Docker quiz

Test your Docker knowledge with a free interactive quiz — 46 questions with answers and explanations. No signup needed to play.

What is the difference between a Docker image and a container?

1. What is the difference between a Docker image and a container?
2. What is the purpose of `WORKDIR` in a Dockerfile?
3. What is the Docker daemon?
4. What does `docker pull` do?
5. What does `docker ps` show?
6. What is the `FROM` instruction in a Dockerfile?
7. What does `docker logs` show?
8. What does the `EXPOSE` instruction do in a Dockerfile?
9. What does `docker run` do?
10. What is the purpose of `.dockerignore`?
11. What does `docker build` do?
12. What environment variables can you set in a Dockerfile?

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