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

52 interview questions on Nest.jsfor developers (2026)

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
3889
To review
8
52 questions
Easy
13 votes703 runs0 comment

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

Back-end developer
NestJS
decorators
nest
Axelat Sep 6, 2023
Medium
13 votes700 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
10 votes699 runs0 comment

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

Back-end developer
NestJS
nest
pipes
Axelat Sep 6, 2023
Easy
6 votes695 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 votes658 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
5 votes655 runs0 comment

Nest module lifecycle methods execution order

Back-end developer
NestJS
nest
lifecycle
Axelat Sep 6, 2023
Easy
4 votes648 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
3 votes637 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 votes167 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 vote640 runs0 comment

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

Back-end developer
NestJS
nest
circular reference
Axelat Sep 6, 2023
Easy
1 vote625 runs0 comment

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

Back-end developer
NestJS
nest
dependency injection
Axelat Sep 6, 2023
Easy
1 vote611 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 vote494 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 vote229 runs
1 comment

Which of the following is not a module property in Nest?

Back-end developer
NestJS
nest
module
Axelat Sep 6, 2023
Easy
1 vote226 runs0 comment

Access the `findAll()` method in NestJS

Back-end developer
NestJS
nest
controllers
routes
Axelat Sep 6, 2023
Easy
1 vote214 runs0 comment

Create a new module in Nest.js

Back-end developer
NestJS
nest
command
Axelat Sep 6, 2023
Medium
1 vote53 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 vote49 runs0 comment

How to declare a value provider in Nest.js?

Back-end developer
NestJS
nest
providers
Axelat Sep 6, 2023
Easy
1 vote42 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 vote671 runs0 comment

Explain why modules are used in Nest.js

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