Answer
Filters enable cross-cutting concerns such as logging, caching, authorization, and exception handling. Types include authorization, resource, action, exception, and result filters.
Quick Answer
Filters are AOP-style hooks. Authorization Filters gate access. Action Filters run business logic before/after action (logging, performance measurement). Result Filters modify responses (add headers, compress). Exception Filters catch unhandled action exceptions for consistent error formatting. Filters are more expressive than middleware for MVC-specific concerns.
S
SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ