CompTIA Cloud+ Practice Test

Which service model typically provides the highest level of user control over cloud infrastructure?

1. Software as a Service

2. Platform as a Service

3. Infrastructure as a Service

4. Network as a Service

The correct answer is: Infrastructure as a Service

Infrastructure as a Service (IaaS) provides the highest level of user control over cloud infrastructure because it offers customers the ability to manage and customize their computing resources to a significant extent. With IaaS, users gain access to virtualized computing resources over the internet, including servers, storage, and networking capabilities. This model allows for granular control over the operating system, applications, and network configurations, enabling organizations to tailor their environments to specific needs. In contrast, Software as a Service (SaaS) delivers software applications through the cloud, meaning users have little to no control over the underlying infrastructure or application configurations. While convenient, this model restricts flexibility and customization. Platform as a Service (PaaS) provides a platform allowing developers to build, deploy, and manage applications, but similar to SaaS, it abstracts much of the underlying infrastructure management. Users have control over applications but limited control over the host operating systems or hardware. Network as a Service (NaaS) focuses specifically on network services, offering management of network resources over the cloud. While it provides control over networking functions, it does not match the extensive control afforded by IaaS in terms of overall infrastructure management. Thus, the correct answer emphasizes the extensive user control