客户的局域网交换机SWA通过GigabitEthenet2/0/1连接SWB、通过GigabitEthernet2/0/2连接SWC且SWA交换机有如下配置:[SWA]stpregion-configuration[SWA-mst-region]instance0vlan1to100[SWA-mst-region]instance2vlan101to200[SWA]smart-linkgroup1[SWA-smlk-group1]protected-vlanreference-instance0[SWA-smlk-group1]portgigabitethernet2/0/1master[SWA-smlk-group1]portgigabitethernet2/0/2slave[SWA]smart-linkgroup2[SWA-smlk-group2]protected-vlanreference-instance2[SWA-smlk-group2]portgigabitethernet2/0/2master[SWA-smlk-group2]portgigabitethernet2/0/1slave如果SWA、SWB、SWC连接口允许所有VLAN通过,从上述信息可以得知()。
A.SWA交换机VLAN2流量将通过GigabitEthernet2/0/1上行
B.SWA交换机VLAN2流量将通过Gigabitethernet2/0/2上行
C.SWA交换机VLAN102流量将通过Gigabitethernet2/0/1上行
D.SWA交换机VLAN102流量将通过GigabitEthe2/0/2上行