GraphQL quiz

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

How does a GraphQL response indicate that part of the query failed?

1. How does a GraphQL response indicate that part of the query failed?
2. What is the difference between `Query`, `Mutation`, and `Subscription` root types?
3. What is an inline fragment used for?
4. What is a GraphQL variable?
5. Which of these is a built-in GraphQL scalar type?
6. What is GraphQL introspection?
7. What is the purpose of an `interface` in a GraphQL schema?
8. What is an enum used for in GraphQL?
9. How does a `union` differ from an `interface`?
10. What does `[Post!]!` mean as a return type?
11. A `@deprecated` directive in SDL is used to:
12. How is a GraphQL query typically sent over HTTP?

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