In which two deployment models are customers responsible for managing the operating systems that host applications? Each correct answer should provide a comprehensive solution.
Infrastructure as a Service (IaaS): This answer is correct.
On-premises: This answer is correct.
Platform as a Service (PaaS): This answer is incorrect.
Software as a Service (SaaS): Operating systems are managed by customers when using IaaS or on-premises deployments. In contrast, operating systems are not accessible in PaaS and SaaS deployments.
Physical deployment
Azure offers physical deployment options in various regions and geographies. It also provides high availability through availability zones and disaster recovery through region pairs.
Data Centric 