1)What are the key features of React? 2)Explain the virtual DOM and its importance in React. 3)Differentiate between functional components and class components. 4)How does state differ from props in React? 5)What is Node.js and why is it used in the MERN stack? 6)Explain the event-driven architecture of Node.js. 7)How does Node.js handle asynchronous operations? 8)What is npm? Can you explain the purpose of package.json? 9)Describe the process of setting up a MERN stack application 10)How do you secure a MERN stack application?
