What is the output of the following code? int x = 10; System.out.println(x++); A) 10 B) 11 C) 9 D) Compiler error Answer: A) 10 ...

What is the purpose of the res.type() method in Express.js? A) To set the HTTP status code of the response B) To set the content type...

Which of the following Express.js methods is used to handle HTTP OPTIONS requests? A) app.options() B) app.get() C) app.post() ...

Which of the following is NOT a built-in middleware function in Express.js? A) express.json() B) express.static() C) express.urlen...

What is the purpose of the req.query object in Express.js? A) To access request query parameters B) To access request headers C) T...

In Express.js, what is the purpose of the res.redirect() method? A) To send an HTTP response with JSON data B) To send an HTTP respon...

Which of the following modules is commonly used for authentication in Node.js web applications? A) express-session B) http C) fs ...

Which of the following modules is commonly used for routing in Node.js web applications? A) http B) fs C) express D) os ...

What is the purpose of the npm install command in Node.js? A) To initialize a new Node.js project B) To install dependencies for a No...

What is the purpose of the Buffer class in Node.js? A) To manipulate binary data B) To manage HTTP requests C) To handle file syst...

What is Node.js? A) A JavaScript runtime built on Chrome's V8 JavaScript engine B) A front-end framework for building user interf...

The fs (file system) module in Node.js provides an interface for interacting with the file system. It allows you to perform various file-related opera...

Middleware functions have access to the request (req) and response (res) objects, and they can also call the next middleware function in the stack. ...

Learn Node.js Interview Questions and Answers materials and notes...

Node.js express Module is used to create back end web application framework for building RESTful APIs with Node.js...

Node.js is a single-threaded event-driven platform that is capable of running non-blocking, asynchronously programming. ...

Node.js MYSQL Module is used to drop table from database...

Node.js MYSQL Module is used to delete data from database...

Node.js MySQL module is used to update data in database....

Node.js MySQL module is used to fetch data from table....