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Microsoft AZ-500: Which Azure VMs with Windows and Linux Support Confidential Computing?

Discover which Azure virtual machines running Windows Server 2022 and popular Linux distributions can be deployed as confidential VMs to enhance security and privacy.

Table of Contents

Question

You have an Azure subscription.

You plan to deploy the virtual machines shown in the following table.

Name Size Operating system
VM1 DC4ads_v5 Windows Server 2022 Datacenter: Azure Edition
VM2 D2ads_v5 Windows Server 2022 Standard
VM3 EC4ads_v5 Windows Server 2022 Datacenter
VM4 D2ads_v5 Debian
VM5 EC4ads_v5 Ubuntu Server
VM6 DC4ads_v5 SUSE Linux Enterprise Server

You need to identify the virtual machines and operating systems that can be deployed as confidential virtual machines?

Which Windows virtual machines and which Linux virtual machines should you identify?

Windows:

  • VM1 only
  • VM3 only
  • VM1 and VM2 only
  • VM1 and VM3 only
  • VM1, VM2, and VM3

Linux:

  • VM5 only
  • VM6 only
  • VM4 and VM6 only
  • VM5 and VM6 only
  • VM4, VM5, and VM6

Answer

Windows: VM1 only

Linux: VM6 only

Explanation

To identify which of the given Windows and Linux virtual machines can be deployed as confidential VMs in Azure, we need to consider two key factors:

  1. The VM size must support confidential computing. Currently, the DCsv3 and DCdsv3 series (such as DC4ds_v3) are the Azure VM sizes that enable confidential computing capabilities.
  2. The operating system must be a supported version for confidential computing on Azure.

For the Windows virtual machines:

  • VM1 (DC4ads_v5, Windows Server 2022 Datacenter: Azure Edition) supports confidential computing because it uses a DCsv3 size and a supported OS version.
  • VM2 (D2ads_v5, Windows Server 2022 Standard) does not support confidential computing because the D2ads_v5 size is not DCsv3/DCdsv3.
  • VM3 (EC4ads_v5, Windows Server 2022 Datacenter) does not support confidential computing because the EC4ads_v5 size is not DCsv3/DCdsv3.

Therefore, for the Windows VMs, only VM1 can be deployed as a confidential virtual machine.

For the Linux virtual machines:

  • VM4 (D2ads_v5, Debian) does not support confidential computing because the D2ads_v5 size is not DCsv3/DCdsv3.
  • VM5 (EC4ads_v5, Ubuntu Server) does not support confidential computing because the EC4ads_v5 size is not DCsv3/DCdsv3.
  • VM6 (DC4ads_v5, SUSE Linux Enterprise Server) supports confidential computing because it uses a DCsv3 size and SUSE Linux Enterprise Server is a supported distribution for confidential VMs.

Therefore, for the Linux VMs, only VM6 can be deployed as a confidential virtual machine.

In summary, you should identify VM1 for Windows and VM6 for Linux as the virtual machines that can be deployed as confidential VMs based on their VM size and operating system.

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