Learn Node Js MCQs
Prepare Node Js MCQs (Multiple choice Questions) for exam and job interviews.
What is the purpose of the `debug` module in Node.js?
1) To provide debugging utilities
2) To manage logging
3) To handle HTTP requests
4) To validate inputs
Answer : Option 1
How do you define a middleware function in Express.js?
1) app.use()
2) app.route()
3) app.get()
4) app.post()
Answer : Option 1
What is the `res.redirect()` method used for in Express.js?
1) To redirect the client to a different URL
2) To send a JSON response
3) To render a view
4) To handle file uploads
Answer : Option 1
How do you install a specific version of a package using npm?
1) npm install
2) npm install
3) npm install
4) npm install
Answer : Option 1
Which Node.js function is used to parse JSON data?
1) JSON.parse()
2) parse.json()
3) JSON.decode()
4) json.parse()
Answer : Option 1
What does `npm cache clean` do?
1) Clears the npm cache
2) Updates the npm cache
3) Installs a package
4) Removes a package
Answer : Option 1
How do you handle multipart form data in Node.js?
1) Using middleware like multer
2) Using custom code
3) Using `fs` module
4) Using `querystring` module
Answer : Option 1
What does the `res.send()` method do in Express.js?
1) Sends a response to the client
2) Sets response headers
3) Redirects the client
4) Handles form submissions
Answer : Option 1
Which method is used to create a new directory in Node.js?
1) fs.mkdir()
2) fs.createDirectory()
3) fs.openDirectory()
4) fs.newDirectory()
Answer : Option 1
What is the purpose of the `http` module in Node.js?
1) To create and handle HTTP requests and responses
2) To manage file systems
3) To parse URLs
4) To handle streams
Answer : Option 1