Answer-first summary for fast verification
Answer: Execute the command `gcloud config set container/cluster prod` to set 'prod' as the default cluster.
Option A is correct because the `gcloud config set container/cluster prod` command specifically sets the default cluster for the gcloud CLI to 'prod', ensuring all subsequent commands target this cluster without needing to specify it each time. Options B, C, and D are incorrect as they either perform different functions (B updates cluster properties) or involve non-standard methods (C and D use files not recognized by gcloud CLI for default cluster settings). For more details, refer to [Google Cloud's documentation on managing clusters](https://cloud.google.com/kubernetes-engine/docs/how-to/managing-clusters).
Author: LeetQuiz Editorial Team
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As a member of the Kubernetes and Infrastructure Admin team for a digital news app, you're managing a GKE cluster named 'prod'. What's the best way to configure your local gcloud CLI to default to this cluster for all commands?
A
Execute the command gcloud config set container/cluster prod to set 'prod' as the default cluster.
B
Use the command gcloud container clusters update prod to update the cluster settings.
C
Place a file named gke.default with the cluster name in the ~/.gcloud directory.
D
Create a defaults.json file in the ~/.gcloud directory containing the cluster name.
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