Router R1 must send all traffic without a matching routing-table entry to 192.168.1.1. Which configuration accomplishes this task?

A. R1#config t
R1(config)#ip routing
R1(config)#ip route default-route 192.168.1.1
B. R1#config t
R1(config)#ip routing
R1(config)#ip route 192.168.1.1 0.0.0.0 0.0.0.0
C. R1#config t
R1(config)#ip routing
R1(config)#ip route 0.0.0.0 0.0.0.0 192.168.1.1
D. R1#config t
R1(config)#ip routing
R1(config)#ip default-gateway 192.168.1.1