CCENT Question: LAN Switching Logic
Today’s post is a #CCENT question about the basics of LAN switching. It has a similar slant to some of the recent questions here in the blog, but focused on layer 2. I’ll post the answer and explanation in a few days. Ask questions and discuss if you like. Enjoy!
The figure shows a small enterprise network. The switches all have default configuration, unless otherwise noted in the question. The PCs have been configured, as well as the routers, so that it is possible for all hosts to ping each other. That also means that all the cabling shown in the figure works, and all interfaces are up.
On the left side of the figure, all switch interfaces default to be in the same VLAN (VLAN 1). Similarly, on the right, all devices sit in the same VLAN (VLAN 2).
Use the information above when answering the following question:
Switch SW1 receives an Ethernet frame from host A. SW1 and have SW2 have all default configuration, and they have not learned any dynamic entries for any tables yet. Which of the following are true statements about interfaces out which this Ethernet frame will be forwarded?
A. SW1 F0/1
B. SW1 F0/2
C. SW1 G0/1
D. SW1 G0/2
E. SW2 F0/9
F. R1 S0/0/0