Learn Node Js MCQs

Prepare Node Js MCQs (Multiple choice Questions) for exam and job interviews.

Which method is used to read a file asynchronously in Node.js?

1) fs.read()

2) fs.readData()

3) fs.readFile()

4) fs.getFile()

Answer : Option 3

What does `tls.createServer()` do?

1) Creates a TCP server

2) Creates a UDP server

3) Creates a secure TLS/SSL server

4) Creates an HTTP server

Answer : Option 3

How do you join an array of strings into a single string in Node.js?

1) array.joinAll()

2) array.merge()

3) array.join()

4) array.concat()

Answer : Option 3