This quick 10-minute challenge consists of 10 random multiple-choice questions that test your knowledge across various Docker topics, including the introduction to Docker, installation procedures, Docker images and containers, networking, Docker Compose, advanced concepts, deployment in production, security, and integration with CI/CD pipelines. Whether you’re a beginner or have some experience, this quiz is designed to enhance your understanding of Docker’s capabilities in modern software development.

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10 Minutes Docker Quiz Test Online

Welcome to the Docker Quiz! This quick 10-minute challenge consists of 10 random multiple-choice questions that test your knowledge across various Docker topics, including the introduction to Docker, installation procedures, Docker images and containers, networking, Docker Compose, advanced concepts, deployment in production, security, and integration with CI/CD pipelines. Whether you're a beginner or have some experience, this quiz is designed to enhance your understanding of Docker's capabilities in modern software development.

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1. How do you list all running containers?

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2. What command is used to add Docker’s official GPG key when installing on Linux?

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3. What is the purpose of the volumes key in a docker-compose.yml file?

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4. How do you specify a custom subnet when creating a Docker network?

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5. Which flag is used with docker-compose up to recreate containers even if they already exist?

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6. What role does Docker Swarm play in a CI/CD pipeline?

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7. How do you build all services defined in a Compose file?

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8. Which command updates a running service in Docker Compose?

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9. Which feature in Docker provides secure image signing and verification?

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10. What does the EXPOSE instruction in a Dockerfile do?

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