An Aruba switch is configured with OSPF authentication on an interface using 'ip ospf authentication message-digest'. What must match between neighbors for the adjacency to form?
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A
The MD5 key-id and key string must match on both sides
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B
Only the key string must match; key-id is locally significant
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C
Authentication type must match, but keys are exchanged automatically
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D
MD5 authentication only requires matching area IDs