11.11. Answers to Review Questions

  1. D. By creating and implementing VLANs in your switched network, you can break up broadcast domains at Layer 2. For hosts on different VLANs to communicate, you must have a router or Layer 3 switch.

  2. B, D. Hosts are connected to a switch and are members of one VLAN. This is called an access port. Trunk links connect between switches and pass information about all VLANs.

  3. C. Virtual LANs break up broadcast domains in Layer 2 switched internetworks.

  4. C, E. 802.1d and 802.1w are both IEEE STP versions, with 802.1w being the latest and greatest version.

  5. D, E. the best answers are that the VLAN membership for the port is configured incorrectly and that STP shut down the port.

  6. B, C, F. VLANs break up broadcast domains in ...

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