The customer’s LAN switch SWA is dual-uplinked to switch SWB and switch SWC, and link reliability is guaranteed by Smart Link. If the MAC address of switch SWA is 000f-e269-42d1, the MAC address of switch SWB is 000f-e269-42d2, and the MAC address of switch SWC is 000f-e269-42d3, what can we learn from the above information?

The customer’s LAN switch SWA is dual-uplinked to switch SWB and switch SWC, and link reliability is guaranteed by Smart Link. If the MAC address of switch SWA is 000f-e269-42d1, the MAC address of switch SWB is 000f-e269-42d2, and the MAC address of switch SWC is 000f-e269-42d3, what can we learn from the above information?
A . When the line connecting switch SWA to switch SWB fails, the destination mac of the Flush message sent by switch SWA is 000f-e269-42d1
B . When the line connecting switch SWA to switch SWB fails, the destination mac of the Flush message sent by switch SWA is 000f-e269-42d2
C . When the line connecting switch SWA to switch SWB fails, the destination mac of the Flush message sent by switch SWA is 000f-e269-42d3
D . None of the above answers are correct

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Answer: D