VMware 3V0-24.25 Exam Dumps

VKS cluster lifecycle is managed using adeclarative API: you usekubectl with a YAML fileto specify the desired state of the cluster (for example: ''how many nodes,'' Kubernetes version, sizing, and storage). After the cluster is created, youupdate the YAMLto update the cluster. This is why the correct operational approach is to modify the cluster manifest (cluster.yaml) rather than deleting and redeploying.

Additionally, VKS uses multiple controller layers, whereCluster APIand theVirtual Machine Serviceare responsible for provisioning and managing the lifecycle of the control plane and worker node VMs that make up the VKS cluster. In other words, when you change the declared state for control plane sizing/replica count in the cluster YAML, the platform reconciles to that new state by adjusting the underlying control plane VMs through the supported controllers, instead of requiring disruptive ''tear down and rebuild'' operations.

So, editing the cluster.yaml to adjust the control plane replica count is the method that matches the documented VKS declarative operations model and controller-driven reconciliation.

In VCF 9.0 VKS clusters, network policy is a core Kubernetes networking control implemented by the cluster's CNI (Antrea or Calico). The VCF documentation's ''VKS Cluster Networking'' table describesNetwork policyas the feature that ''controls what traffic is allowed to and from selected pods and network endpoints,'' and identifies Antrea or Calico as the providers for this capability. That definition precisely matches optionB: it governs pod-to-pod and pod-to-external endpoint communication rules. This is different from ingress routing (which the same table describes separately as ''Cluster ingress ... routing for inbound pod traffic''), so option C is not correct for ''network policy.'' It is also different from NodePort behavior (external access via a port on each worker node through the Kubernetes network proxy), which is explicitly listed as ''Service type: NodePort.'' Finally, creating/operating clusters natively in Supervisor is a broader lifecycle function (Cluster API/VKS API), not the definition of network policy. Therefore,NetworkPolicyis the Kubernetes-layer mechanism to define and enforce allowed traffic flows.

The documented behavior of kubectl edit is that it opens the object manifest in a local text editor, and the editor it launches is controlled by environment variables. In the VCF 9.0 documentation (Workload Management / Supervisor operations), the procedure explicitly states: ''The kubectl edit command opens the namespace manifest in the text editor defined by your KUBE_EDITOR or the EDITOR environment variable.''

If the administrator's environment does not have KUBE_EDITOR or EDITOR defined (or they point to an invalid/interactive-less editor in the current session), kubectl edit may not open the expected editor workflow, and the admin may not see the normal confirmation after saving and exiting. Setting KUBE_EDITOR (preferred for kubectl-specific behavior) or EDITOR ensures kubectl launches a known-good editor, allowing the manifest to be modified, saved, and then submitted back to the API server when the editor exits. The same documented requirement also applies to editing other Kubernetes objects (such as a VKS cluster manifest) because the kubectl edit mechanism is identical.

In VCF 9.0, VKS cluster provisioning and lifecycle management is built around Kubernetes-native, declarative APIs. The VMware documentation describes thatCluster API provides declarative, Kubernetes-style APIs for cluster creation, configuration, and management, and that its inputs include the cluster definition plus the resources describing the virtual machines and ''cluster add-ons.'' This is why Cluster API is the component associated withprovisioning(creating and managing) workload clusters in the VKS model.

By contrast,cert-manageris typically used to automate certificate issuance/renewal for in-cluster components, andCarvelis a set of tools often used to package, configure, and install Kubernetes software, but neither is the core provisioning controller for creating the clusters themselves. The VCF documentation is explicit that Cluster API is the API layer responsible for cluster creation/configuration/management, making it the correct answer for provisioning VKS workload clusters (including those intended to run service mesh capabilities).

VMware Cloud Foundation 9.0 documents a dedicated backup-and-restore approach forWorkload Managementwhere different components use different tools. Forworkloadsrunning on vSphere Supervisor--based Kubernetes (bothvSphere PodsandVKS cluster workloads), the documented solution isVelero, specifically theVelero Plugin for vSphereinstalled and configured on the Supervisor. The ''Considerations for Backing Up and Restoring Workload Management'' table explicitly lists: ''Backup and restore vSphere Pods --- Velero Plugin for vSphere'' and ''Backup stateless and stateful workloads on a VKS cluster and restore to a cluster provisioned by VKS --- Velero Plugin for vSphere.''

The same section also clarifies thatSupervisor backups(via vCenter file-based backup) are for restoring theSupervisor control plane/stateand VKS node VMs---not for restoring workloads themselves---so workloads must be backed up separately.

Therefore, the correct tool for backing up and restoring workloads on clusters provisioned by vSphere Supervisor isVelero (using the Velero Plugin for vSphere).