Node JS Interview Masterclass: Top 200 Questions (PDF)(2024)

Course Curriculum

Chapter 1: Course Introduction and Structure

Lecture 1: Course Structure (PDF books attached in resources)

Chapter 2: Node.js Basics

Lecture 1: Node.js – Basics

Lecture 2: Q1. What is Node.js?

Lecture 3: Q2. How Node is a runtime environment on server side? What is V8?

Lecture 4: Q3. What is the difference between Runtime environment & Framework?

Lecture 5: Q4. What is the difference between Node.js & Express.js?

Lecture 6: Q5. What are the differences between Client-Side(Browser) & Server-Side(Node.js)

Chapter 3: Main Features of Node.js

Lecture 1: Main Features of Node.js

Lecture 2: Q6. What are the 7 Main Features of Node.js?

Lecture 3: Q7. What is Single Threaded Programming?

Lecture 4: Q8. What is Synchronous Programming?

Lecture 5: Q9. What is Multi Threaded Programming?

Lecture 6: Q10. What is Asynchronous Programming?

Lecture 7: Q11. What is the difference between Synchronous & Asynchronous programming?

Lecture 8: Q12. What are Events, Event Emitter, Event Queue, Event Loop & Event Driven?

Lecture 9: Q13. What are the main features & advantages of Node.js?

Lecture 10: Q14. What are the disadvantages of node? When to use and when not to use Node?

Chapter 4: Project Setup & Modules

Lecture 1: Project Setup & Modules

Lecture 2: Q15. How to setup node.js project?

Lecture 3: Q16. What is NPM? What is the role of node_modules folder?

Lecture 4: Q17. What is the role of package.json file in Node?

Lecture 5: Q18. What are Modules? What is the difference between a function & module?

Lecture 6: Q19. How many ways are there to Export a module?

Lecture 7: Q20. What will happen if you don’t export the module?

Lecture 8: Q21. How to import single and multiple functions from a module?

Lecture 9: Q22. What is module wrapper function?

Lecture 10: Q23. What are the Types of modules in Node?

Chapter 5: Top built in modules

Lecture 1: Top built in modules

Lecture 2: Q24. What are the Top 5 built in modules commonly used in node projects?

Lecture 3: Q25. Explain the role of fs module? Name some functions of it?

Lecture 4: Q26. Explain the role of path module? Name some functions of it?

Lecture 5: Q27. Explain the role of OS module? Name some functions of it?

Lecture 6: Q28. Explain the role of events module? How to handle events in Node?

Lecture 7: Q29. What are Event Arguments?

Lecture 8: Q30. What is the difference between a function and an event?

Lecture 9: Q31. What is the role of http module in node?

Lecture 10: Q32. What is the role createServer() method of http module?

Chapter 6: Express – Basics

Lecture 1: Express – Basics

Lecture 2: Q33. What are the advantages of using Express.js with Node.js?

Lecture 3: Q34. How do you install Express.js in a Node.js project?

Lecture 4: Q35. How to create an HTTP Sever using Express.js?

Lecture 5: Q36. How do you create and start Express.js application?

Chapter 7: Express – Middleware

Lecture 1: Express – Middleware

Lecture 2: Q37. What is Middleware in Express.js and when to use them?

Lecture 3: Q38. How do you implement middleware in Express.js?

Lecture 4: Q39. What is the purpose of the app.use() function in Express.js?

Lecture 5: Q40. What is the purpose of the next parameter in Express.js?

Lecture 6: Q41. How to use middleware globally for a specific route?

Lecture 7: Q42. What is Request Pipeline in Express?

Chapter 8: Express – Types of middlewares

Lecture 1: Express – Types of middlewares

Lecture 2: Q43. What are the type of middleware's in Express.js?

Lecture 3: Q44. What is the difference btw application-level & route-level middleware?

Lecture 4: Q45. What is error handling middleware and how to implement it?

Lecture 5: Q46. 5 middlewares then in which middleware you will do the error handling?

Lecture 6: Q47. What is built in middleware? How to serve static files from Express.js?

Lecture 7: Q48. What are third-party middleware's? Give some examples?

Lecture 8: Q49. Can you summarize all the type of middleware's?

Lecture 9: Q50. What are the advantages of using middleware in Express.js?

Chapter 9: Express – Routing – I

Lecture 1: Express – Routing – I

Lecture 2: Q51. What is Routing in Express.js?

Lecture 3: Q52. What is the difference between middleware & routing in Express?

Lecture 4: Q53. How to implement routing? How do you define routes in Express.js?

Lecture 5: Q54. How to handle Routing in Express.js real applications?

Lecture 6: Q55. What are Route Handlers?

Lecture 7: Q56. What are Route Parameters in Express.js?

Chapter 10: Express – Routing – II

Lecture 1: Express – Routing – II

Lecture 2: Q57. What are Router object & Router Methods and how to implement them?

Lecture 3: Q58. What are the types of Router Methods?

Lecture 4: Q59. What is the difference between app.get() and router.get() method?

Lecture 5: Q60. What is express.Router() in Express.js?

Lecture 6: Q61. Share a real application use of Routing?

Lecture 7: Q62. What is Route Chaining in Express.js?

Lecture 8: Q63. What is Route Nesting in Express.js?

Lecture 9: Q64. How to implement route nesting in Express.js?

Chapter 11: Express – Template Engines

Lecture 1: Express – Template Engines

Lecture 2: Q65. What are Template Engines in Express.js?

Lecture 3: Q66. Name some Template Engines libraries?

Lecture 4: Q67. How to implement EJS templating engine in a Express.js application?

Chapter 12: REST API – Basics

Lecture 1: REST API – Basics

Lecture 2: Q68. What is REST & RESTful API?

Lecture 3: Q69. What are HTTP Request and Response structures in UI and REST API?

Lecture 4: Q70. What are Top 5 REST guidelines and the advantages of them?

Lecture 5: Q71. What is the difference between REST API and SOAP API?

Chapter 13: REST API – HTTP Methods & Status Codes

Lecture 1: REST API – HTTP Methods & Status Codes

Lecture 2: Q72. What are HTTP Verbs and HTTP methods?

Lecture 3: Q73. What are GET, POST, PUT & DELETE HTTP methods?

Lecture 4: Q74. What is the difference between PUT & PATCH methods?