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Question 1
Which cloud service model provides virtualized computing resources over the internet, such as VMs, storage, and networking, where the customer manages the OS and above?
Answer: Infrastructure as a Service (IaaS). The cloud provider manages the physical hardware and hypervisor, while the customer is responsible for the operating system, middleware, and applications.
Question 2
A developer wants to deploy an application without managing the underlying OS or server infrastructure. Which cloud service model best fits this need?
Answer: Platform as a Service (PaaS). PaaS provides a managed runtime environment including OS, middleware, and development tools, so developers can focus solely on writing and deploying code.
Question 3
Which cloud service model delivers fully functional applications over the internet on a subscription basis, where the provider manages everything from infrastructure to the application itself?
Answer: Software as a Service (SaaS). Examples include Microsoft 365 and Google Workspace; the customer only manages their data and user access settings.
Question 4
What cloud deployment model is exclusively operated for a single organization and can be hosted on-premises or by a third party, offering the highest level of control and security?
Answer: Private cloud. All resources and infrastructure are dedicated solely to one organization, making it ideal for businesses with strict regulatory or security requirements.
Question 5
A company uses on-premises servers for sensitive data while also leveraging AWS for scalable workloads. What cloud deployment model describes this environment?
Answer: Hybrid cloud. A hybrid cloud combines private (on-premises) and public cloud environments, connected to allow data and application portability between the two.