Scalable web applications on Kubernetes Quiz Answers

Get Scalable web applications on Kubernetes Quiz Answers

This mini course walks you through how to scaffold a web application, run it locally in a container, and then deploy it to a Kubernetes cluster created with Kubernetes Service. Additionally, you will learn how to bind a custom domain, monitor the health of the environment, and scale the application.

Containers are a standard way to package apps and all their dependencies so that you can seamlessly move the apps between environments. Unlike virtual machines, containers do not bundle the operating system. Only the app code, run time, system tools, libraries, and settings are packaged inside containers. Containers are more lightweight, portable, and efficient than virtual machines.

For developers looking to kickstart their projects, the IBM Cloud Developer Tools CLI enables rapid application development and deployment by generating template applications that you can run immediately or customize as the starter for your own solutions. In addition to generating starter application code, Docker container image and CloudFoundry assets, the code generators used by the dev CLI and web console generate files to aid deployment into Kubernetes environments. The templates generate Helm charts that describe the application’s initial Kubernetes deployment configuration, and are easily extended to create multi-image or complex deployments as needed.

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Question: Which statement is true about Containers?

  • Containers are a standard way to package apps and all their dependencies.
  • Containers make it easier to move apps between environments
  • Containers are more lightweight, portable, and efficient than virtual machines.
  • All of the above.

Question: The IBM Cloud Developer Tools CLI enables rapid application development and deployment by generating template applications.

  • True
  • False

Question: Which Kubernetes object manages external access to the services in a cluster, typically via HTTP?

  • Deployment
  • ReplicaSet
  • Ingress
  • Volume

Question: What sentence best defines Helm?

  • Helm allows to monitor your cluster health and to automatically apply corrective actions.
  • Helm helps you manage Kubernetes applications — Helm Charts help you define, install, and upgrade even the most complex Kubernetes application.
  • Helm is to Kubernetes what npm is to Node.js.

Question: Your application exposed one service, accessible from outside of the cluster. Which port type did it use?

  • ClusterIP
  • NodePort
  • LoadBalancer
  • ExternalName

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