250+ Node Js MCQ With Online Practice Test

Node.js, often referred to as simply "Node," is a powerful open-source runtime environment that allows developers to execute JavaScript code outside of web browsers. It is designed for building scalable and efficient network applications, particularly on the server side. Node.js leverages a non-blocking, event-driven architecture, making it ideal for handling asynchronous operations and real-time applications. With its vast ecosystem of packages and modules available through npm (Node Package Manager), Node.js has become a popular choice for web development, microservices, APIs, and more, enabling developers to create high-performance applications with ease.

Practice Test

141. What does "REST" stand for in "RESTful APIs" in Node.js?

Answer: Representational State Transfer

142. In a RESTful API, what is the primary architectural style used for designing resources and endpoints?

Answer: Resource-Oriented

143. What HTTP methods are commonly used in RESTful APIs to perform CRUD (Create, Read, Update, Delete) operations on resources?


144. In Node.js RESTful APIs, what is the purpose of the HTTP GET method?

Answer: To read or retrieve the representation of a resource

145. Which HTTP status code is typically returned in a Node.js RESTful API response to indicate a successful resource creation (POST request)?

Answer: 201 (Created)

146. What is the purpose of query parameters in a RESTful API URL in Node.js?

Answer: To provide additional data or filters for the request

147. What is the HTTP status code for a successful response to a GET request that did not return any data in a Node.js RESTful API?

Answer: 204 (No Content)

148. In Node.js RESTful APIs, what is the purpose of the HTTP PUT method?

Answer: To update an existing resource

149. What is the primary advantage of using a RESTful API design in Node.js?

Answer: It provides a uniform and scalable approach to web service development, making it easy to consume data and interact with resources.

150. In Node.js RESTful API development, what is the purpose of versioning the API?

Answer: To provide backward compatibility for clients as the API evolves
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