CompTIA Cloud+ Practice Test

What type of cloud service should be implemented for developers needing greater OS control in a VDI solution?

1. SaaS

2. PaaS

3. Bare metal service

4. IaaS

The correct answer is: IaaS

When developers require greater control over the operating system within a Virtual Desktop Infrastructure (VDI) solution, Infrastructure as a Service (IaaS) is the most suitable option. IaaS provides virtualized computing resources over the internet, allowing developers to manage and configure the operating system, applications, and the environment in which their applications run. With IaaS, developers can deploy virtual machines (VMs), choose specific OS installations, and customize configurations as per their project requirements, which is essential for development and testing purposes. This level of control enables the installation of specific software, necessary security settings, and custom networking options that are critical in a development lifecycle. In contrast, other cloud service models like Software as a Service (SaaS) offer applications managed by the service provider, which restricts customization capabilities at the OS level. Platform as a Service (PaaS) provides a platform allowing developers to build applications without worrying about the underlying infrastructure, but it still limits OS-level control since the platform itself is managed by the provider. A bare metal service can provide dedicated hardware but may not be ideal for scenarios requiring rapid scalability and virtualization that IaaS can more readily provide for VDI environments. Therefore, IaaS stands out as the