Catalyst 3500(Cisco.[OS系统)中配置PortFast生成树可选功能的命令格式是——。A.set spanning—tree
Catalyst 3500(Cisco.[OS系统)中配置PortFast生成树可选功能的命令格式是——。
A.set spanning—tree portfast<mod/port>enable
B.set spanning-tree portfast<mod/port>enable
C.spanning—tree portfast default
D.set spanning—tree portfast<mod/port>default