An administrator planned to create a new NC2 cluster and chose the existing AWS VPC...

The requirement for two private subnets in the NC2 cluster configuration workflow serves the same purposes:

One subnet is designated for user VMs, ensuring user workloads are separated from management operations.

The other subnet is designated for cluster management, maintaining the integrity and security of management processes and internal communications.

References:

Nutanix Clusters on AWS Deployment Guide

Nutanix Cloud Clusters on AWS Administration