47.若路由器显示的路由信息如下,则最后一行路由信息是怎么样得到的 ( )。
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,Ethernet0
C 192.168.65.0 is directly connected,Serial0
C 192.168.67.0 is directly connected,Seriall
R 192.168.69.0 [120/1] via 192.168.67.2,00:00:15,Seriall
[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,Seriall
R 192.168.3.0[120/1] via 192.168.65.2,00:00:24,Serial0