Practice Questions

Test your understanding with targeted questions related to the topic.

Question 1

Easy

What is a Docker container?

πŸ’‘ Hint: Think about what a container needs to run an application.

Question 2

Easy

What command is used to build a Docker image from a Dockerfile?

πŸ’‘ Hint: Recall the command structure starting with 'docker build'.

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Interactive Quizzes

Engage in quick quizzes to reinforce what you've learned and check your comprehension.

Question 1

What is the primary benefit of using Docker containers?

  • A) Speed
  • B) Consistency
  • C) Size

πŸ’‘ Hint: Think about the problem Docker solves in development.

Question 2

True or False: A Docker container can run independently without a Docker image.

  • True
  • False

πŸ’‘ Hint: Consider what a container is created from.

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Challenge Problems

Push your limits with challenges.

Question 1

Design a Docker container for a React application that also needs to connect to a Node.js backend. Provide a Docker Compose file that links these containers together.

πŸ’‘ Hint: Think about the necessary services and their connections.

Question 2

A student created a Dockerfile but it results in errors during the build process. Analyze potential errors in the Dockerfile commands and recommend changes.

πŸ’‘ Hint: Check that each step logically follows to prepare the application.

Challenge and get performance evaluation