Node.JS MCQ Questions and Answers for Practice

1. In Nodejs what is use of underscore variable in REPL session

1. to get the last result.
2. None of the above
3. to store the result.
4. to get the last command used.

2. Which of the following is true about Chaining streams ?

1. Both of the above
2. None of the above
3. Chanining is a mechanism to connect output of one stream to another stream and create a chain of multiple stream operations.
4. Chanining is normally used with piping operations.

3. APIs of Node.JS are

1. Both of the above.
2. None of the above.
3. Asynchronous
4. Synchronous

4. Which of the following is true about RESTful web services?

1. Both of the above
2. None of the above
3. Webservices based on REST Architecture are known as RESTful web services
4. Webservices uses HTTP methods to implement the concept of REST architecture

5. Which statement execute the code of sample.js file?

1. sample.js
2. None of the above
3. nodejs sample.js
4. node sample.js

6. The Node.js modules can be exposed using

1. module.exports
2. None of the above
3. module.expose
4. module

7. How can we check the cujrrent version of NPM?

1. npm help
2. None of the above
3. npm --version
4. npm --ver

8. To install Node.js express module

1. $ install express
2. None of the above
3. $ npm install express
4. $ node install express

9. The $ npm ls statement is used to list down all the locally installed module?

1. True.
2. False.

10. Which of the following class is used to create and consume custom events in Node.js?

1. NodeEvent
2. None of the above
3. EventEmitter
4. Events