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    Question

    Which cloud service model provides the highest level of

    control over the underlying infrastructure? 
    A Software as a Service (SaaS) Correct Answer Incorrect Answer
    B Platform as a Service (PaaS) Correct Answer Incorrect Answer
    C Infrastructure as a Service (IaaS) Correct Answer Incorrect Answer
    D Network as a Service (NaaS) Correct Answer Incorrect Answer
    E Function as a Service (FaaS) Correct Answer Incorrect Answer

    Solution

    Infrastructure as a Service (IaaS) provides users with the highest level of control over their computing resources, including virtual machines, storage, and networks. Users can provision and manage these resources as needed, allowing for full customization and control over their IT environments. This service model is suitable for organizations that require a flexible and scalable infrastructure without the need to invest in physical hardware. IaaS providers offer a pay-as-you-go pricing model, allowing businesses to only pay for the resources they consume. With IaaS, users can install any software, configure their systems, and manage the operating systems according to their specific requirements, making it an ideal choice for businesses that need extensive customization or have variable workloads. Option A (Software as a Service (SaaS)) - SaaS provides applications over the internet, which users can access without managing the underlying infrastructure or platform, thus offering less control over the environment. Option B (Platform as a Service (PaaS)) - PaaS offers a platform for developers to build applications without worrying about managing the underlying hardware and software layers, which gives less control compared to IaaS. Option D (Network as a Service (NaaS)) - NaaS provides network services, such as bandwidth and connectivity, but does not offer control over the entire infrastructure like IaaS does. Option E (Function as a Service (FaaS)) - FaaS allows developers to run code in response to events without managing servers, focusing on specific functions, thus providing limited control over the infrastructure.

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