Post assessment_Back end_Gadag

What is Node.js primarily used for?

• Frontend scripting
• Server-side scripting
• Database management
• Styling web pages

Which feature of Node.js allows it to handle many requests without blocking the thread?

• Multithreading
• Non-blocking I/O
• Asynchronous DOM manipulation
• Synchronous loops

What module is used to handle file operations in Node.js?

• os
• http
• fs
• path

How do you import a module in CommonJS format?

• const fs = require('fs');
• import fs from 'fs';
• using fs
• load('fs')

Which of the following is NOT a middleware in Express?

• express.json()
• express.urlencoded()
• express.logger()
• Custom middleware

Which HTTP method is used to create a new resource?

• GET
• POST
• PUT
• DELETE

What does a 404 HTTP status code indicate?

• Resource not found
• Bad request
• Unauthorized
• OK

Which method is used to create a route in Express?

• express.add()
• app.get()
• app.route()
• express.init()

Which of the following is NOT a valid MongoDB data type?

• String
• Integer
• Array
• Table

Which method retrieves all tasks in a RESTful API for task management?

• GET /tasks
• POST /tasks
• PUT /tasks/:id
• DELETE /tasks/:id