CCNA Advanced Switching
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1. Three switches (S1, S2 and S3) are interconnected. S1 has a MAC address of 11-11-11-11-11-11, S2 has a MAC address of 22-22-22-22-22-22, and S3 has a MAC address of 33-33-33-33-33-33. Which switch will be elected as the spanning-tree root bridge (assume that the switches are configured with their default priority values):
None of them