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Difficulty: EasyInfrastructure as a Service (IaaS)

A financial consulting startup is migrating its proprietary risk modeling software to Azure Virtual Machines. Under the shared responsibility model, which of the following tasks are the responsibility of the startup? Select TWO.

  1. Installing updates and patches on the guest operating systemAnswer
  2. Managing application-level access controls and data security within the virtual machineAnswer
  3. C
    Maintaining the physical servers and storage hardware in the Azure datacenter
  4. D
    Patching the underlying virtualization hypervisors hosting the virtual machines

Answer

Installing updates and patches on the guest operating system, and managing application-level access controls and data security within the virtual machine
In an Infrastructure as a Service (IaaS) deployment like Azure Virtual Machines, the customer takes on the management of everything from the operating system upward. This includes installing operating system updates and patches, and securing applications and data. Microsoft remains responsible for the physical security of datacenters, physical servers, and the hypervisor virtualization layer.

Step-by-Step Solution

1
Identify the cloud service category being used in the scenario.
Azure Virtual Machines represents an Infrastructure as a Service (IaaS) model.
Different cloud models (IaaS, PaaS, SaaS) partition responsibilities between the customer and Microsoft differently.
2
Apply the shared responsibility model rules for IaaS.
Under IaaS, Microsoft manages the physical security, physical hardware, virtualization layer, and physical network infrastructure. The customer manages the guest operating system, application configurations, network controls at the OS/subnet level, and user data/access.
This allows the selection of tasks that belong specifically to the customer.

Key Concept

Under the Infrastructure as a Service (IaaS) model, the cloud provider manages the physical infrastructure and virtualization layer, while the customer is responsible for configuring and maintaining the operating system, applications, and data.
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Topics

Infrastructure as a Service (IaaS)

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