用什么命令可以防止用户在交换机的接入端口上通过HUB接入多个设备?（单选）
A.[HuawejlinterfaceGigabitEthemet0/0/1[Huawei-GigabiEthermet0/0/1lportlinktypetrunk[Huawei-GigabitEthemetO/1]porttrunkallowpassvlan10 B.[HuawejlinterfaceGigabitEthemet00/1[Huawe-GigabIEthemetO/0/1Jporinktypeacess[HuaweiGigabitEthemet0/0/Tipsgenable C.HuaweinerfaceGigabiEthemetO0/1Huawei-GigabiEthemetO/0]portIink-typeaccesHuawei-GigabiIEthemet0/0/1port-secuntyenable D.[HuaweijinterfaceGigabiEthemet00/1[Huawei-GigabitEthemet0/0/1)potinktypeaccess(Huawei-GigabiEthemetO/1]portisolateenable正确答案C
