Describe Microsoft 365 pricing, licensing, and support →mediumMultiple Choice

MS-900 Practice Question: Describe Microsoft 365 pricing, licensing, and support

Exhibit

Refer to the exhibit.
{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "type": "Microsoft.Storage/storageAccounts",
      "apiVersion": "2021-09-01",
      "name": "[parameters('storageName')]",
      "location": "[resourceGroup().location]",
      "kind": "StorageV2",
      "sku": {
        "name": "Standard_LRS"
      }
    }
  ]
}

An administrator is reviewing an ARM template for a storage account. The template includes a storage account with Standard_LRS redundancy. Which Microsoft 365 licensing feature does this relate to?

⚠ Common exam trap

Many exam-takers confuse Azure storage redundancy (Standard_LRS) with Microsoft 365 user storage features like OneDrive or SharePoint quotas, but the question specifically ties to the backend infrastructure for audit log storage in Microsoft Purview.

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

Microsoft Purview audit log storage

The ARM template's Standard_LRS redundancy is used for Azure storage accounts, which underpin Microsoft 365's audit log storage in Microsoft Purview. Audit logs are stored in Azure Blob Storage, and Standard_LRS (Locally Redundant Storage) is the default redundancy tier for this data, providing three copies within a single datacenter. This directly links to the Purview audit log storage feature, not user-facing storage quotas or limits.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✗
OneDrive for Business storage
Why it's wrong here
OneDrive for Business storage is allocated from the SharePoint Online storage pool and is managed by Microsoft 365, not by an Azure Storage account. ARM templates deploy Azure resources like storage accounts, but OneDrive storage is a SaaS offering that cannot be provisioned or configured through an ARM template. It is scoped to a user's personal library, not tied to the Azure infrastructure that ARM templates control.
✓
Microsoft Purview audit log storage
Why this is correct
Microsoft Purview audit log storage is correct because the compliance service can use an Azure Storage account for long-term retention of audit records beyond the default retention period. An ARM template is the standard way to deploy that storage account, along with settings like network access, encryption, or a private endpoint. This directly aligns with the administrator's review of an ARM template for storage, as Purview integration explicitly supports Azure Storage as a destination.
✗
SharePoint Online storage quotas
Why it's wrong here
SharePoint Online storage quotas are administratively assigned within the Microsoft 365 admin center and represent a shared pool provided by the service, not an Azure-resource-deployed blob store. Since ARM templates only manage Azure infrastructure, a SharePoint quota is not a deployable object in a template and has no correlation to an ARM-defined storage account. Even when SharePoint Online uses Azure for certain features, the core quota itself remains part of the Microsoft 365 service boundary.
✗
Exchange Online mailbox limits
Why it's wrong here
Exchange Online mailbox limits are enforced by Microsoft 365 based on license type and mailbox database settings, with no dependency on an Azure Storage account or ARM template. ARM templates cannot create or affect Exchange Online mailbox storage because the mailbox backend is entirely hidden within Microsoft's datacenter and isn't exposed to the Azure Resource Manager API. Therefore, an administrator reviewing an ARM template for storage would never intend an Exchange mailbox, as it lacks any Azure storage representation.

Quick reference

Azure Blob Storage Tier Comparison

Tier	Storage Cost	Retrieval Cost	Latency	Use Case
Hot	Highest	Lowest	Immediate	Active data, frequent reads
Cool	Lower	Higher	Immediate	Data accessed < once / month
Cold	Lower still	Higher	Immediate	Data accessed < once / quarter
Archive	Lowest	Highest + rehydration delay	Hours	Long-term compliance retention

Go deeper

MS-900 Practice Question: Describe Microsoft 365 pricing, licensing, and support

Exhibit

Why each option matters

Option-by-option breakdown

Azure Blob Storage Tier Comparison

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