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Google Professional Cloud Network Engineer Exam - Topic 4 Question 116 Discussion

Actual exam question for Google's Professional Cloud Network Engineer exam
Question #: 116
Topic #: 4
[All Professional Cloud Network Engineer Questions]

Your organization recently re-architected your cloud environment to use Network Connectivity Center. However, an error occurred when you tried to add a new VPC named vpc-dev as a spoke. The error indicated that there was an issue with an existing spoke and the IP space of a VPC named vpc-pre-prod. You must complete the migration quickly and efficiently. What should you do?

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Suggested Answer: A

The most efficient way to resolve the conflict is to temporarily remove the conflicting vpc-pre-prod spoke, add the vpc-dev spoke, and then re-add vpc-pre-prod. This ensures that the migration happens quickly without the need to change IP ranges or delete resources.


by Ivette at Jan 22, 2026, 04:32 PM

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Felix
1 day ago
Ah, the joys of cloud migration. I'd suggest reaching out to the cloud provider's support team - they might have a quick fix for this.
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Skye
7 days ago
Haha, welcome to the world of cloud networking! I'd say check the VPC configurations, adjust the IP ranges, and pray it works.
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Margret
12 days ago
Hmm, this is a tricky one. Maybe try creating a new VPC with a different IP range and migrating the resources over?
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Lorean
17 days ago
Sounds like a classic VPC peering issue. I'd try to identify the overlapping IP ranges and update the routing tables accordingly.
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Arlene
22 days ago
The issue is likely due to an IP space conflict between vpc-dev and vpc-pre-prod. I'd recommend reviewing the IP ranges and adjusting them to ensure there's no overlap.
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Buck
27 days ago
I feel like we might need to look into the routing configurations as well. There could be something in the routes that’s causing the error with vpc-dev.
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Alesia
2 months ago
I'm not entirely sure, but could it be possible that vpc-pre-prod is still connected to another service that's causing the conflict?
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Micheline
2 months ago
I think I saw a similar question in our practice exams where we had to resolve overlapping IP ranges. Should we consider renaming or changing the CIDR of vpc-pre-prod?
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Marge
2 months ago
I remember something about IP address conflicts causing issues when adding spokes. Maybe we need to check the CIDR blocks for both VPCs?
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Tracey
2 months ago
I'm a bit confused by the technical details here, but I'll do my best to work through this step-by-step. First, I'll need to gather more information about the existing vpc-pre-prod VPC and the issue with the IP space. Then, I'll see if I can come up with a solution to resolve the conflict and complete the migration.
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Mozelle
2 months ago
This seems straightforward enough. I'll start by checking the IP space of the vpc-pre-prod VPC and see if I can find a way to adjust it to avoid the conflict. If that's not possible, I may need to consider other options like modifying the vpc-dev VPC or exploring alternative network configurations.
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Francine
3 months ago
Okay, so it seems like there's a problem with the IP space of the vpc-pre-prod VPC that's causing issues when trying to add the new vpc-dev VPC as a spoke. I'll need to investigate the IP ranges of both VPCs and see if I can find a way to resolve the conflict.
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Dorothy
3 months ago
Hmm, this looks like a tricky one. I'll need to carefully review the requirements and see if I can identify the root cause of the issue with the existing spoke and IP space conflict.
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