You are running a Kubernetes cluster with multiple nodes. Your application's Pods need to be scheduled across different nodes for high availability. Which Kubernetes concept allows you to control the distribution of Pods across the cluster?

• A.Pod Security Policy
• B.Node Affinity
• C.Service
• D.Deployment
• E.Ingress

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Consider the following Kubernetes YAML definition for a Deployment:

Which of the following statements about this Deployment are true?

• A.The Deployment will create 3 Pods with the label 'app: nginx'.
• B.The Deployment will only create Pods with the label 'app: nginx' if a corresponding Service exists.
• C.The Deployment will use the 'nginx:l. 14.2' image to create the Pods.
• D.The Deployment will expose the Pods on port 80.
• E.The Deployment will create a Service that exposes the Pods on port 80.

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You are implementing a new security policy for your Kubernetes cluster. The policy requires that all pods running in the cluster must authenticate with a specific identity provider before they are allowed to access any resources. Which Kubernetes component is responsible for enforcing this authentication policy?

• A.kubelet
• B.etcd
• C.kube-proxy
• D.kube-apiserver
• E.kubectl

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You are managing a Kubernetes cluster using GitOps principles. Which of the following tools would you use to monitor the state of your cluster and trigger actions based on changes in your Git repository?

• A.kubectl
• B.Flux
• C.Helm
• D.Prometheus

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You are migrating a monolithic application to a microservices architecture on Kubernetes. You choose to use Istio to manage the communication between these new services. Which of the following is NOT a benefit of adopting Istio in this scenario?

• A.Istio simplifies the process of migrating existing code to a microservices architecture
• B.Istio provides a consistent way to handle network calls and security across all microservices
• C.Istio helps in achieving better scalability and fault tolerance for microservices
• D.Istio's control plane simplifies the deployment and management of microservices
• E.Istio allows for easier debugging and troubleshooting of complex microservice interactions

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