What the first thing should the switch do?

On a network of one department, there are four PCs connected to a switch, as shown in the following figure: After the Switch1 restarts. Host A ( the host on the left ) sends the first frame to Host C (the host on the right). What the first thing should the switch do?

200-125-cisco-certified-network-associate_img_316
A. Switch1 will add 192.168.23.12 to the switching table.
B. Switch1 will add 192.168.23.4 to the switching table.
C. Switch1 will add 000A.8A47.E612 to the switching table.
D. None of the above

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One thought on “What the first thing should the switch do?

  1. This question is tricky and assuming that after the reboot, the switching table would all be flushed, and the switch would then need to re-add each MAC address to the database… but assuming the MAC addresses were all saved in the startup configuration, then I don’t see how a switch reboot would impact the database at all.
    Stupid question.

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