Which of the following code print the name of operating system?

Which of the libs are exists in Node Core Libraries?

Which of the following provides in-built events?

Which of the following classes is the parent for repl.REPLServer class?

Which of the following variables you can use in modules?

Which of the following timers methods exists in Node.js?

Which of the following code gets length of a buffer buf?

What is the output when the following code is executed? var http = require('http'); var server = http.createServer(function(req, res) { res.writeHead(200, {'Content-Type': 'text/html'}); res.end(` Testing Response! ${req.url} ${req.method} `); }); server.listen(3000); console.log('Server listening on port 3000');

What is the output in console of this code? var events = require('events'); var myEventEmitter = new events.EventEmitter(); myEventEmitter.once('a', function () { console.log('a')}); myEventEmitter.on('b', function () { console.log('b')}); myEventEmitter.emit('a'); myEventEmitter.emit('b'); myEventEmitter.emit('a'); myEventEmitter.emit('b');

Which of the following is the correct way to get a normalized path? 

How can you access the command line arguments passed to your program?