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Zorluk: OrtaInfrastructure as a Service (IaaS)

A digital marketing company deploys a promotional website on Azure Virtual Machines. The website requires a custom web server configuration and specific local firewall rules within the operating system to function correctly. Under the shared responsibility model, which of the following tasks is Microsoft responsible for managing in this deployment?

  1. Maintaining the physical host hardware and hypervisorCevap
  2. B
    Applying security updates and patches to the guest operating system
  3. C
    Managing the web server middleware and runtime configurations
  4. D
    Configuring the local firewall rules inside the guest operating system

Cevap

Maintaining the physical host hardware and hypervisor
In an Infrastructure as a Service (IaaS) model, Microsoft's responsibility stops at the hypervisor layer. Microsoft is responsible for maintaining the physical host hardware, physical network cables/switches, and the hypervisor that runs the virtual machines. The customer maintains control and responsibility over everything else.

Adım Adım Çözüm

1
Identify the cloud service model being used in the scenario.
The scenario specifies the use of Azure Virtual Machines, which falls under the Infrastructure as a Service (IaaS) cloud service model.
Responsibilities under the shared responsibility model shift depending on whether the service is IaaS, PaaS, or SaaS.
2
Determine the boundary of responsibility for IaaS.
In IaaS, Microsoft manages the physical hosts, physical network, and hypervisor. The customer is responsible for everything from the guest operating system upward, including patches, middleware, applications, and data.
This helps distinguish which tasks belong to the customer versus the cloud provider.
3
Evaluate the given choices against the determined IaaS responsibility boundary.
Maintaining physical hardware and hypervisors belongs to Microsoft, whereas guest OS patching, middleware management, and guest firewall configuration belong to the customer.
This confirms the correct option.

Anahtar Kavram

Under the Infrastructure as a Service (IaaS) model, the cloud provider (Microsoft) is responsible for the physical host, physical network, physical datacenter, and the hypervisor layer. The customer is responsible for the guest operating system, middleware, database engines, applications, network security controls within the OS, and data.
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Infrastructure as a Service (IaaS)

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