Job offersCompaniesTestsBlogI'm an employerSign upLog in
fr
fr
Home>IT Tests>Questions>NestJS

52 interview questions on NestJSfor developers (2025)

Test your technical skills before an interview of NestJS with 52 corrected questions. Beginner, Intermediate or Expert level.

or
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
52
To review
0
52 questions
Easy
11 votes467 runs0 comment

How to declare a class as a controller in Nest.js

Back-end developer
NestJS
decorators
nest
Axelat Sep 6, 2023
Medium
7 votes467 runs0 comment

How to make an `ExceptionFilter` global so that it applies to your entire application in NestJS

Back-end developer
NestJS
nest
filters
Axelat Sep 6, 2023
Easy
7 votes465 runs0 comment

What is the main responsibility of a pipe in Nest.js?

Back-end developer
NestJS
nest
pipes
Axelat Sep 6, 2023
Easy
5 votes438 runs0 comment

How to define a service or component that can be injected in Nest.js

Back-end developer
NestJS
nest
decorators
Axelat Sep 6, 2023
Easy
4 votes465 runs0 comment

Which decorator is used to associate a Guard with a route or controller in Nest?

Back-end developer
NestJS
decorators
guards
Axelat Sep 6, 2023
Easy
3 votes440 runs0 comment

Nest module lifecycle methods execution order

Back-end developer
NestJS
nest
lifecycle
Axelat Sep 6, 2023
Easy
3 votes436 runs0 comment

What is the main use of the `OnModuleInit` interface in Nest.js?

Back-end developer
NestJS
nest
module
Axelat Sep 6, 2023
Easy
1 vote425 runs0 comment

Explain why you would use `forwardRef` in Nest.js.

Back-end developer
NestJS
nest
circular reference
Axelat Sep 6, 2023
Easy
1 vote422 runs0 comment

Explain the use of the @Optional() decorator in Nest.

Back-end developer
NestJS
nest
dependency injection
Axelat Sep 6, 2023
Easy
1 vote408 runs0 comment

What is the role of the `@Body()` decorator in this NestJS code snippet?

Back-end developer
NestJS
nest
decorators
Axelat Sep 6, 2023
Medium
1 vote279 runs0 comment

What is the main purpose of asynchronous providers in Nest.js?

Back-end developer
NestJS
nest
async
Axelat Sep 6, 2023
Hard
1 vote75 runs0 comment

Which of the following is not a predefined Nest.js interceptor?

Back-end developer
NestJS
nest
interceptors
Axelat Jun 18, 2024
Easy
1 vote28 runs0 comment

What is the specific role of `useFactory` in the provider declaration?

Back-end developer
NestJS
nest
provider
Axelat Sep 6, 2023
Hard
0 vote449 runs0 comment

Explain why modules are used in Nest.js

Back-end developer
NestJS
nest
modules
Axelat Sep 6, 2023
Medium
0 vote432 runs1 comment

What is an interceptor in Nest.js?

Back-end developer
NestJS
nest
interceptor
Axelat Sep 6, 2023
Medium
0 vote432 runs0 comment

How to make a Nest.js module global

Back-end developer
NestJS
nest
decorators
Axelat Sep 6, 2023
Easy
0 vote426 runs0 comment

Explain the use of the `switchToHttp` or `switchToWs` methods in a Nest.js guard or interceptor.

Back-end developer
NestJS
nest
guards
interceptors
Axelat Sep 6, 2023
Easy
0 vote420 runs0 comment

Define the intercept method when creating a custom interceptor in Nest

Back-end developer
NestJS
nest
interceptors
Axelat Sep 6, 2023
Easy
0 vote420 runs0 comment

What happens when you declare a provider in a module's providers array, but don't add it to the exports array?

Back-end developer
NestJS
nest
providers
exports
Axelat Sep 6, 2023
Easy
0 vote404 runs0 comment

Nest.js is a framework for building efficient and scalable Node.js applications.

Back-end developer
NestJS
nest
node.js
Axelat Sep 6, 2023
NestJS tests