Github-actions quiz

Test your Github-actions knowledge with a free interactive quiz — 50 questions with answers and explanations. No signup needed to play.

How do you reference an environment variable in a step?

1. How do you reference an environment variable in a step?
2. What does `actions/setup-node@v4` do?
3. What is the top-level structure of a workflow?
4. What is a "reusable workflow"?
5. How do you store and use a secret like an API token?
6. How do you let users run a workflow manually from the GitHub UI?
7. Where do workflow files live in a repository?
8. How do you cache dependencies across runs to speed up workflows?
9. How do you upload build artifacts to share between jobs?
10. What is a "composite action"?
11. Which key declares the OS/runner image for a job?
12. How do you conditionally run a step?

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