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Exam 200-105 topic 1 question 445 discussion

Actual exam question from Cisco's 200-105
Question #: 445
Topic #: 1
[All 200-105 Questions]

If two OSPF neighbors have formed complete adjacency and are exchanging link-state advertisements, which state have they reached?

  • A. Exstart
  • B. 2-Way
  • C. FULL
  • D. Exchange
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Suggested Answer: C 🗳️
by Quan at Oct. 29, 2019, 11:39 p.m.

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SirFrates24
5 years, 7 months ago
have formed complete adjacency and are exchanging link-state advertisements, which state have they reached? it has to be Full, answer is C
upvoted 3 times
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Quan
5 years, 8 months ago
I am so sorry. Then correct answer is C. Link for explanation: https://www.computernetworkingnotes.com/ccna-study-guide/ospf-neighbor-states-explained-with-example.html
upvoted 1 times
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Quan
5 years, 8 months ago
The answer is D. Link for explanation: http://www.firewall.cx/networking-topics/routing/ospf-routing-protocol/1142-ospf-adjacency-neighbor-states-forming-process.html
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Quan
5 years, 8 months ago
The answer should be D (Exchange), NOT C. Explanation: (pay attention to "LSA"). EXCHANGE STATE In this state, OSPF routers exchange DataBase Descriptor (DBD) packets. These contain Link State Advertisement (LSA) headers describing the content of the entire Link State Database (LSD). The contents of the DataBase Descriptor (DBD) received by the router are compared with its own Link State Database (LSD) to check if changes or additional link-state information is available from its neighbor.
upvoted 1 times
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C (25%)
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