Refer to the exhibit. R1 accesses the Internet using E0/0. You have been asked to configure
R1 so that a default route is generated to its downstream devices (191.0.0.1 and 192.0.0.1).
Which commands would create this configuration?
R1#show ip route
1.0.0.0/24 is subnetted, 1 subnets
C 1.1.1.0 is directly connected Lookback9
D EX 212.50.167.0/24 (170/2172416) via 192.0.0.1 00:45:34,
Serial1/0
(170/2172416 via 191.0.0.1 00:45:34,
Serial2/0
191.0.0.0/30 is subnetted, 1 subnets
C 191.0.0.0 is directly connected Serial2/0
D EX 212.50.166.0/24 (170/2172416) via 192.0.0.1 00:45:34,
Serial1/0
(170/2172416 via 191.0.0.1 00:45:34,
Serial2/0
20.0.0.0/24 is subnetted, 1 subnets
C 20.20.20.0 is directly connected Ethernet0/0
212.50.185.0/27 is subnetted, 3 subnets
D EX 212.50.185.64 (170/2172416) via 192.0.0.1 00:45:34,
Serial1/0
(170/2172416 via 191.0.0.1 00:45:34,
Serial2/0
D EX 212.50.185.96 (170/2172416) via 192.0.0.1 00:45:34,
Serial1/0
(170/2172416 via 191.0.0.1 00:45:34,
Serial2/0
D EX 212.50.185.32 (170/2172416) via 192.0.0.1 00:45:34,
Serial1/0
(170/2172416 via 191.0.0.1 00:45:34,
Serial2/0
192.0.0.0/30 is subnetted, 1 subnets
C 192.0.0.0 is directly connected Serial1/0

A.
router eigrp 190
redistribute static
!
ip route 0.0.0.0 0.0.0.0 Null0

B.
ip default-network 20.0.0.0

C.
router eigrp 190
redistribute static
!
ip route 0.0.0.0 255.255.255.255 Null0

D.
ip default-network 20.20.20.0