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RTK Query
1. What is RTK Query and why was it introduced?
Level: Expert | Frequency: High
2. How is RTK Query different from createAsyncThunk?
Level: Expert | Frequency: High
3. What problem does RTK Query solve compared to traditional data fetching with Redux?
Level: Expert | Frequency: High
4. What are the two main APIs in RTK Query? (createApi and fetchBaseQuery)
Level: Expert | Frequency: High
5. How do you define an API slice using createApi()?
Level: Expert | Frequency: High
6. What’s the purpose of reducerPath in createApi()?
Level: Expert | Frequency: High
7. What are endpoints in RTK Query?
Level: Expert | Frequency: High
8. What’s the difference between query and mutation endpoints in RTK Query?
Level: Expert | Frequency: High
9. 9. How do you use auto-generated hooks from RTK Query (e.g., useGetPostsQuery)?
Level: Expert | Frequency: High
10. 10. How do you refetch data manually in RTK Query?
Level: Expert | Frequency: High
11. 11. How do you handle caching and invalidation in RTK Query?
Level: Expert | Frequency: High
12. 12. What are tags and how do they help in cache invalidation?
Level: Expert | Frequency: High
13. 13. How can you invalidate cache for specific queries?
Level: Expert | Frequency: High
14. 14. How do you customize request headers or authentication tokens in RTK Query?
Level: Expert | Frequency: High
15. 15. How do you handle request errors or loading states?
Level: Expert | Frequency: High
16. 16. How can RTK Query work with GraphQL or custom fetch logic?
Level: Expert | Frequency: High
17. 17. How does RTK Query handle deduplication of requests?
Level: Expert | Frequency: High
18. 18. How can you integrate RTK Query with server-side rendering (SSR)?
Level: Expert | Frequency: High
19. 19. How do you perform optimistic updates in RTK Query?
Level: Expert | Frequency: High
20. 20. How can you manually update the cache using updateQueryData?
Level: Expert | Frequency: High
21. 21. How do you reset or clear RTK Query cache programmatically?
Level: Expert | Frequency: High
22. 22. What are best practices for structuring RTK Query API slices in large apps?
Level: Expert | Frequency: High
All Topics
Basics
Slice
Actions
Reducers
RTK Query
Store
Thunk
Scenario Based