OSPF must be configured between routers R1 and R2. Which OSPF configuration must be applied to router R1 to avoid a DR/BDR election?

OSPF must be configured between routers R1 and R2. Which OSPF configuration must be applied to router R1 to avoid a DR/BDR election?

A.
router ospf 1
network 192.168.1.1 0.0.0.0 area 0
interface e1/1
ip address 192.168.1.1 255.255.255.252
ip ospf network broadcast

B.
router ospf 1
network 192.168.1.1 0.0.0.0 area 0
interface e1/1
ip address 192.168.1.1 255.255.255.252
ip ospf network point-to-point

C.
router ospf 1
network 192.168.1.1 0.0.0.0 area 0
interface e1/1
ip address 192.168.1.1 255.255.255.252
ip ospf cost 0

D.
router ospf 1
network 192.168.1.1 0.0.0.0 area 0
hello interval 15
interface e1/1
Ip address 192.168.1.1 255.255.255.252

Exam with this question: CA201