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Cisco Networking Academy's Introduction to Switched Networks

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This chapter begins an examination of the flow of traffic in a modern network. It examines some of the current network design models and the way LAN switches build forwarding tables and use the MAC address information to efficiently switch data between hosts.
This chapter is from the book


Upon completion of this chapter, you will be able to answer the following questions:

  • How do switched networks support small to medium-sized businesses?
  • How has the convergence of data, voice, and video affected switched networks?
  • What benefits are provided by creating networks based on a structured hierarchical design model?
  • What are the two most commonly used Cisco hierarchical design models?
  • What are the layers found in the Cisco hierarchical design model?
  • What switch form factors are available?
  • How do Layer 2 switches build and use a MAC address table to forward data?
  • What is the difference between a collision domain and a broadcast domain?
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