Topology ....................................................................................................................................... 9Ring Topology.................................................................................................................................... 10Dual-Ring Topology ............................................................................................................................11Star Topology .................................................................................................................................... 12Extended Star Topology .................................................................................................................... 13Full-Mesh Topology ........................................................................................................................... 14Partial-Mesh Topology ...................................................................................................................... 15Physical vs. Logical Topologies ......................................................................................................... 16

    Network Devices .......................................................................................................................................17Hubs .................................................................................................................................................. 18Bridges .............................................................................................................................................. 19Switches ............................................................................................................................................ 20Routers .............................................................................................................................................. 21Servers .............................................................................................................................................. 22Hosts ................................................................................................................................................. 24Printers .............................................................................................................................................. 25

    Physical Media ......................................................................................................................................... 26Copper Cables .................................................................................................................................. 27Connecting UTP with RJ-45 .............................................................................................................. 28Understanding Straight-through and Crossover Cables .................................................................... 30Fiber-Optic Cables ............................................................................................................................ 31Radio Frequency ............................................................................................................................... 32

    Review Question 1 ................................................................................................................................... 33Review Question 2 ................................................................................................................................... 35

    Module 2: Networking Models .....................................................................................................37

    Overview .................................................................................................................................................. 38Objectives ................................................................................................................................................ 38The OSI Model ......................................................................................................................................... 39

    Application Layer ............................................................................................................................... 40Presentation Layer .............................................................................................................................41Session Layer .................................................................................................................................... 42Transport Layer ................................................................................................................................. 43

  • vi 2012 Boson Software, LLC

    ICND1 Table of Contents

    Network Layer ................................................................................................................................... 44Data Link Layer ................................................................................................................................. 45Physical Layer .................................................................................................................................. 46

    Using the OSI Model to Troubleshoot Networks ...................................................................................... 47Understanding the Bottom Up Troubleshooting Technique ............................................................... 47Understanding the Top Down Troubleshooting Technique ................................................................ 47Understanding the Divide and Conquer Troubleshooting Technique ................................................ 48

    TCP/IP Model ........................................................................................................................................... 49Application Layer ............................................................................................................................... 50Transport Layer ..................................................................................................................................51Internet Layer .................................................................................................................................... 52Network Access Layer....................................................................................................................... 53

    Network Model Comparison .................................................................................................................... 54Hierarchical Network Design Model ........................................................................................................ 55

    The Core Layer .................................................................................................................................. 56The Distribution Layer .........................................................................................