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單項(xiàng)選擇題

What will occur when a nonedge switch port that is configured for Rapid Spanning Tree does not receive a BPDU from its neighbor for three consecutive hello time intervals?()

A.RSTP information is automatically aged out.
B.The port sends a TCN to the root bridge.
C.The port moves to listening state.
D.The port becomes a normal spanning tree port.

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