Why Node.js is based on single threaded architecture?

What are the different types of APIs available in Node.js?

How can we handle blocking I/O operations in Node.js?

What is the difference between Node.js and AngularJS?

How will you import external libraries in Node.js?

What happens if we call require() method to load same module multiple times in Node.js?

What are the popular REPL commands in Node.js?

What is NPM in Node.js?

Why Node.js application is scalable?

How will you convert a Buffer to JSON in Node.js?

Why do we use __filename in Node.js?

What is the use of Timers is Node.js?

What are the important APIs in Timers module in Node.js?

What is the use of net.Socket in Node.js?

What are the important events of net.Socket in Node.js?