Which of the following engine built of NodeJS framework/platform?

Which are the below NodeJS features?

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?

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 code converts a buffer buf to JSON object?

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');