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AZ-900 · Question #494

You need to migrate an on-premises server by using a lift-and-shift migration. To which type of cloud service should you migrate?

The correct answer is A. infrastructure as a service (IaaS). A lift-and-shift migration, involving moving existing on-premises servers to the cloud with minimal changes, is best suited for Infrastructure as a Service (IaaS).

Submitted by femi9· Mar 5, 2026Describe Cloud Concepts

Question

You need to migrate an on-premises server by using a lift-and-shift migration. To which type of cloud service should you migrate?

Options

  • Ainfrastructure as a service (IaaS)
  • Bsoftware as a service (SaaS)
  • Cplatform as a service (PaaS)

How the community answered

(30 responses)
  • A
    93% (28)
  • B
    3% (1)
  • C
    3% (1)

Why each option

A lift-and-shift migration, involving moving existing on-premises servers to the cloud with minimal changes, is best suited for Infrastructure as a Service (IaaS).

Ainfrastructure as a service (IaaS)Correct

Infrastructure as a Service (IaaS) provides virtualized computing resources, such as virtual machines, networks, and storage, allowing organizations to "lift and shift" their existing on-premises servers and applications directly into the cloud without re-architecting them. This model provides the most control over the underlying operating system and application stack, mirroring the on-premises environment.

Bsoftware as a service (SaaS)

Software as a Service (SaaS) provides ready-to-use applications over the internet, which is not suitable for migrating an existing server's OS and applications.

Cplatform as a service (PaaS)

Platform as a Service (PaaS) provides a development and deployment environment, abstracting the underlying infrastructure, and typically requires re-architecting applications to fit the platform's constraints rather than a direct lift-and-shift.

Concept tested: Cloud service models (IaaS for lift-and-shift)

Source: https://learn.microsoft.com/en-us/azure/cloud-adoption-framework/strategy/cloud-migration-business-case#understand-migration-types-and-strategies

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