若路由器显示的路由信息如下，则最后一行路由信息是____得到的。 R3show 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
A.串行口直接连接的
B.由路由协议发现的
C.操作员手工配置的
D.以太网端口直连的

A.168.0.0/24
B.168.1.0
C.168.65.0
D.168.67.0
E.168.69.0
F.168.67.2,00:00:15,Seriall
G.168.65.2,00:00:24,Serial0
H.168.5.0[120/1]
I.168.07.2,00:00:15,Seriall
J.168.3.0[120/1]
K.168.65.2,00:00:24,Serial0
A.串行口直接连接的
B.由路由协议发现的
C.操作员手工配置的
D.以太网端口直连的