FastAPI Preparation Practice Exams

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Description: FastAPI is a modern, high-performance web framework for building APIs with Python 3.7+ based on standard Python type hints. It is designed to be fast both in terms of development and runtime performance, making it ideal for building scalable and efficient web applications. FastAPI automatically generates interactive API documentation using Swagger UI and ReDoc, which greatly enhances developer experience. Its reliance on Python type hints also ensures better code quality and reduces runtime errors.Asynchronous Programming in FastAPI allows developers to handle multiple requests concurrently using Python's async and await keywords. This non-blocking behavior improves the throughput of applications, especially for I/O-bound tasks such as database queries or calling external APIs. FastAPI fully supports asynchronous endpoints, which makes it highly suitable for real-time applications, chat systems, and microservices where responsiveness is critical.Dependency Injection is a core feature in FastAPI that simplifies code modularity and testing. Developers can define dependencies such as database connections, authentication methods, or configuration settings and inject them into path operations automatically. This approach reduces boilerplate code, encourages separation of concerns, and improves maintainability of large-scale applications.Data Validation in FastAPI is handled by Pydantic models, which enforce type checks and data constraints automatically. When clients send requests, FastAPI validates the data against the defined models, raising errors for incorrect input before it reaches the business logic. This feature ensures robust APIs and reduces potential runtime errors due to malformed data. Pydantic also allows serialization and deserialization of complex data types effortlessly.Security Features in FastAPI include OAuth2, JWT token authentication, and API key verification. Developers can secure endpoints easily by applying security dependencies that handle authentication and aut
Category: IT & Software > IT Certifications > FastAPI
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