主机 PCA 、 PCB 和 PCC 分别连接在交换机 SWA 的 GigabitEthernet1/0/1 端 □ UP 、 Ethernet1/0/2 和 Ethernet1/0/3 端口上,并且其地址处于同一网段, i 交换 &SWA 上配 [SWA]vlan 10 [SWA-vlan10]port ethernet 1/0/1 [SWA-vlan10]quit [SWA]vlan 20 [SWA-vlan20]port ethernet 1/0/2 [SWA-vlan20]quit [SWA]vlan 30 [SWA-vlan30]port ethernet 1/0/3 [SWA-vlan30]quit [SWA]interface ethernet 1/0/1 [SWA-Ethernet1/0/1]port link-type hybrid [SWA-Ethernet1 /0/1 ]port hybrid vlan 10 30 untagged [SWA-Ethernet1/0/1]quit [SWA]interface ethernet 1/0/2 [SWA-Ethernet1/0/2]port link-type hybrid [SWA-Ethernet1 /0/2]port hybrid vlan 20 30 untagged [SWA-Ethernet1/0/2]quit [SWA]interface ethernet 1/0/3 [SWA-Ethernet1/0/3]port link-type hybrid [SWA-Ethernet1 /0/3]port hybrid vlan 10 20 30 untagged - 于上述信息可以判断 __ (选择一项或多项)