Nokia 4A0-105 Exam - Topic 1 Question 122 Discussion

Actual exam question for Nokia's 4A0-105 exam

Question #: 122
Topic #: 1

Click on the exhibit below.

How many LSPs are required in total between Metro A and Metro B if 100 hierarchical VPLS services are deployed across the two metro networks?

A100

B200

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Suggested Answer: D

by Nell at Mar 03, 2026, 10:39 PM

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Nguyet

5 days ago

Wait, are we sure about that? Seems like it could be less.

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Izetta

10 days ago

I think it's just 100, one for each service.

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Lazaro

15 days ago

It's definitely 200, right? Each service needs one per metro.

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Daren

20 days ago

I’m confused about whether the LSPs are shared or dedicated. If they’re dedicated, then it could be 200, but if they’re shared, maybe just 2?

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Carlee

25 days ago

I practiced a similar question where we had to calculate LSPs for a different number of services. I think it was 2 LSPs for a pair of networks, but this one seems trickier.

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Adria

1 month ago

I’m not entirely sure, but I feel like the number of LSPs could be related to the number of services. Maybe it’s 200 since each service might need its own LSP?

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German

1 month ago

I think we might need to consider how VPLS services are structured. I remember something about needing multiple LSPs for redundancy.

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