Appendix C. Answers to the “Do I Know This Already?” Quizzes

Chapter 1

1. A. The switch forwarding process considers MAC table entries for one VLAN only. That VLAN is based on the inbound interface, and for an access interface, that VLAN is the access VLAN assigned to the inbound interface. The VLAN is never determined by the outbound interface (F0/2 in this case). The native VLAN could not matter because the inbound interface was not a trunk.

2. C. This command lists the interface state as connected and the VLAN as VLAN 3. Based on these facts, plus that the incoming broadcast came in on VLAN 3, the frame should be forwarded out this port. However, STP may choose to place F0/11 in a blocking state, and that blocking state is not noted in the ...

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