You are running a Kubernetes cluster with three nodes. One node experiences a hardware failure. Which of the following Kubernetes features ensures that your application remains available and running?

• A.Horizontal Pod Autoscaling
• B.Node affinity
• C.Pod Disruption Budgets
• D.Self-healing
• E.Rolling updates

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You are running a web application in Kubernetes. The application uses a database that is accessed by multiple Pods. You want to ensure that the database connection details are securely stored and accessed by the Pods. Which Kubernetes feature would you use for this purpose?

• A.ConfigMap
• B.Secret
• C.PersistentVolumeClaim
• D.Service
• E.Namespace

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You are running a web application with a high demand for CPU resources. Which Kubernetes scheduling strategy could help you ensure pods are scheduled on nodes with the most available CPU capacity?

• A.Node affinity
• B.Pod affinity
• C.Node anti-affinity
• D.Pod anti-affinity
• E.Taints and tolerations

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What are the key differences between a Kubernetes Pod and a Docker container? Provide examples of how they are used in a Kubernetes deployment.

• A.A Pod is a single running container, while a Docker container can run multiple applications.
• B.A Pod is a logical grouping of one or more containers, while a Docker container is a single running instance of an image.
• C.A Docker container is managed by Kubernetes, while a Pod is managed by Docker.
• D.A Pod is a physical machine, while a Docker container is a virtual machine.
• E.A Pod is a cloud-native application, while a Docker container is a traditional application.

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You have a Kubernetes cluster running on AWS. You need to ensure that only approved container images are used in your cluster. Which Kubernetes feature can you use to enforce this policy?

• A.Network Policies
• B.Pod Security Policies
• C.Admission Controllers
• D.Resource Quotas
• E.Service Accounts

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