2V0-13.25 Exam Dumps : VMware Cloud Foundation 9.0 Architect

In VMware Cloud Foundation 9.0, vSphere Lifecycle Manager (vLCM) with composite images is the recommended method for managing host lifecycle. However, when using hardware of different generations, it's not advisable to use a single composite image across clusters with hardware inconsistencies due to potential compatibility mismatches with firmware and drivers.

By using separate vLCM composite images for each cluster (i.e., management and workload), the architect ensures that each cluster's image is optimized for its specific hardware generation, reducing the risk of driver/firmware issues during updates or drift remediation.

This design aligns with the principle of cluster-level lifecycle independence, especially important when working with a mix of hardware generations.

The VMware Cloud Foundation 9.0.4 Documentation explicitly defines the four key component areas provided by a VKS cluster:

“The components that run in a VKS cluster span four areas: Authentication and authorization, storage integration, pod networking, and load balancing.”

These components are implemented as follows:

Authentication webhook: validates user access tokens.

Container Storage Interface (CSI): integrates with VMware Cloud Native Storage (CNS).

Container Network Interface (CNI): provides pod-level networking (Antrea or Calico).

Cloud Provider Implementation: enables Kubernetes LoadBalancer service creation.

This holistic integration ensures secure, scalable, and production-grade operation of Kubernetes workloads within vSphere Supervisor.

References (VMware Cloud Foundation documents):

VMware Cloud Foundation 9.0.4 Architecture Guide — “VKS Cluster Components.” (pp. 5637–5639)

VMware Cloud Foundation 9.0.4 Workload Management Overview — “VKS Functional Architecture and Services.”

Since the constraint is existing stretched cluster model, the design assumes a single cluster across two sites.

To meet the minimize downtime requirement, the Single Management Zone Supervisor with HA control plane ensures control plane resiliency within that stretched cluster.

Options with “Simple Availability” do not meet the high availability requirement. Options with three zones are not applicable because the constraint specifies a stretched cluster model.