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Nokia 4A0-C04 Exam - Topic 4 Question 76 Discussion

Click the exhibit button.In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. How many type 4 LSAs will be present in the network?
C) One for each of the external routes exported by router R1.
A) One.
B) One for each of the routers in area 0
D) Type 4 LSAs are not generated in this network topology.

Nokia 4A0-C04 Exam - Topic 4 Question 76 Discussion

Actual exam question for Nokia's 4A0-C04 exam
Question #: 76
Topic #: 4
[All 4A0-C04 Questions]

Click the exhibit button.

In the topology shown, router R1 is an ASBR configured to export external routes to OSPF. How many type 4 LSAs will be present in the network?

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Suggested Answer: C

by Cassi at Jan 09, 2025, 05:19 PM

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Aliza
6 months ago
Nah, type 4 LSAs aren't generated here.
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Yolande
6 months ago
Definitely one for each router in area 0!
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Gregoria
7 months ago
Wait, are you sure about that? Seems off.
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Elden
7 months ago
I think it's one for each external route exported.
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Roosevelt
7 months ago
Type 4 LSAs are for ASBRs, right?
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Francoise
7 months ago
I vaguely recall that type 4 LSAs might not be generated in some topologies, but I can't remember the details.
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Twana
7 months ago
I practiced a similar question where the number of LSAs depended on the external routes, so I’m leaning towards option C.
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Kiley
8 months ago
I think there might be one type 4 LSA for each router in area 0, but I need to double-check that concept.
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Gabriele
8 months ago
I remember studying that type 4 LSAs are used to advertise ASBRs, but I'm not sure how many would be in this specific case.
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Bernadine
8 months ago
Alright, I've got a strategy for this. I'll start by identifying the ASBR and then consider the number of external routes it's advertising. That should point me to the right answer.
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Shelia
8 months ago
I've seen questions like this before. I think the answer is going to depend on how many external routes R1 is exporting. Let me review the options carefully.
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Basilia
8 months ago
I'm a bit confused on this one. The topology seems straightforward, but I'm not sure how to determine the number of type 4 LSAs. Guess I'll have to think it through step-by-step.
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Rossana
8 months ago
Okay, let's see here. The key information seems to be that R1 is an ASBR exporting external routes. I think the answer might be related to that.
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Alba
8 months ago
Hmm, this looks like a tricky OSPF question. I'll need to carefully review the topology and think through the type 4 LSA generation rules.
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Cherri
1 year ago
I bet the answer is B. One type 4 LSA for each router in area 0. That's like, the most complicated option, so it's gotta be right.
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Lore
1 year ago
I agree with you, B seems like the most complicated option so it must be right.
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Kayleigh
1 year ago
Let's go with C. One for each of the external routes exported by router R1.
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Janna
1 year ago
I agree with you, I also think it's B. One for each of the routers in area 0.
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Haydee
1 year ago
I'm going with D. Type 4 LSAs are not generated in this network topology.
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Man
1 year ago
I'm not sure, but I believe it's D. Type 4 LSAs are not generated in this network topology.
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Tony
1 year ago
I think the answer is C. One for each of the external routes exported by router R1.
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Renay
1 year ago
I think the answer is actually C. One for each of the external routes exported by router R1.
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Nickolas
1 year ago
Eve
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Ryann
1 year ago
But router R1 is an ASBR, so it should only generate one type 4 LSA for each external route it exports.
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Alesia
1 year ago
I disagree, I believe the answer is B.
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Ryann
1 year ago
I think the answer is C.
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