Node.JS MCQ Questions and Answers for Practice

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

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

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

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

3. APIs of Node.JS are

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

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

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

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

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

6. The Node.js modules can be exposed using

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

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

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

8. To install Node.js express module

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