Which reason could cause an OSPF neighborship to be in the EXSTART/EXCHANGE state?
A. mismatched OSPF link costs
B. mismatched OSPF network type
C. mismatched areas
D. mismatched MTU size
Correct Answer: D
Section: (none)
Explanation
Explanation/Reference:
Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/prog/configuration/166/b_166_programmability_cg/b_166_programmability_cg_chapter_01011.html