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Difficulty: EasyInfrastructure as a Service (IaaS)

A company deploys several Azure Virtual Machines to host a custom database application. Which two of the following management tasks are the responsibility of Microsoft in this Infrastructure as a Service (IaaS) deployment? (Select two)

  1. Maintaining the physical hardware and virtualization hypervisors hosting the virtual machinesAnswer
  2. Securing physical access to the datacenters where the virtual machines are locatedAnswer
  3. C
    Installing security updates and patches for the guest operating system of the virtual machines
  4. D
    Configuring the database software and middleware running inside the virtual machines

Answer

The correct responsibilities of Microsoft are maintaining the physical hardware and virtualization hypervisors hosting the virtual machines, and securing physical access to the datacenters where the virtual machines are located.
In an Infrastructure as a Service (IaaS) deployment, Microsoft is responsible for managing the underlying physical infrastructure, which includes the physical servers, networking hardware, and virtualization hypervisors, as well as maintaining physical security at the datacenters. The customer is responsible for managing everything inside the virtual machine, including the operating system, middleware, databases, and application configuration.

Step-by-Step Solution

1
Identify the cloud service model being used in the scenario.
The scenario specifies Azure Virtual Machines, which belongs to the Infrastructure as a Service (IaaS) category.
Understanding the service model is necessary to determine the boundaries of the shared responsibility model.
2
Differentiate between the responsibilities of the customer and the cloud provider (Microsoft) in an IaaS model.
In IaaS, Microsoft manages the physical infrastructure (hardware, network, datacenter security) and the virtualization layer. The customer is responsible for everything from the guest operating system upward (OS patching, middleware, databases, applications, and data).
This allows for the correct classification of each listed option.

Key Concept

Shared responsibility model in Infrastructure as a Service (IaaS)
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Topics

Infrastructure as a Service (IaaS)

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