Discuss Nutanix NCP-CI-Azure Exam Topic 2 Question 22

An administrator deploys an NC2 cluster in Azure and uses 10.100.0.0/16 for one of the VNets.

The cluster is configured as follows:

* 8 nodes

* Prism Central Deployed

* Files Deployed

Following the deployment, the administrator experiences network connectivity issues.

Which reason explains the connectivity issues?

AThe 10.100.0.0/16 range is not a valid CIDR range.

B10.100.0.0/16 range is reserved for internal cluster usage.

CThe W.100.0.0/16 range contains too many IP addresses for an NC2 cluster.

DThe 10.100.0.0/16 range is reserved by IANA.

Suggested Answer: B

Network Configuration: Using a specific IP range for a VNet can cause conflicts if that range is reserved or already in use by the cluster's internal operations.

Internal Usage: In NC2, certain IP ranges are reserved for internal cluster functions and should not be used for VNets to avoid IP conflicts and connectivity issues.

Impact: If the 10.100.0.0/16 range is reserved for internal usage, using it for a VNet would lead to IP conflicts, causing network connectivity issues.

Verification: It's important to verify the reserved IP ranges in the NC2 documentation before assigning them to VNets.

Conclusion: The connectivity issues are likely due to using the 10.100.0.0/16 range, which is reserved for internal cluster usage.

Nutanix Networking Guidelines

Azure Virtual Network Documentation

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12 comments · newest first

Sharita 3 months ago

But what about D? IANA reservations could be an issue too.

Salome 3 months ago

I agree, B makes sense. Cluster needs that range.

Scarlet 3 months ago

I think it's B. Reserved for internal use.

Staci 3 months ago

D sounds plausible, but I doubt IANA reserves that range.

Tyra 3 months ago

C doesn't make sense, that's a huge range for an NC2 cluster.

Veronique 4 months ago

Wait, isn't 10.100.0.0/16 a private range?

Marsha 5 months ago

I think B is the right answer. It's reserved for internal use.

Anglea 5 months ago

10.100.0.0/16 is a valid CIDR range.

Ammie 6 months ago

D sounds familiar, but I can't recall if 10.100.0.0/16 is specifically reserved by IANA. It could be a possibility.

Lawrence 6 months ago

I practiced a similar question, and I think C is unlikely because NC2 clusters can handle large IP ranges.

Tequila 6 months ago

I'm not entirely sure, but I think B might be the right answer since some IP ranges are reserved for specific uses.

Winfred 6 months ago

I remember reading that the 10.100.0.0/16 range is actually a valid CIDR range, so I don't think A is correct.

Nutanix NCP-CI-Azure Exam - Topic 2 Question 22 Discussion