Typescript: Nestjs

What is NestJS?

• A front-end JavaScript framework

• A back-end JavaScript framework

• A mobile app development framework

• 1. A database management framework

NestJS is built on top of which JavaScript runtime?

• Node.js

• React

• Angular

• Vue

Which programming language is primarily used in NestJS?

• Java

• Python

• Typescript

• C++

NestJS uses which design pattern for organizing code and modules?

• MVC (Model-View-Controller)

• MVVM (Model-View-ViewModel)

• Dependency Injection

• Observer

What is the purpose of the @Module decorator in NestJS?

• To define a module

• To define a component

• To define a service

• To define a controller

In NestJS, what is a provider?

• A database

• A service, or repository

• A middleware

• An Angular component

Which of the following is NOT a valid HTTP method decorator in NestJS?

• @Fetch

• @Get

• @Create

• @Update

What is the purpose of the @Controller decorator in NestJS?

• To define a module

• To define a service

• To define a controller

• To define a component

In NestJS, how can you inject a service into a controller?

• Using @Injectable decorator

• Using @Service decorato

• Automatically without any decorator

• None of the options

What is the purpose of the main.ts file in a NestJS application?

• Entry point of the application

• Configuration file for the database

• File containing middleware definitions

• File defining routes