Here are the top FastAPI interview questions to prepare for your next role.
1️⃣ Which Python library is a core dependency of FastAPI for data validation and serialization?
- A) Cerberus
- B) Pydantic
- C) attrs
- D) Marshmallow
2️⃣ Which underlying server protocol does FastAPI rely on to provide its asynchronous capabilities?
- A) uWSGI
- B) CGI
- C) ASGI
- D) WSGI
3️⃣ Which specification does FastAPI use to generate automatic API documentation?
- A) GraphQL SDL
- B) RAML
- C) WSDL
- D) OpenAPI
4️⃣ Does FastAPI require type hints to work, or are they optional?
- A) They are optional
- B) They are required for all endpoints
- C) They are required only when using dependency injection
- D) They are only required for POST requests
5️⃣ What is the default ASGI server recommended for running FastAPI applications during development?
- A) Uvicorn
- B) Hypercorn
- C) Daphne
- D) Gunicorn