Which of the following code snippets should be added at the top of those files that use the mongodb module?

Carefully study the following code snippet and answer the question that follows. var exp = require('express'); var application1 = exp() .use(function (rq, rs){ console.log('Cookie Header:\n', rq.headers['cookie']); rs.cookie('\n name', 'Node.js'); rs.end('Hello Express World'); }).listen(3000); Which of the following code snippets should be added at the top of those files that use the mongodb module?

A module 'rimraf' is installed locally in a Node.js project. The following code snippet is supposed to delete a directory named testing2 from the same project however the code contains some errors identify which code lines contain an error. 1.var rim1 = require('rimraf'); 2.rimraf('./Testing2', function(error1)){ 3. if(error1) console.log('This is an error', error1); 4. else console.log('Directory deleted successfully'); 5.}

What output will be generated on the execution of the following lines of code? var path = require('path'); console.log(path.join('test1'. 'ltest2'. 'test3'));

The following code snippet when executed, should create a web server that serves the web page 'idx.html' from 'testing5' folder. However, the syntax of lines 3 and 4 are not correct. Select the correct replacements of lines 3 and 4 from the given answer options. 1. var exp = require ('express'); 2. var serveStatic = require ('serve-static'); 3. var app = express() 4. .use(serveStatic(dirname /testing5, {'index': ['idx.html']})) 5. .listen(3000);

What is the purpose of using URL hashes in Node.js?

Which of the following methods can be used to read the contents of a directory?

Which of the following statements are true about the child_process module in Node.js?

Which of the following statements are true about the module.exports object in Node.js?

Which of the following will open a file, then read its contents one line at a time?

Which of the following will open a file, then read its contents one line at a time?