Match the services on the left to the correct descriptions on the right.
Services Descriptions
A. Infrastructure as a service (IaaS) 1. Provides hosting and management of an application and its underlying infrastructure, as well as any maintenance, upgrades, and security patching
B. Platform as a service (PaaS) 2. Provides a fully managed environment for developing, testing, delivering, and managing cloud-based applications
C. Software as a service (SaaS) 3. Provides servers and virtual machines, storage, networks, and operating systems on a pay-as-you-go basis