Quiz for Redux Toolkit

Q1: What is Redux Toolkit?

A. Official, recommended Redux toolset B. Third-party middleware C. UI component library D. Testing framework

Q2: Which function creates a Redux store with good defaults?

A. configureStore B. createStore C. createReducer D. applyMiddleware

Q3: What does createSlice do?

A. Generates action creators and reducers B. Creates React components C. Manages side effects D. Creates store

Q4: Which middleware is included by default in configureStore?

A. Redux Thunk B. Redux Saga C. Redux Logger D. None

Q5: How does Redux Toolkit help with immutable updates?

A. Uses Immer internally B. Requires manual immutability C. Uses lodash D. No immutability support

Q6: What is a benefit of using createAsyncThunk?

A. Simplifies async actions B. Creates synchronous actions C. Creates reducers D. Creates store

Q7: How do you define initial state in createSlice?

A. Using initialState property B. Using createState() C. In store config D. By dispatching init action

Q8: What does the reducers field in createSlice contain?

A. Reducer functions handling actions B. React components C. Middleware D. State variables

Q9: Can you generate action creators automatically with createSlice?

A. Yes, for each reducer B. No, must create manually C. Only for async actions D. Only for middleware

Q10: Is it necessary to use Redux Toolkit with React?

A. No, but recommended B. Yes, mandatory C. Only for Redux Saga D. Only for class components

Q11: How do you integrate Redux Toolkit with React?

A. Using React-Redux hooks and Provider B. Using Context API C. Using React Router D. Using Redux Saga

Q12: What helper does Redux Toolkit provide for writing reducers?

A. createReducer B. combineReducers C. applyMiddleware D. createStore

Q13: How does Redux Toolkit affect boilerplate code?

A. Reduces it significantly B. Increases it C. No effect D. Removes all code

Q14: Can Redux Toolkit be used for complex async flows?

A. Yes, with createAsyncThunk B. No, only simple sync C. Only with Saga D. Only with Thunk

Q15: Does Redux Toolkit support TypeScript?

A. Yes, fully supported B. No C. Only partial D. Only with external plugins

Q16: What is the purpose of the extraReducers field in createSlice?

A. To handle actions outside the slice B. To define initial state C. To create store D. To apply middleware

Q17: Is manual immutable update code required with Redux Toolkit?

A. No, Immer handles it B. Yes, always required C. Only for async D. Only for reducers

Q18: Can Redux Toolkit replace older Redux code?

A. Yes, it simplifies migration B. No, completely different C. Only for new apps D. Only with middleware

Q19: Which package provides Redux Toolkit?

A. @reduxjs/toolkit B. redux-toolkit C. react-redux-toolkit D. redux-tool

Q20: How do you debug Redux Toolkit state changes?

A. Use Redux DevTools extension B. Use React DevTools C. Use Chrome console D. Use Redux Logger