Which command enhances the 802.1D convergence time on ports that are connected to hosts?（）
- A、spanning-tree backbonefast
- B、spanning-tree uplinkfast
- C、spanning-tree portfast
- D、spanning-tree cost512
正确答案:C
答案解析:有
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Which command enhances the 802.1D convergence time on ports that are connected to hosts?（）
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