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Which combination correctly maps each cloud service model to who is responsible for managing the operating system?
AIaaS, PaaS, and SaaS all have the provider manage the OS
BIaaS, PaaS, and SaaS all have the customer manage the OS
CSaaS — customer manages OS; IaaS — provider manages OS
DIaaS — customer manages OS; PaaS — provider manages OS; SaaS — provider manages OS
Answer & Solution
Correct answer: D. IaaS — customer manages OS; PaaS — provider manages OS; SaaS — provider manages OS
In IaaS the customer still owns the guest OS (patches, drivers); PaaS abstracts that away (provider patches the OS under the platform); SaaS hides the OS entirely — the customer only sees the app.
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