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?

Accepted 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?

Accepted 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?

Accepted 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?

Accepted 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?

Accepted Answer

Hybrid cloud. A hybrid cloud combines private (on-premises) and public cloud environments, connected to allow data and application portability between the two.

Cloud & Virtualization – CompTIA Network+ Certification

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