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Difficulty: MediumInfrastructure as a Service (IaaS)

A company is migrating its inventory management database to Azure Virtual Machines. The database requires a legacy version of Microsoft SQL Server that is not supported by Azure SQL Database. In this Infrastructure as a Service (IaaS) environment, which management task is the responsibility of Microsoft?

  1. Maintaining the physical host hardware and hypervisor layersAnswer
  2. B
    Installing security updates for the database engine software
  3. C
    Configuring backup schedules for the database files
  4. D
    Managing access permissions for the database tables

Answer

Maintaining the physical host hardware and hypervisor layers
The responsibility for maintaining physical host hardware and the hypervisor layer belongs to Microsoft in an IaaS model. This includes the physical servers, storage, networking systems, and the virtualization layer that hosts the virtual machines.

Step-by-Step Solution

1
Analyze the cloud service model being used in the scenario.
The deployment uses Azure Virtual Machines, which falls under the Infrastructure as a Service (IaaS) model.
Identifying the service model determines the shared responsibility boundaries.
2
Determine the boundary of responsibility for IaaS.
The cloud provider manages the physical datacenters, physical servers, and hypervisors. The customer manages the operating system, network controls, applications, and data.
Differentiating customer vs. provider responsibilities isolates the correct answer.
3
Evaluate the options against the provider responsibilities.
Maintaining the physical host hardware and hypervisor layers is a cloud provider responsibility, whereas patching databases, configuring backups, and managing database permissions are customer tasks.
Validates the correct option and rejects the incorrect distractors.

Key Concept

Under the Infrastructure as a Service (IaaS) model, Microsoft maintains the physical infrastructure and virtualization layer, while the customer manages the operating system, applications, database systems, and data.
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Topics

Infrastructure as a Service (IaaS)

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