A central switching point that all devices on an Ethernet segment plug into. Also known as a "multiport repeater" and sometimes called a "concentrator, the hub shares the total bandwidth among all ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果一些您可能无法访问的结果已被隐去。
显示无法访问的结果