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This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is the purpose of process object? |
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| 2. |
What is the purpose of console object? |
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| 3. |
What is the purpose of setInterval function? |
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| 4. |
What is the purpose of clearTimeout function? |
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| 5. |
What is the purpose of setTimeout function? |
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| 6. |
What is the purpose of __dirname variable? |
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| 7. |
What is the purpose of __filename variable? |
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| 8. |
How will you read a directory? |
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| 9. |
How will you delete a directory? |
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| 10. |
How will you create a directory? |
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| 11. |
How will you delete a file using Node? |
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| 12. |
How will you truncate a file using Node? |
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| 13. |
How will you get information about a file using Node? |
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| 14. |
How will you close a file using Node? |
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| 15. |
How will you write a file using Node? |
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| 16. |
How will you read a file using Node? |
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| 17. |
How will you open a file using Node? |
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| 18. |
What is Chaining in Node? |
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| 19. |
Name some of the events fired by streams. |
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| 20. |
How many types of streams are present in Node. |
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| 21. |
What are streams? |
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| 22. |
Name some of the flags used in read/write operation on files. |
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| 23. |
What is difference between synchronous and asynchronous method of fs module? |
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| 24. |
fs module provides both synchronous as well as asynchronous methods. |
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| 25. |
Which module is used for web based operations? |
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| 26. |
Which module is used for buffer based operations? |
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| 27. |
Which module is used for file based operations? |
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| 28. |
What is Piping in Node? |
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| 29. |
What is purpose of Buffer class in Node? |
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| 30. |
What is Event Emmitter? |
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| 31. |
What is Event Loop? |
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| 32. |
How Node prevents blocking code? |
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| 33. |
What is a blocking code? |
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| 34. |
What is Callback? |
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| 35. |
How to update a dependency using npm? |
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| 36. |
How to uninstall a dependency using npm? |
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| 37. |
Name some of the attributes of package.json? |
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| 38. |
What is Package.json? |
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| 39. |
How to check the already installed dependencies which are globally installed using npm? |
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| 40. |
What is local installation of dependencies? |
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| 41. |
What is global installation of dependencies? |
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| 42. |
What is npm? |
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| 43. |
What is the use of Underscore variable in REPL? |
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| 44. |
What is the difference of using var and not using var in REPL while dealing with variables? |
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| 45. |
Can we evaluate simple expression using Node REPL |
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| 46. |
What is REPL in context of Node? |
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| 47. |
Is Node a single threaded application? |
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| 48. |
Is it free to use Node.js? |
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| 49. |
What are the benefits of using Node.js? |
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| 50. |
What do you mean by Asynchronous API? |
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