React Quiz

What is the primary use of the Context API in React?

• To manage styles

• To fetch data from an API

• To share state across components without prop drilling

• To create new components

Which of the following is true about React props?

• Props can be modified inside the child component

• Props are used to store local component data

• Props allow passing data from parent to child

• Props are used to fetch data

In React, what HTTP method is used to update an existing resource via an API?

• GET

• POST

• PUT

• DELETE

Which hook is commonly used to fetch API data in functional components?

• useState

• useRef

• useEffect

• useMemo

How do you provide a value in React Context?

What is the default data flow in React?

• Child to parent

• Circular

• Parent to child

• Bi-directional

Which of these methods is used to delete a resource via an API?

• POST

• PUT

• DELETE

• GET

How do you access context in a class component?

• useContext(Context)

• Context.get()

• this.useContext()

What happens if you mutate props inside a child component?

• The change reflects in parent

• React throws an error

• It violates React's unidirectional data flow

• It improves performance

Which is NOT a valid React Hook?

• useEffect

• useReducer

• useProps

• useCallback