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1. What is an exception filter in NestJS and when does it run?
Level: Expert | Frequency: High
2. How do you write a global filter in NestJS that handles both HttpException and unexpected errors differently?
Level: Expert | Frequency: High
3. How does exception filter precedence work when multiple filters are registered in NestJS?
Level: Expert | Frequency: High
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Authentication and Authorization,
Interceptors