What will be the output of the following Node.js code snippet?

var EventEmitter = require("events").EventEmitter;

Var er = new EVentEmitter();

var handler1 = function () {

console.log('Called the handler');

er.removeListener('example', handler1); };

er.on('example', handler1);

er.emit('example');

er.emit('example');

Choose True or False. In MongoDB, it is possible to insert two values with same_id values into a collection.

What will be the output of the following program?var name = 'John';var dob = 15;console.log('%s was born on %d May, 1987', name, dob)

Which of the following command line arguments can be used to convert a file named 'base3.js' into an AMD module?

State if true or false. In node.js, applications are processed asynchronously on a single thread.

Which of the following operators checks whether the given f‌ield is an array and contains all the values in the given array of values or not?

In Express, which of these would NOT expose the variable 'title' to the template renderer?

What would be the value after that the timeouts has been fired? var x = 0; function callback(err,result){ if (err) { x--; return; } x++; } setTimeout(callback,10); setTimeout(callback,10,'Error');

Which of the following is not a global object in node.js?

The http.ServerResponse is an example of a what?

Which Express middleware must come before express.session() in your stack?