What is React?
How React works? How Virtual-DOM works in React?
What are the pros and cons of using React?
What is JSX?
What is React.createClass?
What is React.createElement?
What is ReactDOM and what is the difference between ReactDOM and React?
What is the difference between a Presentational component and a Container component?
What are the differences between a class component and functional component?
What is the difference between state and props?
Name the different React lifecycle methods.
Where in a React component should you make an AJAX request?
What are controlled components?
What are refs used for in React?
What is a higher order component?