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Execution Order & Scopes
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Place these in the correct order for a single successful request: Pipes, Guards, Interceptors (pre), Route Handler, Interceptors (post), Middleware.
AMiddleware → Guards → Interceptors (pre) → Pipes → Handler → Interceptors (post)
BGuards → Middleware → Pipes → Interceptors (pre) → Handler → Interceptors (post)
CMiddleware → Pipes → Guards → Handler → Interceptors (pre) → Interceptors (post)
DInterceptors (pre) → Middleware → Guards → Pipes → Handler → Interceptors (post)
Guards are registered globally, on the controller, and on the method. In what order are they evaluated for a request?
AMethod → Controller → Global
BGlobal → Controller → Method
CThey run in registration order regardless of scope
DOnly the most specific (method) guard runs
Two guards are listed in one @UseGuards(A, B). What logic combines them?
AOR — the request passes if either A or B returns true
BAND — both A and B must return true (and they short-circuit on the first false)
CXOR — exactly one must return true
DThey run independently and the last one wins
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