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Describe Microsoft 365 apps and services →easyMultiple ChoiceObjective-mapped

MS-900 Describe Microsoft 365 apps and services Practice Question

This MS-900 practice question tests your understanding of describe microsoft 365 apps and services. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.

Exhibit

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "type": "Microsoft.Storage/storageAccounts",
      "apiVersion": "2021-02-01",
      "name": "[parameters('storageAccountName')]",
      "location": "[resourceGroup().location]",
      "kind": "StorageV2",
      "sku": {
        "name": "Standard_LRS"
      }
    }
  ]
}

Refer to the exhibit. The ARM template is used to deploy an Azure resource. Which Microsoft 365 service is most likely to use this template for storing data?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

  • Clue: "most likely"

    Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

Question 1easymultiple choice
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Exhibit

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "contentVersion": "1.0.0.0",
  "resources": [
    {
      "type": "Microsoft.Storage/storageAccounts",
      "apiVersion": "2021-02-01",
      "name": "[parameters('storageAccountName')]",
      "location": "[resourceGroup().location]",
      "kind": "StorageV2",
      "sku": {
        "name": "Standard_LRS"
      }
    }
  ]
}

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

✓

SharePoint Online

The ARM template in the exhibit deploys an Azure resource, and SharePoint Online is the Microsoft 365 service that most commonly uses Azure Resource Manager (ARM) templates for provisioning and managing its storage infrastructure, such as Azure SQL Database or Azure Storage accounts that back SharePoint's content databases. SharePoint Online relies on Azure services for scalable storage, and ARM templates are the standard deployment mechanism for these underlying Azure resources.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Answer analysis

Option-by-option breakdown

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

  • ✗

    Microsoft Teams

    Why it's wrong here

    Microsoft Teams uses SharePoint for files.

  • ✗

    Exchange Online

    Why it's wrong here

    Exchange Online uses its own store.

  • ✓

    SharePoint Online

    Why this is correct

    SharePoint Online uses Azure Storage for its content databases.

    Clue confirmation

    The clue word "most likely" in the question point toward this answer.

    Related concept

    Read the scenario before looking for a memorised answer.

  • ✗

    OneDrive for Business

    Why it's wrong here

    OneDrive for Business also uses SharePoint.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates may assume OneDrive for Business is the correct answer because it is a personal storage service, but they overlook that SharePoint Online is the underlying platform that provisions the Azure storage resources via ARM templates, making it the most likely service to use such templates for data storage.

Detailed technical explanation

How to think about this question

SharePoint Online's storage architecture leverages Azure SQL Database and Azure Blob Storage, and ARM templates allow administrators to deploy and configure these resources with declarative JSON syntax, including parameters for performance tiers, geo-replication, and backup policies. In a real-world scenario, a hybrid SharePoint farm might use an ARM template to deploy a dedicated Azure SQL Database for a content database, ensuring consistent configuration across environments. The template can also include nested deployments for network security groups and virtual networks, which are critical for compliance in regulated industries.

KKey Concepts to Remember

  • Read the scenario before looking for a memorised answer.
  • Find the constraint that changes the correct option.
  • Eliminate answers that are true in general but not in this case.

TExam Day Tips

  • Watch for words such as best, first, most likely and least administrative effort.
  • Review why wrong options are wrong, not only why the correct option is correct.

Key takeaway

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this MS-900 question test?

Describe Microsoft 365 apps and services — This question tests Describe Microsoft 365 apps and services — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: SharePoint Online — The ARM template in the exhibit deploys an Azure resource, and SharePoint Online is the Microsoft 365 service that most commonly uses Azure Resource Manager (ARM) templates for provisioning and managing its storage infrastructure, such as Azure SQL Database or Azure Storage accounts that back SharePoint's content databases. SharePoint Online relies on Azure services for scalable storage, and ARM templates are the standard deployment mechanism for these underlying Azure resources.

What should I do if I get this MS-900 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

Are there clue words in this question I should notice?

Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 24, 2026

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