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Zorluk: OrtaCloud Service Models (IaaS, PaaS, SaaS)

A financial services firm plans to migrate its legacy transaction processing engine to the cloud. The system administration team requires root-level administrative access to install custom operating system kernel patches and configure specialized low-level storage drivers. However, the firm wants the cloud provider to manage the physical hardware, power, and physical network infrastructure. Which cloud service model best fulfills these organizational requirements?

  1. Infrastructure as a Service (IaaS)Cevap
  2. B
    Platform as a Service (PaaS)
  3. C
    Software as a Service (SaaS)
  4. D
    Desktop as a Service (DaaS)

Cevap

Infrastructure as a Service (IaaS) is the correct cloud service model because it provides full control over the operating system and low-level drivers while offloading physical hardware management to the provider.
Infrastructure as a Service (IaaS) provides virtual machine instances where system administrators maintain full control over the operating system, including applying custom kernel patches and configuring device drivers, while the cloud vendor manages physical hosts, storage arrays, and network equipment.

Adım Adım Çözüm

1
Analyze the technical requirements specified in the scenario.
The administration team needs OS root access, custom kernel patching capability, and specialized driver configuration, while physical server maintenance is offloaded.
Identifying the specific layer of administrative responsibility is essential to selecting the proper cloud service model.
2
Evaluate the management boundaries of each cloud service model.
IaaS provides customer management from the OS layer up; PaaS manages the OS and runtime; SaaS manages everything up to the application layer.
Matching customer control requirements against the shared responsibility model determines the proper service tier.
3
Select the service model that meets the control requirements.
Infrastructure as a Service (IaaS) is the only model that affords root OS and driver installation capabilities while eliminating physical hardware oversight.
IaaS provides full virtual machine control while abstracting physical infrastructure.

Anahtar Kavram

Cloud Service Models and Shared Responsibility Boundaries
Tahmini Süre:1m 0s
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Cloud Service Models (IaaS, PaaS, SaaS)

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