Refer to the exhibit.
Routers R1 and R3 have the default configuration. The router R2 priority is set to 99.
Which commands on R3 configure it as the DR in the 10.0 4.0/24 network?
A.R3(config)#interface Gig0/1 R3(config-if)#ip ospf priority 100 B.R3(config)#interface Gig0/0 R3(config-if)#ip ospf priority 100 C.R3(config)#interface Gig0/0 R3(config-if)i=ip ospf priority 1 D.R3(config)#interface Gig0/1 R3(config-if)#ip ospf priority 0正确答案A
