如圖,每個交換機(jī)都配置了主機(jī)名,也都運(yùn)行了RSTP,在就沒有做其他的配置了。下面哪三個選項(xiàng)正確的描述了RSTP的端口角色?()
A.SwitchA上,F(xiàn)a0/2,指定 B.SwitchA上,F(xiàn)a0/1,根 C.SwitchB上,GI0/2,根 D.SwitchB上,GI0/1,指定 E.SwitchC上,F(xiàn)a0/2,根 F.SwitchD上,GI0/2,根
A.destination address and wildcard mask B.source address and wildcard mask C.destination address and subnet mask D.source address and subnet mask
A.show interfaces interface B.show vlan bri C.show interfaces interface switchport D.show interface interface trunk E.show interfaces vlan