Explanation:
The correct answer is B. To deploy additional pods requiring n2-highmem-16 nodes without any downtime in your GKE cluster, you should create a new Node Pool and specify the machine type as n2-highmem-16. This approach allows you to add the new nodes to your existing cluster while keeping your current nodes (n1-standard-2) operational. This prevents any downtime or disruption to your existing services.
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Your current application, which is deployed on Google Kubernetes Engine (GKE), utilizes multiple pods distributed across four GKE n1-standard-2 nodes. You are required to deploy more pods that specifically require n2-highmem-16 nodes, and you must do this without causing any downtime. What actions should you take to achieve this?
A
Use gcloud container clusters upgrade. Deploy the new services.
B
Create a new Node Pool and specify machine type n2-highmem-16. Deploy the new pods.
C
Create a new cluster with n2-highmem-16 nodes. Redeploy the pods and delete the old cluster.
D
Create a new cluster with both n1-standard-2 and n2-highmem-16 nodes. Redeploy the pods and delete the old cluster.
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