Refer to the exhibit, which shows the partial output of a real-time OSPF debug. Why are the two FortiGate devices unable to form an adjacency?

Question

Exhibit

Options

• AThe Hello packet is being sent from an OSPF router with ID 0.0.0.112.
• BThe two FortiGate devices attempting adjacency are in area 0.0.0.0.
• COne FortiGate device is configured to require authentication, while the other is not.
• DThe passwords on the FortiGate devices do not match.

• A
  20% (8)
• B
  10% (4)
• C
  65% (26)
• D
  5% (2)

Explanation

One FortiGate is sending Hellos with authentication (non‑zero AuthType) while the other is set to AuthType 0, triggering an "Authentication type mismatch" and preventing adjacency.

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