List Of Node Js Interview Questions With Answers For Beginners
Beginner-Friendly Node.js Interview Questions and Answers
List Of Node Js Interview Questions With Answers For Beginners
Understanding Node.js interview questions with answers provides a comprehensive guide for beginners seeking to enhance their knowledge and prepare for job interviews. This list offers insights into fundamental Node.js concepts, enabling candidates to articulate their comprehension and demonstrate their ability to apply Node.js in practical scenarios. By reviewing these questions and answers, beginners can effectively prepare for technical assessments and stand out as confident and knowledgeable candidates.
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1 - What is Node.js?
Node.js is a JavaScript runtime environment that allows for writing server side code.
2) What are the benefits of using Node.js?
Node.js is fast, scalable, and event driven, making it ideal for building real time applications.
3) What is the Event Loop in Node.js?
The Event Loop is the core of Node.js, responsible for executing asynchronous operations and managing callbacks.
4) What is an NPM?
NPM (Node Package Manager) is the package manager for Node.js, providing a vast repository of modules and libraries.
5) What is Express.js?
Express.js is a web application framework for Node.js, providing a simple and robust way to build web applications.
6) What is MongoDB?
MongoDB is a NoSQL database popular for storing and managing JSON like documents.
7) What is REST?
REST (Representational State Transfer) is an architectural style for designing web applications that emphasizes resource manipulation.
8) What is CORS (Cross Origin Resource Sharing)?
CORS is a mechanism that allows resources from different origins to interact with each other, mitigating security risks.
9) What are the different types of HTTP methods?
HTTP methods include GET, POST, PUT, DELETE, HEAD, and OPTIONS, each serving a specific function in manipulating data.
10) What is middleware in Node.js?
Middleware are functions that handle requests and responses in Node.js applications, allowing for pre and post processing of data.
11 - What is a buffer in Node.js?
A buffer is an object that stores raw binary data in Node.js, facilitating efficient manipulation of data streams.
12) What is the difference between synchronous and asynchronous code in Node.js?
Synchronous code executes in a sequential manner, blocking other operations, while asynchronous code executes non blocking, leveraging callbacks or event driven programming.
13) What are the best practices for writing maintainable Node.js code?
Best practices include using a consistent coding style, modularizing code, handling errors effectively, and implementing logging and monitoring.
14) What are the common deployment strategies for Node.js applications?
Common deployment strategies include using cloud platforms (e.g., AWS, Azure), containerization (e.g., Docker, Kubernetes), or deploying to virtual private servers (e.g., using DigitalOcean, Linode).
15) What are the emerging trends in Node.js development?
Emerging trends include the serverless architecture, microservices, GraphQL, and artificial intelligence (AI) integration.
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- Course Overview
- This course provides a comprehensive guide to Node.js interview questions for beginners, covering essential concepts such as server-side development, event-driven architecture, modules and packages, error handling, and best practices.
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- Master the intricacies of Node.js interviews with this comprehensive course tailored for beginners. Dive into fundamental Node.js concepts, essential libraries, and interview-style questions. Learn how to handle data, manage concurrency, and build robust Node.js applications, empowering you to ace your next technical interview.
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Functional Tools
- Node.js Interview Questions: A comprehensive list of interview questions covering key Node.js concepts, syntax, and best practices.
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