As shown in the figure is the output information of a network engineer when troubleshooting OSPF faults. Based on this judgment, which of the following reasons may cause the adjacency relationship…

The correct answer is C. The IP address masks of the interfaces are inconsistent. See the full explanation below for the reasoning.

Network Operation and Maintenance and Troubleshooting

Question

As shown in the figure is the output information of a network engineer when troubleshooting OSPF faults. Based on this judgment, which of the following reasons may cause the adjacency relationship to fail to be established normally?

Exhibit

Options

AHello message sending intervals are inconsistent
BAuthentication passwords are inconsistent
CThe IP address masks of the interfaces are inconsistent
DInconsistent area types

How the community answered

(43 responses)

A
2% (1)
B
12% (5)
C
79% (34)
D
7% (3)

Topics

#OSPF troubleshooting#adjacency failure#subnet mask mismatch#fault diagnosis

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