The second unit is elected as the backup designated router Under normal operation, how many OSPF full adjacencies are formed to each of the other two units?

Four FortiGate devices configured for OSPF connected to the same broadcast domain. The first unit is elected as the designated router

The second unit is elected as the backup designated router Under normal operation, how many OSPF full adjacencies are formed to each of the other two units?
A . 1
B . 2
C . 3
D . 4

Answer: B