Bird
0
0

Which decorator should you use in FastAPI to define a handler for a specific exception type?

easy🧠 Conceptual Q2 of 15
FastAPI - Error Handling
Which decorator should you use in FastAPI to define a handler for a specific exception type?
A@app.route('/exception')
B@app.exception_handler(ExceptionType)
C@app.middleware('http')
D@app.on_event('startup')
Step-by-Step Solution
Solution:

  1. Step 1: Understand FastAPI exception handling

    FastAPI uses a specific decorator to register handlers for exceptions.

  2. Step 2: Identify the correct decorator

    The decorator @app.exception_handler(ExceptionType) is used to register a handler for a given exception type.

  3. Final Answer:

    @app.exception_handler(ExceptionType) -> Option B

  4. Quick Check:

    Decorator for exception handlers is @app.exception_handler [OK]
Quick Trick: Use @app.exception_handler to register exception handlers [OK]
Common Mistakes:
MISTAKES
  • Using @app.route for exception handlers
  • Confusing middleware with exception handlers
  • Using event decorators for exception handling

Want More Practice?

15+ quiz questions · All difficulty levels · Free

Free Signup - Practice All Questions
More FastAPI Quizzes
Authentication and Security - Protected routes - Quiz 5medium Authentication and Security - API key authentication - Quiz 3easy Authentication and Security - Bearer token handling - Quiz 8hard Database Integration - Alembic migrations - Quiz 11easy Dependency Injection - Why dependency injection matters - Quiz 3easy Dependency Injection - Class-based dependencies - Quiz 3easy Dependency Injection - Depends function basics - Quiz 13medium Error Handling - Why error handling ensures reliability - Quiz 11easy Middleware and Hooks - CORS middleware setup - Quiz 14medium Middleware and Hooks - Request timing middleware - Quiz 9hard