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CompTIA Network+ N10-005 Authorized Cert Guide by Kevin Wallace

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Chapter 4. Understanding Ethernet

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

• What are the characteristics of Ethernet networks, in terms of media access, collisions domains, broadcast domains, and distance/speed limitations of various Ethernet standards?

• What functions are performed by Ethernet switch features, such as VLANs, trunks, Spanning Tree Protocol, link aggregation, Power over Ethernet, port monitoring, user authentication, and first-hop redundancy?

Odds are, when you are working with local-area networks (LAN), you are working with Ethernet as the Layer 1 technology. Back in the mid 1990s, there was tremendous competition between technologies such as Ethernet, Token Ring, and Fiber Distributed ...

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