In theIaaS (Infrastructure as a Service)model, the majority of operational responsibilities remain with the customer.
* Customer Responsibilities:OS management, application updates, security configuration, data protection, and network controls.
* Provider Responsibilities:Hardware maintenance, virtualization, and network infrastructure.
* Flexibility:Customers have significant control over the operating environment, making them responsible for most security measures.
Incorrect Options:
* A. Data Platform as a Service (DPaaS):Managed data services where the provider handles database infrastructure.
* B. Software as a Service (SaaS):Provider manages almost all operational aspects.
* C. Platform as a Service (PaaS):Provider manages the platform; customers focus on application management.
Exact Extract from CCOA Official Review Manual, 1st Edition:
Refer to Chapter 3, Section "Cloud Service Models," Subsection "IaaS Responsibilities" - IaaS requires customers to manage most operational aspects, unlike PaaS or SaaS.