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Nestjs Interview Questions · IT Interview Practice
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#Nestjs
#Nestjs
26 questions
What is NestJS and what problems does it solve?
NestJS
#framework
Junior
›
What are controllers in NestJS?
NestJS
#framework
Junior
›
What are providers and services?
NestJS
#di
Junior
›
What are modules in NestJS?
NestJS
#framework
Junior
›
How does dependency injection work in NestJS?
NestJS
#di
Junior
›
How does NestJS use decorators?
NestJS
#framework
Junior
›
What are DTOs in NestJS?
NestJS
#validation
Junior
›
What are pipes and how does validation work?
NestJS
#validation
Junior
›
How do you handle exceptions in NestJS?
NestJS
#error-handling
Junior
›
How does routing work in NestJS?
NestJS
#framework
Junior
›
What is middleware in NestJS and how does it differ from guards/interceptors?
NestJS
#framework
Middle
›
What are guards used for?
NestJS
#security
Middle
›
What are interceptors?
NestJS
#framework
Middle
›
How do you create custom decorators?
NestJS
#framework
Middle
›
How do you manage configuration in NestJS?
NestJS
#framework
Middle
›
How do you integrate a database (TypeORM/Prisma) with NestJS?
NestJS
#data
Middle
›
What is the NestJS request lifecycle order?
NestJS
#framework
Middle
›
What are exception filters?
NestJS
#error-handling
Middle
›
What are custom providers and injection tokens?
NestJS
#di
Middle
›
What lifecycle hooks does NestJS provide?
NestJS
#framework
Middle
›
How do you build a GraphQL API with NestJS?
NestJS
#framework
Senior
›
How do you handle background jobs and queues?
NestJS
#architecture
Senior
›
How do you control response serialization in NestJS?
NestJS
#framework
Middle
›
How do you generate API documentation with Swagger?
NestJS
#framework
Middle
›
How do you build real-time features with WebSocket gateways?
NestJS
#framework
Senior
›
What are dynamic modules and the forRoot/forFeature pattern?
NestJS
#di
Senior
›