Nokia 4A0-C04 Exam - Topic 4 Question 81 Discussion

Actual exam question for Nokia's 4A0-C04 exam

Question #: 81
Topic #: 4

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In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. Assuming that there are no stub networks, which of the following statements regarding type 4 LSA generation is true?

ARouter R1 generates a type 4 LSA that is flooded to areas 0, 1, and 2.

BRouter R3 generates a type 4 LSA that is flooded to areas 0, 1, and 2.

CRouter R3 generates a type 4 LSA that is flooded to areas 0 and 2.

DRouter R3 generates a type 4 LSA that is flooded to area 0, and router R6 generates a type 4 LSA that is flooded to area 2.

Show Suggested Answer

Suggested Answer: D

by Krystal at Apr 03, 2025, 05:18 PM

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Arlene

4 months ago

I think D could be misleading, R6 isn't the ASBR.

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Alyce

4 months ago

Wait, are we sure R3 doesn't play a role here?

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Vincent

4 months ago

R1 is the ASBR, so it should generate the type 4 LSA.

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Casie

5 months ago

Just to clarify, type 4 LSAs are for ASBRs, right?

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Dean

5 months ago

Totally agree, A is the right answer!

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Mickie

5 months ago

I think R3 generating a type 4 LSA is possible, but I don't remember if it floods to all areas or just some. This is tricky!

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Oliva

5 months ago

I feel like type 4 LSAs are related to ASBRs, so maybe R1 is the right answer, but I might be mixing it up with type 5 LSAs.

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Romana

5 months ago

I remember a practice question where R3 was involved in type 4 LSA generation too, but I can't recall the specifics.

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Leoma

6 months ago

I think R1 should generate the type 4 LSA since it's the ASBR, but I'm not completely sure if it floods to all areas.

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Margart

6 months ago

Good catch, King. I was leaning towards that as well, but it's always good to double-check the details in these types of questions.

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King

6 months ago

Based on my understanding, the type 4 LSA generated by the ASBR (R1) should be flooded to all areas, including 0, 1, and 2. So I think the answer is A.

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Fabiola

6 months ago

I'm a bit confused about the flooding scope. Does the type 4 LSA get flooded to all areas, or just certain ones?

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Louvenia

6 months ago

Okay, let me think this through step-by-step. R1 is the ASBR, so it should be generating the type 4 LSA, right?

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Elouise

7 months ago

This question seems straightforward, but I want to make sure I understand the topology and the type 4 LSA generation properly.

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Shawnda

11 months ago

Wait, are we sure there are no stub networks? That could change everything! Hmm, I think I'll go with B. Router R3 seems like the real deal when it comes to Type 4 LSAs.

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Genevieve

12 months ago

Haha, this question is a real head-scratcher! It's like they're trying to trip us up with all these routers and areas. I'm gonna go with C just to keep them on their toes.

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Evan

12 months ago

Nah, I'm pretty sure it's D. Router R3 generates a Type 4 LSA for area 0, and router R6 generates one for area 2. Gotta cover all the bases, you know?

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