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Nokia 4A0-102 Exam - Topic 3 Question 90 Discussion

The configuration of an Alcatel-Lucent 7750 SR is given below. Router Rl has established BGP sessions with routers R2 and R3. Which of the following is TRUE?
D) The types of BGP sessions with routers R2 and R3 cannot be determined.
C) Router R1forms eBGP sessions with routers R2 and R3.
B) Router R1forms iBGP sessions with routers R2 and R3.
A) Router R1forms an iBGP session with router R2, and an eBGP session with router R3.

Nokia 4A0-102 Exam - Topic 3 Question 90 Discussion

Actual exam question for Nokia's 4A0-102 exam
Question #: 90
Topic #: 3
[All 4A0-102 Questions]

The configuration of an Alcatel-Lucent 7750 SR is given below. Router Rl has established BGP sessions with routers R2 and R3. Which of the following is TRUE?

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Suggested Answer: D

by Latanya at Jan 27, 2026, 07:23 AM

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Carissa
2 months ago
True, but R1 controls the routing decisions.
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Odette
2 months ago
I feel like R2 and R3 are just peers.
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Skye
2 months ago
Yeah, it’s definitely managing the BGP sessions.
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Doretha
2 months ago
I think R1 is the main router here.
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Edward
4 months ago
I think R3 might have a different configuration.
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Dominque
4 months ago
R1 should be advertising routes to R2 and R3.
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Anglea
4 months ago
Wait, are we sure about R2 and R3's roles?
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Shenika
4 months ago
Totally agree, R1 is the main router.
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Adria
5 months ago
R1 is the BGP speaker here.
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Hubert
5 months ago
Wait, is this a trick question? I'm getting a headache just looking at this diagram.
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Brigette
5 months ago
Haha, this question is a piece of cake. I can almost smell the correct answer from here.
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Clarinda
5 months ago
I bet the correct answer has something to do with the BGP sessions.
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Arlen
5 months ago
Looks like R1 is the central router in this network topology.
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Yuki
5 months ago
The BGP sessions between R1 and R2/R3 are clearly visible in the diagram.
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Hayley
6 months ago
I think the answer might relate to the AS path or next-hop attributes, but I can't recall the exact details from our last review session.
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Miles
6 months ago
I feel a bit confused about the specifics of the Alcatel-Lucent configuration. Did we cover how to interpret those diagrams in detail?
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Tuyet
6 months ago
This question seems similar to one we practiced about BGP peering relationships. I think it might have something to do with route propagation.
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Carlee
7 months ago
I remember studying BGP attributes and how they influence route selection, but I'm not entirely sure which one applies here.
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Lenna
7 months ago
This seems straightforward enough. I'll sketch out the topology, consider the BGP session states, and then select the true statement.
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Thora
7 months ago
Ugh, BGP questions are not my strong suit. I'll need to review my notes and try to remember the key BGP concepts that might be relevant here.
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Sena
7 months ago
Alright, let's do this. I'm familiar with BGP and should be able to work through this step-by-step to find the correct answer.
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Bonita
7 months ago
Okay, I see the Alcatel-Lucent 7750 SR router configuration. I think I can use that information to determine which statement is true about the BGP sessions.
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Maxima
8 months ago
Hmm, this looks like a tricky BGP configuration question. I'll need to carefully analyze the topology and think through the possible scenarios.
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Annabelle
1 month ago
Don't forget about the AS paths and next hops!
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Alaine
1 month ago
Agreed! We need to consider the routing policies.
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Jerry
2 months ago
This BGP setup is definitely complex.
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