I think it is C
"The DevOps engineer creates a PVC using the command line on the Tanzu Kubernetes cluster. This action generates a matching PVC on the supervisor cluster and triggers the CNS-CSI. The CNS-CSI invokes the CNS create volume API."
"After successful creation of a volume, the operation propagates back through the supervisor cluster to the Tanzu Kubernetes cluster. As a result of this propagation, users can see the persistent volume and the persistent volume claim in the bound state in the supervisor cluster. And they also see the persistent volume and the persistent volume claim in the bound state in the Tanzu Kubernetes cluster."
Page 187-188
https://docs.vmware.com/en/VMware-vSphere/7.0/vsphere-esxi-vcenter-server-702-vsphere-with-tanzu-guide.pdf
A. Through a proxy VM - No
B. Directly with vCenter Server and the underlying ESXi hosts - No, TKC's don't talk directly to VCenter.
C. Through the Supervisor Cluster - Yes, they talk to the control plane and the control plane talks to VCenter
D. Directly with the vCenter Server - No, TKC's don't talk directly to VCenter.
The Cloud Native Storage for vSphere with Tanzu workflow is as follows:
1. A developer deploys a pod using the kubectl CLI.
2. The vSphere with Tanzu Cloud Native Storage-Container Storage Interface (CNS-CSI) reads this request from the control plane API server.
3. CNS-CSI informs the vCenter Server CNS of the need for a disk with storage class Gold.
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