350-701 Question #352: Real Exam Question with Answer & Explanation

Question

An organization is selecting a cloud architecture and does not want to be responsible for patch management of the operating systems. Why should the organization select either Platform as a Service or Infrastructure as a Service for this environment?

Options

• APlatform as a Service because the customer manages the operating system
• BInfrastructure as a Service because the customer manages the operating system
• CPlatform as a Service because the service provider manages the operating system
• DInfrastructure as a Service because the service provider manages the operating system

Explanation

An organization seeking to avoid OS patch management should choose Platform as a Service (PaaS) because the cloud service provider is responsible for managing the operating system, including patching.

Common mistakes.

• A. In PaaS, the service provider manages the operating system, not the customer.
• B. In Infrastructure as a Service (IaaS), the customer is responsible for managing and patching the operating system.
• D. In Infrastructure as a Service (IaaS), the customer is responsible for managing the operating system, including patching. The service provider only manages the virtualization and physical infrastructure.

Concept tested. Cloud service models (PaaS, IaaS) responsibilities

Reference. https://learn.microsoft.com/en-us/azure/cloud-adoption-framework/ready/cloud-governance/security-baseline/security-architecture-iaas-paas-saas

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