Which two statements about OSPF designated router election are true? (Choose two)
A . The router with priority zero is elected as the designated router
B . If priorities are the same, the RID value is used as the tie-breaker
C . The designated router election is preempted by a newer router that better meets the designated router election criteria than the existing one does
D . Routers with priority zero do not participate in the election
E . A segment that elects a designated router must also elect a backup designated router
F . The MAC address is the only information that is used for the election Because of this, it must be unique in the segment
Answer: B, D