If the DR priority is set to 0, then in the OSPF routing domain, the router is allowed to be elected as DR or BDR, but it has the lowest priority.

The correct answer is B. FALSE. Option B (FALSE) is correct because in OSPF, setting a router's DR priority to 0 completely disqualifies it from DR/BDR election - it cannot be elected as either. This is not simply a "lowest priority" situation; it is an explicit exclusion from the election process entirely…

IPv4 Routing Technologies

Question

If the DR priority is set to 0, then in the OSPF routing domain, the router is allowed to be elected as DR or BDR, but it has the lowest priority.

Options

ATRUE
BFALSE
C
D

How the community answered

(32 responses)

A
3% (1)
B
78% (25)
C
13% (4)
D
6% (2)

Explanation

Option B (FALSE) is correct because in OSPF, setting a router's DR priority to 0 completely disqualifies it from DR/BDR election - it cannot be elected as either. This is not simply a "lowest priority" situation; it is an explicit exclusion from the election process entirely.

Option A is wrong because it misrepresents how priority 0 works. The statement implies the router still participates but just ranks last, which is inaccurate - a priority of 0 is a hard disqualification, not a tiebreaker disadvantage.

Memory tip: Think of priority 0 as "zero eligibility." Just as a score of 0 on an exam means you didn't qualify, a DR priority of 0 means the router doesn't qualify to become DR or BDR - no participation, no election, full stop.

Topics

#OSPF#DR/BDR Election#Router Priority#Neighbor Selection

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