What is the purpose of the useState hook in React?

• To bind an event handler to an element.

• To bind a value to the props of a component.

• To manage the component's state

• To manage the component's context

What is missing from the code below?

 import { useState } from "react";

 export default function App() {
   const [restaurantName, setRestaurantName] = useState();
   return <h1>{restaurantName}</h1>;
 }

• The setRestaurantName function.

• The useState hook import statement

• useReducer hook was not used

• An initial value for the state variable restaurantName

Controlled components keep their internal state in the DOM

• True

• False

What is unit testing in React?

• A type of testing that ensures that individual units of code are working as intended.

• A type of testing that ensures that a complete application is working as intended.

• A type of testing that involves manually testing a component's UI.

• A type of testing that ensures that a component's props and state are correctly being passed down to its children.

What is the main difference between the useState and useReducer hooks in React?

• useState is used for managing component state, while useReducer is used for managing the component lifecycle.

• useState is used for managing component state, while useReducer is used for managing the component's UI.

• useState is used for managing component state, while useReducer is used for managing global state.

• useState is used for simple state updates, while useReducer is used for complex state updates.