选择题
15. 若路由器显示的路由信启、如下,则最后一行路由信息是怎样得到的?______。
R3#show ip route
Gateway of last resort is not set
192.168.0.0/24 is subnetted,6 subnets
C 192.168.1.0 is directly connected,Ethemet0
C 192.168.65.0 is directly connected,Serial0
C 192.168.67.0 is directly connected,Serial1
R 192.168.69.0[120/1] via 192.168.67.2,00:00:15,Serial1
[120/1]via 192.168.65,2,00:00:24,Serial0
R 192.168.5.0[120/1]via 192.168.07.2,00:00:15,Serial1
R 192.168.3.0[120/1]via 192.168.65.2,00:00:24,Serial0