A VKS Administrator needs to scale out a production Tanzu Kubernetes Grid (TKG) cluster named prod-cluster-01 to handle increased load. The goal is to increase the number of worker nodes from 3 to
5.
Review the following YAML snippet of the cluster definition:
apiVersion: run.tanzu.vmware.com/v1alpha3
kind: TanzuKubernetesCluster
metadata:
name: prod-cluster-01
namespace: production
spec:
topology:
controlPlane:
replicas: 3
vmClass: guaranteed-medium
storageClass: gold-policy
workers:
replicas: 3
vmClass: best-effort-large
storageClass: silver-policy
Which specific modification to the YAML file or kubectl command will achieve the scaling requirement?

• A.Edit the YAML to set spec.topology.controlPlane.replicas: 5 and apply the change.
• B.Run the command kubectl scale --replicas=5 tanzukubernetescluster/prod-cluster-01.
• C.Delete the cluster and recreate it with the new worker count.
• D.Edit the YAML to set spec.topology.workers.replicas: 5 and apply the change using kubectl apply -f cluster.yaml.

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A Platform Engineer needs to deploy the Contour Ingress Controller on a TKG cluster to manage Layer 7 routing for multiple microservices. The engineer wants to manage this installation as a standard Tanzu Package.
Review the following command sequence intended for the installation:
tanzu package available list standard.tanzu.vmware.com
tanzu package install contour \
--package-name contour.tanzu.vmware.com \
--version 1.20.2+vmware.1-tkg.1 \
--values-file contour-values.yaml
What is the primary role of the --values-file (contour-values.yaml) in this deployment model?

• A.It defines the list of Ingress resources (routes) that Contour should create immediately upon installation.
• B.It contains the TLS certificates for the applications that will be exposed by Contour.
• C.It provides the credentials for the private registry where the Contour images are stored.
• D.It customizes the default configuration of the Contour package, allowing the engineer to specify settings like the LoadBalancer service type (e.g., NodePort vs LoadBalancer), Envoy replica counts, and internal/external visibility.

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A Platform Engineer needs to provision a new VKS cluster using the vcf-cli tool (or kubectl with the VKS plugin). The requirement is to deploy a cluster named dev-cluster-1 into the namespace dev-ns, utilizing a specific Virtual Machine Class guaranteed-large for all nodes to ensure performance.
Which of the following represents a valid configuration approach for defining the node pools in the YAML manifest? (Select all that apply.)

• A.Use the command kubectl create cluster dev-cluster-1 --class guaranteed-large directly (imperative).
• B.Leave the vmClass field empty to allow the Supervisor to automatically select the largest available class.
• C.Map the guaranteed-large class to the dev-ns namespace in the vSphere Client before applying the YAML, otherwise the admission controller will reject the request.
• D.Specify the vmClass explicitly in the TanzuKubernetesCluster spec to ensure the Supervisor schedules VMs with the correct CPU and Memory reservations backed by the guaranteed-large definition in vCenter.
• E.Define a topology section in the YAML where vmClass is set to guaranteed-large for both controlPlane and workers.

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A VKS Administrator wants to Uninstall a Supervisor Service (e.g., a test instance of MinIO) to free up resources.
What is the impact of uninstalling a service on the Persistent Data associated with it (e.g., the MinIO buckets)?

• A.The data remains on the datastore as orphaned VMDKs.
• B.The Uninstall operation deletes the dedicated vSphere Namespace created for that service instance, which permanently deletes all Pods, Secrets, and Persistent Volumes (Data) contained within it.
• C.The data is archived to the Content Library.
• D.By default, the uninstall workflow deletes the Service Instance and its compute resources (Pods), but the Persistent Volume Claims (PVCs) and the underlying data are typically Retained (unless the specific service operator logic or a "Force Delete" option effectively purges them, but standard K8s practice for stateful sets often leaves PVCs to prevent accidental data loss). Self-Correction: In the vSphere Client workflow for Supervisor Services, "Remove" typically deletes the SupervisorService CR.
  The behavior depends on the Operator managing it. However, vSphere often warns that data might be lost or asks. A key exam point is understanding that Uninstall removes the active logic. But usually, for Supervisor Services specifically, it cleans up the namespace created for the service instance.
• E.The service is paused, but data is kept.

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In a vSphere with Tanzu environment, what is the primary Kubernetes resource used to define the specific storage provider parameters (such as the vSphere CSI driver retention policy) required to provision a volume snapshot?

• A.PersistentVolumeClaim
• B.ResourceQuota
• C.StorageClass
• D.VolumeSnapshotClass

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