Chapter 11. Switching and Virtual LANs (VLANs)

THE FOLLOWING COMPTIA NETWORK+ EXAM OBJECTIVES ARE COVERED IN THIS CHAPTER:

  • 3.3 Explain the advanced features of a switch

    • PoE

    • Spanning tree

    • VLAN

    • Trunking

    • Port mirroring

    • Port authentication

Switching and Virtual LANs (VLANs)

You already know that switching breaks up large collision domains into smaller ones and that a collision domain is a network segment with two or more devices sharing the same bandwidth. A hub network is a typical example of this type of technology. But because each port on a switch is actually its own collision domain, you can create a much better Ethernet LAN network by simply replacing your hubs with switches!

Switches truly ...

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