A representation of a user interface that is kept in memory and is synced with the "real" DOM is called what?

To create a constant in JavaScript, which keyword do you use?

What do you call a React component that catches JavaScript errors anywhere in the child component tree?

In which lifecycle method do you make requests for data in a class component?

React components are composed to create a user interface. How are components composed?

All React components must act like _ with respect to their props.

Which of the following is the correct syntax for creating a ReactElement of type h1 having the properties object and a ReactText as its only child?

Which of the following is the correct syntax of React function that will enforce that names are written with all uppercase letters?

Which of the following options is the correct syntax for installing Redux via command prompt?

Which of the following is the correct syntax for adding a file named index.html via command prompt to your React environment? (Consider that reactApp is the root folder.)

Which of the following options is the correct syntax for installing React CSS Transitions Group?