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Difficulty: MediumShared Responsibility Model

An educational institution currently uses a Software as a Service (SaaS) platform for student communication. The IT department decides to develop a custom communication portal and host it on Azure App Service, which is a Platform as a Service (PaaS) offering. Which of the following responsibilities shifts from the cloud provider to the educational institution as a result of this transition?

  1. Developing, deploying, and maintaining the application codeAnswer
  2. B
    Patching and updating the underlying operating system
  3. C
    Managing and securing user accounts and identities
  4. D
    Maintaining the physical servers and virtualization hardware

Answer

Developing, deploying, and maintaining the application code
In a Software as a Service (SaaS) model, the cloud provider manages the entire application stack, including the application code. In contrast, under the Platform as a Service (PaaS) model (such as Azure App Service), the customer is responsible for creating, deploying, and maintaining the application code. Therefore, the responsibility for managing the application shifts from the cloud provider to the customer.

Step-by-Step Solution

1
Identify the source and target cloud service models in the scenario.
The institution is transitioning from Software as a Service (SaaS) to Platform as a Service (PaaS).
Understanding the boundary transition is key to determining the change in responsibility.
2
Analyze how responsibility for applications changes between SaaS and PaaS.
In SaaS, the provider manages the application. In PaaS, the customer manages the application.
This shows that the responsibility for the application code shifts to the customer.

Key Concept

Shared Responsibility Model
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Topics

Shared Responsibility Model

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