Fast API MCQs with answers Page - 8

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Q. Which of the following FastAPI features is most beneficial for frontend developers?

  • (A) Automatic generation of database schemas
  • (B) Automatic interactive API documentation
  • (C) Support for multithreading
  • (D) Command line interface

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Q. Which method in FastAPI is used to send a custom response with any content?

  • (A) CustomResponse
  • (B) BaseResponse
  • (C) Response
  • (D) OutputResponse

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Q. In FastAPI, where are custom exception handlers registered?

  • (A) app.error()
  • (B) app.catch()
  • (C) app.exception_handler()
  • (D) app.custom_error()

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Q. What is the correct import path for FastAPI's UploadFile?

  • (A) from fastapi.uploads import UploadFile
  • (B) from fastapi.datastructures import UploadFile
  • (C) from fastapi import UploadFile
  • (D) from fastapi.files import UploadFile

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Q. What is the purpose of the `tags` parameter in route decorators?

  • (A) To group endpoints in the OpenAPI docs
  • (B) To define user roles
  • (C) To enable logging
  • (D) To create route aliases

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Q. Which FastAPI class allows sending streaming responses?

  • (A) StreamingResponse
  • (B) LiveResponse
  • (C) DataStream
  • (D) AsyncStream

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Q. What does the `description` parameter in route decorators affect?

  • (A) Logging format
  • (B) API documentation
  • (C) CORS headers
  • (D) Database models

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Q. Which parameter of `Depends()` lets you declare a dependency as optional?

  • (A) use_optional=True
  • (B) default=None
  • (C) optional=True
  • (D) nullable=True

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Q. What type is commonly returned by FastAPI route functions?

  • (A) str
  • (B) dict
  • (C) int
  • (D) tuple

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Q. What Python feature allows FastAPI to infer data types automatically?

  • (A) Decorators
  • (B) Annotations
  • (C) Docstrings
  • (D) Introspection

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