React-query quiz

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

How do you fire multiple queries in parallel?

1. How do you fire multiple queries in parallel?
2. What problem does TanStack Query (React Query) primarily solve?
3. What does `select` option on `useQuery` do?
4. What does the React Query Devtools panel show?
5. How does React Query handle multiple components calling `useQuery` with the same key in the same render pass?
6. What does `staleTime` control?
7. What does `gcTime` (formerly `cacheTime`) do?
8. You must wrap your app in:
9. Which hook performs writes (POST/PATCH/DELETE)?
10. How can you avoid duplicating query keys across the app?
11. What is the role of `queryKey`?
12. After a successful `useMutation`, how do you keep dependent queries up to date?

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