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Nokia 4A0-C04 Exam - Topic 4 Question 86 Discussion

Actual exam question for Nokia's 4A0-C04 exam
Question #: 86
Topic #: 4
[All 4A0-C04 Questions]

What is the source IP address in an OSPF update?

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Suggested Answer: C

by Kristeen at Aug 01, 2025, 12:07 AM

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Reena
4 months ago
Wait, is it really the unicast IP? That seems off.
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Edna
4 months ago
I thought it was the unicast IP address of the interface?
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Taryn
5 months ago
Agreed, it's the unicast IP address!
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Thersa
5 months ago
224.0.0.6 is for OSPF DR/BDR, not updates!
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Emmett
5 months ago
It's definitely 224.0.0.5 for OSPF updates.
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Vivan
5 months ago
I’m leaning towards option C, but I could be mixing it up with another protocol. OSPF is tricky!
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Audra
5 months ago
I feel like the answer might be related to the router's system address, but that doesn't sound right for OSPF updates.
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Xenia
6 months ago
I remember practicing a question like this, and I think it was about the multicast addresses. Was it 224.0.0.5 or 224.0.0.6?
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Amie
6 months ago
I think the source IP address in an OSPF update is the unicast IP address of the interface, but I'm not entirely sure.
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Marguerita
6 months ago
I'm not entirely confident on this, but I think the source IP address is the system address of the router sending the update, so I'll go with option D.
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Elden
6 months ago
Ah, I remember this from my CCNA studies! The source IP address for OSPF updates is 224.0.0.5, which is the All OSPF Routers multicast address. Option A is the correct answer.
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Coral
6 months ago
Hmm, I'm a bit confused on this one. I know OSPF uses multicast addresses, but I can't quite remember which one is used for the updates. I'll have to think this through carefully.
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Timothy
6 months ago
I'm pretty sure the source IP address in an OSPF update is the unicast IP address of the interface the update is sent on, so I'll go with option C.
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Christiane
7 months ago
Ah, I remember this from my OSPF studies. The update is sent to the multicast address, but the source IP is the unicast address of the interface. C is the way to go.
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Colby
3 months ago
C is the correct answer, no doubt about it!
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Carol
3 months ago
Multicast for updates, but unicast for the source.
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Alaine
4 months ago
Definitely! The source IP is the unicast address.
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Elfriede
4 months ago
I think you're right! C makes the most sense.
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Ranee
8 months ago
I don't think it's the system address. It makes more sense for it to be the interface IP address.
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Jose
8 months ago
I'm not sure. I think it might be the system address of the router.
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Felix
8 months ago
Hmm, the source IP address in an OSPF update is the unicast IP address of the interface the update is sent on. C is the correct answer for sure.
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Ryan
8 months ago
I agree with Ranee. The source IP address should be the unicast IP address of the interface.
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Ranee
9 months ago
I think the source IP address in an OSPF update is the unicast IP address of the interface the update is sent on.
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