An OSPF Neighbor Relationship Fails to Be Established and the Display

question 1

Multiple Choice

An OSPF neighbor relationship fails to be established and the display ospf error command output is as follows. Which of the following is the possible cause?

• A) Router IDs conflict.
• B) Area IDs are mismatched.
• C) Network masks are inconsistent.
• D) Authentication types are inconsistent.

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