Refer to the exhibit. R2 is the neighboring router of R1. R2 receives an advertisement for network 192 168.10.50/32. Which configuration should be applied for the subnet to be advertised with the original /24 netmask?

R1#show run | b router ospf
router ospf 1
network 192.168.10.0 0.0.0.255 area 0

R1#show run | b interface loopback0
interface loopback0
ip address 192.168.10.50 255.255.255.0

A. 
R1(config)# router ospf 1
R1(config-router)# network 192.168.10.0 255.255.255.0 area 0

B. 
R1(config)#interface loopback0
R1(confia-if)# ip ospf 1 area 0

C. 
R1(config)# interface loopback0
R1(config-if)# ip ospf network point-to-point

D. 
R1(config)# interface loopback0
R1(config-if)# ip ospf network non-broadcast

Refer to the exhibit. R2 is the neighboring router of R1. R2 receives an advertisement for network 192 168.10.50/32. Which configuration should be applied for the subnet to be advertised with the original /24 netmask?

R1#show run | b router ospf
router ospf 1
network 192.168.10.0 0.0.0.255 area 0

R1#show run | b interface loopback0
interface loopback0
ip address 192.168.10.50 255.255.255.0

A. 
R1(config)# router ospf 1
R1(config-router)# network 192.168.10.0 255.255.255.0 area 0

B. 
R1(config)#interface loopback0
R1(confia-if)# ip ospf 1 area 0

C. 
R1(config)# interface loopback0
R1(config-if)# ip ospf network point-to-point

D. 
R1(config)# interface loopback0
R1(config-if)# ip ospf network non-broadcast

Correct Answer: C