单项选择题
A.The command is accepted and the respective VLAN is added to vlan dat.
B.The command is rejected.
C.The command is accepted and you must configure the VLAN manually.
D.The port turns amber.
单项选择题 In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?（）
多项选择题 Which router IOS commands can be used to troubleshoot LAN connectivity problems?（）
单项选择题 Refer to the exibit .An attempt to deny web access to a subnet blocks all traffic from the subnet.Which interface command immedicately removes the effect of ACL 102?（）