A company plans to migrate some of its services to the cloud. The company does not want to manage or control the underlying cloud infrastructure. It also wants to maintain control over the…

Infrastructure as a Service (IaaS) provides virtualized computing resources, such as virtual machines, storage, and networks, where the cloud provider manages the underlying infrastructure. The customer retains control over the operating systems, applications, and their deployments, allowing them to manage the application-hosting environment's configuration settings.

Function as a Service (FaaS) is a serverless computing model where the cloud provider manages virtually all infrastructure, and the customer only deploys code functions, offering even less control than IaaS over the environment.

Platform as a Service (PaaS) provides a platform for developing, running, and managing applications without the complexity of building and maintaining the infrastructure, but it offers less control over the underlying operating system and environment configuration than IaaS.

Software as a Service (SaaS) is a complete, ready-to-use application delivered over the internet, where the cloud provider manages all aspects from infrastructure to application, leaving almost no control to the customer over the application-hosting environment.