ExpertHard1 markMultiple Choice
CPA · Question 01 · Area I: Information Systems
A CPA is advising a client who is migrating their legacy on-premise ERP system to a cloud environment. The client wants to minimize their responsibility for managing the underlying operating system, middleware, and runtime environment, but wants to retain control over the deployed applications and configuration settings. Which cloud service model is most appropriate for this client?
A CPA is advising a client who is migrating their legacy on-premise ERP system to a cloud environment. The client wants to minimize their responsibility for managing the underlying operating system, middleware, and runtime environment, but wants to retain control over the deployed applications and configuration settings. Which cloud service model is most appropriate for this client?
Answer options:
A.
Infrastructure as a Service (IaaS)
B.
Platform as a Service (PaaS)
C.
Software as a Service (SaaS)
D.
Function as a Service (FaaS)
How to approach this question
Analyze the level of control the client desires. IaaS = Infrastructure control (OS up). PaaS = App control (Code/Config). SaaS = User access only.
Full Answer
B.Platform as a Service (PaaS)✓ Correct
In a PaaS model, the cloud provider manages the infrastructure (servers, network, storage), operating system, and middleware. The customer is responsible for the applications and data deployed on that platform.
Common mistakes
Confusing IaaS (where you manage the OS) with PaaS.
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