Q: 3
Refer to the exhibit: 
Which condition must be met by the OSPF peer of router R1 before the two devices can establish communication?
Options
Discussion
A
A tbh. Seen a similar question in practice, always trips people up since key ID and key value both need to match, not just one. B is tempting but not right here.
Got to match both key ID and key value for OSPF authentication to work, so that's A.
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