Microsoft Azure Administrator Associate AZ-104 Practice Question
An administrator needs to update the Kubernetes version of a cluster hosted in Azure to the latest supported release. Which action should the administrator take to accomplish this while keeping the cluster operational?
Upgrade each node pool individually by replacing the underlying virtual machines.
Apply a rolling upgrade using a deployment manifest file.
Delete the existing cluster and recreate it with the desired Kubernetes version.
Use the Azure CLI to perform an in-place upgrade of the cluster.
Using the Azure CLI to perform an in-place upgrade of the cluster is the appropriate method. The az aks upgrade command updates the control plane and agent nodes incrementally, ensuring the cluster remains operational throughout the process. Deleting and recreating the cluster would cause downtime and require reconfiguration. Upgrading node pools individually may lead to version mismatches and isn't the standard procedure for upgrading the entire cluster. Applying a rolling upgrade via a deployment manifest relates to application deployments, not to upgrading the cluster's Kubernetes version.
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Microsoft Azure Administrator Associate AZ-104
Deploy and manage Azure compute resources
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