Redux Toolkit MCQ RTK Practice Questions

Direction: Choose the correct option

What is Redux Toolkit?

A. A new version of Redux

B. A debugging tool

C. The official, opinionated toolset for efficient Redux development

D. A middleware library

Direction: Choose the correct option

Which function in Redux Toolkit simplifies creating a slice of state?

A. createSlice

B. createStore

C. createReducer

D. createAction

Direction: Choose the correct option

What does configureStore do?

A. Combines reducers

B. Configures the browser

C. Sets up a Redux store with good defaults (like middleware)

D. Creates a slice

Direction: Choose the correct option

How does createSlice handle immutability?

A. It requires immutable updates

B. It doesn't handle it

C. It throws errors on mutation

D. It uses Immer inside to allow writing mutable-like code

Direction: Choose the correct option

What is the purpose of createAsyncThunk?

A. To create thunks manually

B. To handle asynchronous logic and generate pending/fulfilled/rejected action types

C. To dispatch actions

D. To fetch data

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