Question

Difficulty: EasyPlatform as a Service (PaaS)

An organization hosts a microservice using Azure App Service. Under the Platform as a Service (PaaS) model, does the customer have the responsibility of patching the host operating system?

Answer: Answer

Answer

No, the customer is not responsible for patching the host operating system under the Platform as a Service (PaaS) model.
Under the Platform as a Service (PaaS) model, the cloud provider manages the operating system, runtime, and hardware infrastructure, relieving the customer of tasks such as patching the host operating system.

Step-by-Step Solution

1
Determine the cloud service model of the hosting service.
Azure App Service is a Platform as a Service (PaaS) offering.
Responsibility models vary depending on whether the service is classified as IaaS, PaaS, or SaaS.
2
Apply the shared responsibility rules for the PaaS model regarding operating systems.
In PaaS, the cloud provider (Microsoft Azure) manages the operating system, including patching and security updates.
This determines that the customer does not have the responsibility of patching the host operating system.

Key Concept

Under Platform as a Service (PaaS), the cloud provider is responsible for managing the host operating system and infrastructure, while the customer manages applications and data.
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