Refer to the exhibit.
R1 learns all routes via OSPF.
Which command configures a backup static route on R1 to reach the 192.168.20.0/24 network via R3?
A.R1(config)#ip route 192.168.20.0 255.255.0.0 192.168.30.2 B.R1(config)#ip route 192.168.20.0 255.255.255.0 192.168.30.2 90 C.R1(config)#ip route 192.168.20.0 255.255.255.0 192.168.30.2 111 D.R1(config)#ip route 192.168.20.0 255.255.255.0 192.168.30.2正确答案C
