答案解析
Which result occurs when PortFast is enabled on an interface that is connected to another switch?
- A、Root port choice and spanning tree recalculation are accelerated when a switch link goes down.
- B、After spanning tree converges, PortFast shuts down any port that receives PDUs.
- C、VTP is allowed to propagate VLAN configuration information from switch to switch automatically.
- D、Spanning tree may fail to detect a switching loop in the network that causes broadcast storms.
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