Node js

In web development, what is a framework?

• A tool we use to design GUIs (Graphical user interfaces)

• A cloud tool used to host websites

• A place for developers to collaborate and work asynchronously

• A software designed to support the development of web applications including web services, web resources, and web APIs

JavaScript used which of the following I/O model?

• Non-Blocking I/O Model

• Blocking I/O Model

• None.

Which of the following code will print "Hello" on the output screen?

• print("Hello");

• console.log(Hello);

• console.log("Hello");

• printf("%s","Hello");

What JavaScript Engine is used by Google Chrome?

• Y8

• Adobe Flash Player

• Friv

• V8

What is the right syntax for importing a module?

• require()

• function()

• import()

• module.import()

What is the advantage of using node.js?

• Great concurrency

• Generally fast

• It provides an easy way to build scalable network programs

• All of these

Which of the following areas, Node.js is not advised to be used?

• Single Page Applications

• JSON APIs based Applications

• CPU intensive applications

• Data Intensive Realtime Applications (DIRT)

What will be the output of following code snippet?

JSON.stringify({ message: "Hello World"});

• {message:Hello World}{message:Hello World}

• {‘message’:’Hello World’}

• {"message":"Hello World"}

• None

What will be the output

var num = 10

console.log(num + 10)

• 20

• 83

• None of these

• Hello!

To connect Mongo dB Database from NodeJS which middleware we require?

• Body-parser

• Mongoose

• Express

• None of these