交换机SWA的Ethernets端口配置如下:interfaceEthernet1/0/1portlink-typetrunkporttrunkpermit
A.[SWAEthernet1/0/1]portlinktypeaccess[SWAEthernet1/0/1]portaccessvlan20[SWA-Ethernet1/0/1]portlink-typehybrid[SWA-Ethernet1/0/1]porthybridvlan10tagged
B.[SWAEthernet1/0/1]portlinktypeaccess[SWAEthernet1/0/1]portlinktypehybrid[SWA-Ethernet1/0/1]porthybridpvidvlan20[SWA-Ethernet1/0/1]porthybridvlan10tagged
C.[SWAEthernet1/0/1]undoportlinktype[SWAEthernet1/0/1]portlinktypehybrid[SWAEthernet1/0/1]porthybridpvidvlan20[SWAEthernet1/0/1]porthybridvlan10tagged
D.[SWA-Ethernet1/0/1]portlink-typehybrid
E.以上各项均不正确