What is Callback? 

REPL stands for :

What is the syntax to list all commands in REPL?

Which code will return total system memory in bytes? os is included like this: const os = require('os');

Which of the following is true about writable stream?

What does the following line of code do? var http = require('http');

Which of the following methods is used to check modifications in files?

How to Terminate Node REPL using the following short key?

Which of the following is not a HTTP method?

Which of the following statement is valid?

Which of the following code is valid to get a joint path?