A.Incorrect VTP domain B.Incorrect VTP password C.Incorrect VTP mode D.Incorrect VTP configuration revision
A.Clear the MAC address table in the switch. B.Clear the ARP cache in the switch. C.Clear the ARP cache in the end devices. D.Clear the ARP cache in the application servers.
在R2的show ip route ospf中,關(guān)于R1的loopback0的路由條目下一跳指向哪個路由器。