无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

單項選擇題

Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?()

A.the switch with the lowest MAC address
B.the switch with the higest MAC address
C.the switch witch the higest IP address
D.the switch with the lowest IP address

微信掃碼免費搜題