Fast API MCQs with answers Page - 15

Here, you will find a collection of MCQ questions on Fast API. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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Q. How can you restrict allowed methods in CORS in FastAPI?

  • (A) allowed_methods in CORSMiddleware
  • (B) cors_methods parameter
  • (C) CORSFilter
  • (D) request.allow(methods=...)

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Q. How can you include metadata for a FastAPI application?

  • (A) In the URL path
  • (B) In request headers
  • (C) In FastAPI constructor (title, description, version)
  • (D) In the environment variables

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Q. Which utility helps you build query parameter constraints in FastAPI?

  • (A) PydanticValidator
  • (B) SchemaBuilder
  • (C) Query()
  • (D) Param()

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Q. What happens if you use `response_model` in a route?

  • (A) It disables input validation
  • (B) It automatically validates and filters the response data
  • (C) It changes the request format
  • (D) It logs the model

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Q. What is the default port when running Uvicorn?

  • (A) 5000
  • (B) 3000
  • (C) 8000
  • (D) 8080

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Ravina • 3.96K Points
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Q. Which object is required to use background tasks in FastAPI?

  • (A) TaskQueue
  • (B) BackgroundHandler
  • (C) BackgroundTasks
  • (D) AsyncJob

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Ravina • 3.96K Points
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Q. Which module provides `File` and `Form` imports in FastAPI?

  • (A) fastapi.datastructures
  • (B) fastapi.requests
  • (C) fastapi
  • (D) fastapi.tools

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Ravina • 3.96K Points
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Q. Which exception class is used to return custom HTTP errors in FastAPI?

  • (A) RequestError
  • (B) FastAPIError
  • (C) HTTPException
  • (D) ValidationException

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Q. What is the purpose of `status` module in FastAPI?

  • (A) To define application status
  • (B) To create API logs
  • (C) To use HTTP status codes as constants
  • (D) To validate database operations

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Q. Which of the following methods is used to define a DELETE endpoint in FastAPI?

  • (A) @app.remove()
  • (B) @app.del()
  • (C) @app.delete()
  • (D) @delete.route()

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