If a switch receives a superior BPDU and goes directly into a blocked state, what mechanism must be in use?
A. root guard
B. EtherChannel guard
C. loop guard
D. BPDU guard
If a switch receives a superior BPDU and goes directly into a blocked state, what mechanism must be in use?
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answerhappygod
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If a switch receives a superior BPDU and goes directly into a blocked state, what mechanism must be in use?
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