Node JS MCQ Online Test

2. Node.js is written in _____________ .

• Javascript
• C
• C++
• All of the Above

3. Is node js multithreaded?

• Yes
• No

4. Which extension is used to save NodeJs files?

• .js
• .node
• .java
• .txt

5. In Node process is ______

• Global Object
• Local Object

6. Node Js is _________

• Asynchronous
• Synchronous

7. Which function is used to include modules in Node Js.

• include();
• require();
• attach();

8. Which of following is not builtin node module.

• zlib
• https
• dgram
• fsread

9. How Node.js modules are availble externally

• module.exports
• module.spread
• module.expose
• None of Above

10. What does the fs module stand for?

• File Service
• File System
• File Store

11. What is the default scope in Node.js application.

• Local
• Public
• Private
• Global

12. Which of the following are not Node.js web application frameworks for?

• Express.js
• Geddy
• Aurelia
• Locomotive

13. Which of the following template engines can be used with Node.js?

• Jade
• Vash
• Handlebars
• All of the above

14. Which method returns the current working directory of the process.

• process.cwd();
• cwd();
• pwd();

15. In which of the following areas, Node.js is perfect to use?

• I/O bound Applications
• Data Streaming Applications
• Data Intensive Realtime Applications DIRT
• All of the above.

16. REPL stands for.

• Read Eval Print Loop
• Research Eval Program Learn
• Read Earn Point Learn
• Read Eval Point Loop

17. Command to start Node REPL

• $ node start
• $ node
• $ node repl
• $ node console

18. For What npm stands?

• Node Project Manager
• Node Package Manager
• New Project Manager
• New Package Manager

19. Command to show installed version of Node?

• $ npm --version
• $ node --version
• $ npm getVersion
• $ node getVersion

20. Command to list all modules that are install globally?

• $ npm ls -g
• $ npm ls
• $ node ls -g
• $ node ls

21. What is Callback?

• Callback is an asynchronous equivalent for a function.
• Callback is a technique in which a method call back the caller method.
• Both of the above.
• None of the above.

22. A stream fires finish event when all data has been flushed to underlying system.?

• True
• False

23. Node.js uses an event-driven, non-blocking I/O model ?

• True
• False

24. Which of the following module is required for path specific operations ?

• Os module
• Path module
• Fs module
• All of the above.

25. Which of the following are Node.js streams types?

• Writable
• Duplex
• Readable
• All of the above

26. How do you install Nodemon using Node.js?

• npm install -g nodemon
• node install -g nodemon

27. How do you kill a process in Node.js?

• Ctrl + C
• Ctrl + B
• Ctrl + K

28. Node uses _________ engine in core.*

• Chorme V8
• Microsoft Chakra
• SpiderMonkey
• Node En

29. Something that happened in our application that we can respond too.

• events
• actions
• procedures
• callback

30. Which statement executes the code of sample.js file?

• sample.js
• node sample.js
• nodejs sample.js
• None of above

31. Which of the following is not a benefit of using modules?

• Provides a means of dividing up tasks
• Provides a means of reuse of program code
• Provides a means of reducing the size of the program
• Provides a means of testing individual parts of the program