Quiz on MERN Stack

What is the heart of Node JS Processing model?

• Event Queue

• Thread Pool

• Event Loop

• Blocking IO Tasks

What is the purpose of REPL in Node.js?

• To provide a virtual environment for testing JavaScript code

• To handle HTTP requests

• To create web servers

• To manage Node.js packages

Which module in Node.js is used to handle raw binary data?

• fs

• querystring

• url

• Buffer

What is the main advantage of Node.js in handling concurrent client requests?

• It consumes more memory

• It runs single-threaded, non-blocking, asynchronously programming

• It creates a new thread for every request

• It uses multiple threads efficiently

What is the purpose of NPM in Node.js?

• To create web servers

• To handle HTTP requests

• To provide a virtual environment for testing JavaScript code

• To install, update, or uninstall Node.js packages

What is the purpose of Core Modules in Node.js?

• To manage Node.js packages

• To handle raw binary data

• To create web servers

• To provide basic functionalities of Node.js

What is the main function of a Web Server in Node.js?

• To accept requests via HTTP

• To create virtual environments

• To handle database operations

• To manage Node.js packages

What is the purpose of Buffers in Node.js?

• To create web servers

• To manage Node.js packages

• To handle HTTP requests

• To store binary data

How can you create a web server in Node.js?

• By using the http module to create a server

• By using IIS or Apache

• By using the fs module

• By installing NPM packages

Executes all operation in first go one after the other

• Asynchronous

• Synchronous