单项选择题
A.802.2ad B.802.3ad C.802.1ad D.802.3ab
A.ruijie(config)#spanning-treecost 30 B.ruijie(config-if-fastethernet0/1)#spanning-tree cost 30 C.ruijie(config)#spanning-tree priority 30 D.ruijie(config-if-fastethernet0/1)#spanning-treepath-cost 30
A.ruijie(config)#spanning-tree priority 4094 B.ruijie(config)#spanning-tree priority 4096 C.ruijie(config-stp)#spanning-tree priority 4094 D.ruijie(config-stp)#spanning-tree priority 4096
A.是否边缘 B.是否全双工 C.是否根端口 D.是否被阻塞
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