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Question 18 - NCP-CI-AWS discussion

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preparing the landing zone networking resources for a Nutanix cluster on AWS. The administrator has created a VPC with two private subnets: one for cluster management and one for user VMs.

What additional subnet must the administrator create?

A.
Public subnet for S3 access
Answers
A.
Public subnet for S3 access
B.
Public subnet for Internet access
Answers
B.
Public subnet for Internet access
C.
Private subnet for VPN gateway
Answers
C.
Private subnet for VPN gateway
D.
Private subnet for Prism Central
Answers
D.
Private subnet for Prism Central
Suggested answer: B

Explanation:

When setting up a landing zone for Nutanix clusters on AWS, having only private subnets for cluster management and user VMs is not sufficient for full cluster functionality. Nutanix clusters often need to communicate with the internet for updates, patches, and other cloud services.

VPC Configuration:

The VPC already has two private subnets (one for cluster management and one for user VMs).

Additional Requirements:

To access public services like S3 or for the cluster nodes to reach Nutanix services for updates, a public subnet is essential.

Why Public Subnet for Internet Access?:

A public subnet allows resources within it to communicate directly with the internet, which is necessary for accessing Nutanix's update servers, applying patches, and other maintenance tasks.

This subnet typically includes an internet gateway, enabling instances in the public subnet to receive and send traffic directly to the internet.

Nutanix Cloud Clusters on AWS Administration Guide

AWS Networking Best Practices

Nutanix Networking and Subnet Configuration Guidelines

asked 23/09/2024
Ronald Stover
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