3V0-24.25: How VKS Clusters Scale in VCF 9.0

About this video

In this video, we continue our 3V0-24.25 certification preparation series and explore how VMware Cloud Foundation 9.0 provisions and scales VKS workload clusters. A common mistake is confusing Kubernetes application scaling with infrastructure scaling. Increasing Pod replicas does not create more Kubernetes worker nodes, and manually changing virtual machines bypasses the lifecycle controllers that maintain VKS consistency. In this module, we analyze: How VKS clusters are defined through declarative cluster manifests The role of Supervisor and Cluster API controllers How Content Library images are used during node provisioning The immutable VM replacement model behind VKS infrastructure How to safely scale worker node pools How to validate cluster convergence using Kubernetes and VCF CLI tools For the 3V0-24.25 exam, the key skill is understanding the infrastructure control boundary. VKS clusters are managed as declarative platform resources, not as manually maintained virtual machines. The correct workflow is: Define desired state → Submit configuration → Allow controllers to reconcile → Verify actual state By mastering this lifecycle model, you can avoid common exam traps involving manual VM operations, guest workload scaling, and incorrect troubleshooting approaches. Next, we will explore VKS cluster upgrades and how declarative rolling updates replace nodes safely without disrupting running workloads. #3V0-2425 #VCF9 #VMwareCertification