DOP-C02 · Question #421
DOP-C02 Question #421: Real Exam Question with Answer & Explanation
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Question
A DevOps engineer successfully creates an Amazon Elastic Kubernetes Service (Amazon EKS) cluster that includes managed node groups. When the DevOps engineer tries to add node groups to the cluster, the cluster returns an error that states, "NodeCreationFailure: Instances failed to join the Kubernetes cluster." The DevOps engineer confirms that the EC2 worker nodes are running and that the EKS cluster is in an active state. How should the DevOps engineer troubleshoot this issue?
Options
- AEnsure that the EKS cluster's VPC subnets do not overlap with the 172.17.0.0/16 CIDR range.
- BUse kubectl to update the kubeconfig file to use the credentials that created the cluster.
- CRun the AWSSupport-TroubleshootEKSWorkerNode runbook.
- DCreate an AWS Identity and Access Management (IAM) OpenID Connect (OIDC) provider for the
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