Exam 200-301 topic 1 question 1318 discussion

Actual exam question from Cisco's 200-301

Question #: 1318
Topic #: 1

Refer to the exhibit. The network engineer is confining router R2 as a replacement router on the network. After the initial configuration is applied, it is determined that R2 failed to show R1 as a neighbor. Which configuration must be applied to R2 to complete the OSPF configuration and enable it to establish the neighbor relationship with R1?

A. R2(config)#interface g0/0/0 -
R2(config-if)#ip ospf hello-interval 10
B. R2(config)#router ospf 1 -
R2(config-router)#router-id 192.168.1.1
C. R2(config)#router ospf 1 -
R2(config-router)#network 192.168.1.0 255.255.255.0 area 2
D. R2(config)#interface g0/0/0 -
R2(config-if)#ip ospf dead-interval 45