Job offersCompaniesTestsBlogI'm an employerSign upLog in
fr
fr
Home>IT Tests>Questions>Nest.js

52 interview questions on Nest.jsfor developers (2025)

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

or
Technology
Profession
Test
Sort by
Newest
Most popular
Last review
Filter by
Published
3806
To review
1
52 questions
Easy
12 votes526 runs0 comment

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

Back-end developer
NestJS
decorators
nest
Axelat Sep 6, 2023
Medium
8 votes522 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 votes524 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 votes493 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 votes522 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 votes491 runs0 comment

Nest module lifecycle methods execution order

Back-end developer
NestJS
nest
lifecycle
Axelat Sep 6, 2023
Easy
3 votes488 runs0 comment

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

Back-end developer
NestJS
nest
module
Axelat Sep 6, 2023
Hard
2 votes94 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 vote477 runs0 comment

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

Back-end developer
NestJS
nest
circular reference
Axelat Sep 6, 2023
Easy
1 vote475 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
1 vote471 runs0 comment

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

Back-end developer
NestJS
nest
dependency injection
Axelat Sep 6, 2023
Easy
1 vote458 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 vote330 runs0 comment

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

Back-end developer
NestJS
nest
async
Axelat Sep 6, 2023
Easy
1 vote32 runs0 comment

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

Back-end developer
NestJS
nest
provider
Axelat Sep 6, 2023
Medium
0 vote503 runs0 comment

Explain why modules are used in Nest.js

Back-end developer
NestJS
nest
modules
Axelat Sep 6, 2023
Medium
0 vote485 runs1 comment

What is an interceptor in Nest.js?

Back-end developer
NestJS
nest
interceptor
Axelat Sep 6, 2023
Medium
0 vote482 runs0 comment

How to make a Nest.js module global

Back-end developer
NestJS
nest
decorators
Axelat Sep 6, 2023
Easy
0 vote469 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 vote468 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 vote452 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