Docker Interview Q&A Vol 1.0


Docker Interview Q&A Vol 1.0

Questions 30

Check the complete list of questions:

  1. What is default network driver available in Docker?
  2. How you can create Docker image?
  3. What are three possible types of communication between Docker client and Docker daemon?
  4. Refer the following exhibit: With respect to memory utilization which concept is more efficient and why?
  5. What is Dockerfile?
  6. Explain Docker Swarm?
  7. What is the difference between Docker image and Docker container?
  8. Explain Docker compose?
  9. What is Docker Hub?
  10. Explain Docker container states?
  11. What is the difference between a Docker registry and a Docker repository?
  12. Can you run Docker on Cloud platforms?
  13. What Docker tools could be used for monitoring in production?
  14. What is docker-compose.yml?
  15. What is memory-swap flag in Docker?
  16. Explain the use of the Docker save command?
  17. Explain overlay network driver in Docker?
  18. How to use a JSON file with Docker compose?
  19. What are three components of Docker architecture?
  20. How to list both running and stopped Docker containers?
  21. How to start an interactive centos Docker container with bash shell session?
  22. How can we get the number of containers running, stopped and paused?
  23. Suppose you have 2 running containers with Container ID e0f8edf764cd and 1d6bf174985a. How do you access Bash Shell of a running container 1d6bf174985a?
  24. What are the differences between Docker and virtual machines?
  25. Suppose you have Docker image centos/httpd. How do you run image as container and bind the container’s port 80 to host’s port 8081?
  26. In a Dockerfile what is the difference between CMD and ENTRYPOINT instructions?
  27. What is the difference between bind mounts and volumes in Docker?
  28. Is it possible to remove a paused container from Docker?
  29. What is Container Orchestration?
  30. Write a Dockerfile to build Apache web server Docker image based on centos 7. Docker container should start httpd server and listen on port 80.



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