Events Module MCQ | Node.js Event Emitter Multiple Choice Questions

Direction: Choose the correct option

What is the `events` module used for in Node.js?

A. To handle HTTP requests

B. To work with the event emitter pattern

C. To manage file system events

D. To schedule timers

Direction: Choose the correct option

How do you create an event emitter instance?

A. const emitter = events.create();

B. const emitter = require('events')();

C. const EventEmitter = require('events'); const emitter = new EventEmitter();

D. const emitter = new events();

Direction: Choose the correct option

Which method is used to listen for an event?

A. Both B and C

B. emitter.once()

C. emitter.emit()

D. emitter.on()

Direction: Choose the correct option

What does `emitter.emit('event', data)` do?

A. It creates a new event

B. It checks if an event exists

C. It removes all listeners

D. It triggers all listeners for 'event' and passes data

Direction: Choose the correct option

How can you remove a specific listener?

A. emitter.removeAllListeners(event)

B. emitter.off(event, listener)

C. Both A and B

D. emitter.removeListener(event, listener)

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