A metropolitan transit agency is launching a real-time passenger tracking application. The development team is evaluating whether to host the application services on Azure using Platform as a Service (PaaS) or Infrastructure as a Service (IaaS) offerings.
Under the cloud shared responsibility model, which of the following statements correctly describe the responsibility boundaries for these two models? (Select two.)
- Under the PaaS model, Microsoft is responsible for upgrading the operating system and managing the database runtime environments.Cevap
- Under the IaaS model, the transit agency is responsible for patching the guest operating system and configuring middleware.Cevap
- CUnder the IaaS model, Microsoft is responsible for installing database engine updates and configuring the application runtime.
- DUnder the PaaS model, the transit agency is responsible for manually patching the operating system hosting the passenger tracking software.
Cevap
The statements stating that under PaaS, Microsoft is responsible for upgrading the operating system and managing database runtimes, and under IaaS, the customer is responsible for patching the guest operating system and configuring middleware, are correct.
Under Platform as a Service (PaaS), the cloud provider is responsible for managing the physical infrastructure, virtualization layer, and guest operating system. Under Infrastructure as a Service (IaaS), the customer retains full control over the guest operating system, which includes responsibilities such as installing operating system patches, configuring middleware, and managing database engines.
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Anahtar Kavram
The shared responsibility model defines which security and administrative tasks are handled by the cloud provider and which are handled by the customer, differing significantly between IaaS and PaaS.
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