Referring to the exhibit, which router will become the OSPF BDR if all routers are powered on at the same time?

The correct answer is C. R3. Priority set to 0 will never become DR or BDR so R1 is excluded. Higher priority is better in OSPF so R2 is lowest than both R3 and R4. R3 and R4 has the same priority so RID will decide. R4 has the highest RID so it will become DR and R3 will then become BDR.

OSPF

Question

Exhibit

Options

How the community answered

(40 responses)

A
3% (1)
B
8% (3)
C
85% (34)
D
5% (2)

Explanation

Priority set to 0 will never become DR or BDR so R1 is excluded. Higher priority is better in OSPF so R2 is lowest than both R3 and R4. R3 and R4 has the same priority so RID will decide. R4 has the highest RID so it will become DR and R3 will then become BDR.

Topics

#OSPF BDR election#DR/BDR#router priority#designated router

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