Discuss Google Professional Cloud Network Engineer Exam Topic 4 Question 116

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?

DExclude the conflicting IP range by using the --exclude-export-ranges flag in the hub when attaching the VPC spoke for vpc-dev.

BDelete the VMs associated with the conflicting subnets, then delete the conflicting subnets in vpc-dev. Recreate the subnets with a new IP range and redeploy the previously deleted VMs in the new subnets. Add the VPC spoke for vpc-dev.

CExclude the conflicting IP range by using the --exclude-export-ranges flag when creating the VPC spoke for vpc-dev.

ARemove the conflicting VPC spoke for vpc-pre-prod from the set of VPC spokes in Network Connectivity Center. Add the VPC spoke for vpc-dev. Add the previously removed vpc-pre-prod as a VPC spoke.

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.

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25 comments · newest first

Julene 4 months ago

I’d also consider reaching out for support if needed.

Madelyn 4 months ago

Maybe reconfigure vpc-pre-prod to avoid conflicts?

Edgar 4 months ago

Agreed. Overlapping IPs could be the issue.

Celestine 5 months ago

This is tricky. I’d check the IP ranges first.

Joaquin 6 months ago

I disagree, it could also be a problem with the NCC itself, not just the VPCs.

Chauncey 6 months ago

Wow, I didn't think IP conflicts would be such a big deal in the cloud!

Chanel 6 months ago

Are you sure it's not a misconfiguration in the NCC settings?

Daren 6 months ago

Totally agree, overlapping IPs can cause major issues!

Van 6 months ago

Check the IP ranges of vpc-pre-prod, they might be overlapping.

Felix 6 months 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.

Skye 7 months ago

Haha, welcome to the world of cloud networking! I'd say check the VPC configurations, adjust the IP ranges, and pray it works.

Margret 7 months ago

Hmm, this is a tricky one. Maybe try creating a new VPC with a different IP range and migrating the resources over?

Lorean 7 months ago

Sounds like a classic VPC peering issue. I'd try to identify the overlapping IP ranges and update the routing tables accordingly.

Arlene 7 months 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.

Buck 7 months 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.

Alesia 8 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?

Micheline 8 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?

Marge 8 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?

Tracey 9 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.

Mozelle 9 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.

Francine 9 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.

Dorothy 9 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.

Leonardo 3 months ago

↳ replying to Dorothy

Maybe we need to reconfigure the vpc-pre-prod settings first?

Britt 3 months ago

↳ replying to Dorothy

Definitely! Overlapping IPs can cause major issues.

Karan 3 months ago

↳ replying to Dorothy

I think checking the IP ranges is a good start.

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