Microsoft Certified: Azure Fundamentals (AZ-900) Practice Exam

The choice of Software as a Service (SaaS) requires the least amount of management for users because it provides fully managed applications that are accessible over the internet. In a SaaS model, the service provider is responsible for the underlying infrastructure, software maintenance, updates, security, and scalability. This allows users to focus solely on using the applications without needing to handle any significant management tasks related to hardware or software configurations. Users simply access the application through a web browser or a client interface and do not need to worry about installing software, managing servers, or performing regular updates. This ease of use is particularly appealing for businesses looking to minimize IT overhead and streamline operations. In contrast, Infrastructure as a Service (IaaS) requires users to manage virtual machines, operating systems, and applications, making it a more hands-on solution. Platform as a Service (PaaS) involves managing applications while still requiring some level of interaction with the underlying platform components. Device as a Service (DaaS) can involve managing devices and their software, which adds complexity as well. Therefore, SaaS stands out as the option that demands the least management from users.