Huawei
H12-821_V1.0 · Question #141
H12-821_V1.0 Question #141: Real Exam Question with Answer & Explanation
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Question
A network engineer outputs the following information when troubleshooting OSPF protocol faults.
<pre><code><Huawei>display ospf error interface GigabitEthernet 0/0/0
OSPF Process 1 with Router ID 10.0.12.2
OSPF error statistics
Interface: GigabitEthernet0/0/0 (10.0.12.2)
General packet errors:
0 : Bad version 0 : Bad checksum
4 : Bad area id 0 : Bad authentication type
0 : Bad authentication key 0 : Unknown neighbor
0 : Bad net segment 0 : Extern option mismatch
0 : Router id confusion
HELLO packet errors:
0 : Netmask mismatch 0 : Hello timer mismatch
0 : Dead timer mismatch 0 : invalid Source Address
</code></pre>
Based on this, determine what causes the adjacency relationship to fail to be established normally?
Options
- AArea code mismatch
- BAuthentication type is inconsistent
- CThe IP address codes of the interfaces are inconsistent
- DRouter ID mismatch
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