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
13 votes617 runs0 comment

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

Back-end developer
NestJS
decorators
nest
Axelat Sep 6, 2023
Medium
11 votes621 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
9 votes616 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 votes615 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
5 votes582 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 votes586 runs0 comment

Nest module lifecycle methods execution order

Back-end developer
NestJS
nest
lifecycle
Axelat Sep 6, 2023
Easy
3 votes578 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
2 votes570 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
Hard
2 votes140 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 vote569 runs0 comment

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

Back-end developer
NestJS
nest
circular reference
Axelat Sep 6, 2023
Easy
1 vote559 runs0 comment

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

Back-end developer
NestJS
nest
dependency injection
Axelat Sep 6, 2023
Easy
1 vote547 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 vote425 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 vote204 runs0 comment

Access the `findAll()` method in NestJS

Back-end developer
NestJS
nest
controllers
routes
Axelat Sep 6, 2023
Easy
1 vote195 runs0 comment

Create a new module in Nest.js

Back-end developer
NestJS
nest
command
Axelat Sep 6, 2023
Medium
1 vote46 runs0 comment

When would it make sense to use a custom decorator rather than an integrated Pipe?

Back-end developer
NestJS
nest
decorators
Axelat Sep 6, 2023
Easy
1 vote42 runs0 comment

How to declare a value provider in Nest.js?

Back-end developer
NestJS
nest
providers
Axelat Sep 6, 2023
Easy
1 vote38 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 vote602 runs0 comment

Explain why modules are used in Nest.js

Back-end developer
NestJS
nest
modules
Axelat Sep 6, 2023
Medium
0 vote583 runs1 comment

What is an interceptor in Nest.js?

Back-end developer
NestJS
nest
interceptor
Axelat Sep 6, 2023
NestJS tests