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

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');

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');

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

Which of the following code converts a buffer buf to JSON object?

What output will this code produce in the console? const EventEmitter = require('events'); const myEmit = new EventEmitter(); myEmit.on('slick', () => {}); myEmit.on('key', () => {}); const symbol = Symbol('init'); myEmit.on(symbol, () => {}); console.log(myEmit.eventNames());

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

Which of the following provides in-built events?

Which of the libs are exists in Node Core Libraries?

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

Which are the below NodeJS features?