Chapter 3

Routing and Switching

This chapter covers the following exam topics:

  • 4. Infrastructure

    • 4.4. Explain basic routing concepts.

      Default gateway, layer 2 vs. layer 3 switches, local network vs. remote network

    • 4.5. Explain basic switching concepts.

      MAC address tables, MAC address filtering, VLAN (layer 2 network segment)

The address on a physical item must be read by someone (or something), packaging may need to be adjusted, and the package needs to be physically transported to the next stop in the journey toward its destination. Packets, like packages, must also be carried from one place to another in the network.

This chapter begins with the assignment of an interface address to a host. It might not be intuitive, but incorrectly assigned ...

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