Category: VCAP-VKS Certification
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VKS Cluster Autoscaler Install, Configuration and Upgrade (VCAP-VKS Exam Series, Part 22)
Objective 4.7 asks you to create, configure and upgrade autoscalers on VKS. This Part builds an autoscaled cluster from annotations, installs the package, measures six real scale up events, and walks the pause and repin sequence that an autoscaled upgrade demands.
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VKS Cluster Rolling Updates and Configuration Changes (VCAP-VKS Exam Series, Part 21)
A rolling update on a VKS cluster behaves differently depending on whether you changed the Kubernetes version or a configuration variable. Part 21 runs both against the reference estate, shows the output that lies to you, and covers objective 4.6.
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VKS Cluster Provisioning, Monitoring and Scaling Commands (VCAP-VKS Exam Series, Part 20)
Objective 4.5 asks you to provision, delete, monitor and scale VKS clusters with kubectl and the VCF CLI. Here is the full lifecycle on a VCF 9.0 estate, with the operations the Supervisor refuses and the one the VCF CLI cannot do at all.
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Harbor Supervisor Service and external-dns Add-on Lifecycle (VCAP-VKS Exam Series, Part 19)
Objective 4.4 is a lifecycle objective, not an install objective. Here is the Harbor Supervisor Service procedure end to end on VCF 9.0, the external-dns package that does not install the same way, and the deactivate then uninstall then delete order that vCenter enforces.
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vSphere Pod and VM Service Workload Deployment on a Supervisor (VCAP-VKS Exam Series, Part 18)
Objective 4.3 as one lab: a vSphere Pod and a VM Service virtual machine dropped into the same vSphere Namespace on VCF 9.0, with the real errors each model throws and the Supervisor setting sitting behind them.
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vSphere Namespaces and Zones, Configuration and Day Two Management (VCAP-VKS Exam Series, Part 17)
Objective 4.2 asks you to configure and manage vSphere Namespaces and Zones. Here is the runbook I use on a three zone VCF 9.0 Supervisor, the fields that lock at creation, and the CPU limit that quietly wedged an autoscaler for 41 minutes.
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Creating VKS Supervisor Clusters with NSX VPC, Segment, vDS and Avi (VCAP-VKS Exam Series, Part 16)
Three workload networks and three load balancer providers give nine pairings on paper and five legal ones in the product. Here is the activation matrix, the preflight per path, and the failures that stall a Supervisor at 68 percent.
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Istio Service Mesh Design for VKS Clusters (VCAP-VKS Exam Series, Part 15)
Objective 3.6 asks you to create an implementation of service mesh, not to name one. Here is how Istio actually lands on a VKS cluster, what sidecar and ambient mode cost in CPU and addresses, and the CNI choice that stops the install dead.
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Supervisor Cluster Enablement Process on VCF 9 (VCAP-VKS Exam Series, Part 14)
Objective 3.4 is about the process, not the wizard. Five management addresses instead of three, the decisions that lock at activation, and the enablement failures that cost a change window.
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vSphere Namespace Ingress and Egress Design Options (VCAP-VKS Exam Series, Part 13)
Objective 3.3 is an address design question, not a wizard question. How ingress and egress differ across the three Supervisor networking modes, which pool runs out first on a real estate, and what you can still change once the Supervisor is enabled.
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VKS Namespace Network Options and Their Implications (VCAP-VKS Exam Series, Part 12)
Objective 3.2 asks you to evaluate the implication for Namespace Network options. Here is what each of the three models commits you to, which fields lock the moment you click Create, and the subnet prefix arithmetic that decides how many VKS nodes a namespace will ever hold.
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VKS Load Balancer Sizing and Its Effect on Supervisor Functionality (VCAP-VKS Exam Series, Part 11)
Objective 3.1 is not about throughput. Load balancer sizing on VCF 9.0 decides whether a Supervisor enables at all, and this Part maps every shortfall to the exact symptom it produces.
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About the Author
Dr Pranay Jha
Dr. Pranay Jha is a Cloud and AI Consultant with 18+ years of experience in hybrid cloud, virtualization, and enterprise infrastructure transformation. He specializes in VMware technologies, multi-cloud strategy, and Generative AI solutions. He holds a PhD in Computer Applications with research focused on Cloud and AI, has published multiple research papers, and has been a VMware vExpert since 2016 and a VMUG Community Leader.
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