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 does `docker logs` show?
3. What does `docker pull` do?
4. What is a Dockerfile?
5. What does `docker build` do?
6. What does `docker-compose up` do?
7. What is container orchestration?
8. What does `docker ps` show?
9. What is the `FROM` instruction in a Dockerfile?
10. What is the difference between `CMD` and `ENTRYPOINT` in a Dockerfile?
11. What does the `EXPOSE` instruction do in a Dockerfile?
12. What is a Docker volume?

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