Which Azure solution provides a platform-as-a-service hosting model with minimal management overhead for an application?

Azure App Service is the correct answer because it is a fully managed platform-as-a-service (PaaS) offering designed for hosting web applications, REST APIs, and mobile backends. It provides automatic scaling, patching, and continuous deployment capabilities, significantly reducing management overhead. Azure Functions is a serverless compute service, ideal for event-driven, short-lived tasks, but not primarily for hosting full applications. Azure Virtual Machines (IaaS) offer the most control but require significant management of the operating system and software. Azure Kubernetes Service (AKS) is a container orchestration platform (PaaS/CaaS) that offers flexibility but involves more management complexity than App Service for typical web applications.