Refer to the exhibit. Which two configurations must the engineer apply on this network so that R1 becomes the DR? (Choose two.)

Refer to the exhibit. Which two configurations must the engineer apply on this network so that R1 becomes the DR? (Choose two.)

A.
R1(config)#router ospf 1
R1(config-router)#router-id 192.168.100.1

B.
R1(config)#interface fastethernet 0/0
R1(config-if)#ip ospf priority 200

C.
R3(config)#interface fastethernet 0/0
R3(config-if)#ip ospf priority 0

D.
R1(config)#interface fastethernet 0/0
R1(config-if)#ip ospf priority 0

E
R3(config)#interface fastethernet 0/0
R3(config-if)#ip ospf priority 200

Exam with this question: CA201