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Design security solutions for applications and data →mediumMultiple ChoiceObjective-mapped

Quick Answer

The correct answer is that blobs cannot be modified or deleted for 365 days after creation. This is because the ARM template configures immutable storage for the Azure Storage container by enabling versioning and setting an immutability period of 365 days, which locks all blobs at the time of upload, preventing any writes or deletes during that window. On the Microsoft Cybersecurity Architect exam, this scenario tests your understanding of how Azure Storage container immutable storage configuration enforces compliance policies, often appearing as a trick where candidates confuse public access settings with immutability rules. A common trap is assuming that setting publicAccess to 'None' affects immutability, but it only blocks anonymous access, while the immutability policy independently governs blob modifications. Remember the key distinction: immutability controls data retention, not access permissions. For a quick memory tip, think "365 days of no delete or edit" to recall that the immutability period directly prevents any changes to blobs after creation.

SC-100 Practice Question: Design security solutions for applications and data

This SC-100 practice question tests your understanding of design security solutions for applications and data. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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

{
  "type": "Microsoft.Storage/storageAccounts/blobServices/containers",
  "apiVersion": "2023-01-01",
  "name": "[concat(parameters('storageAccountName'), '/default/', parameters('containerName'))]",
  "properties": {
    "publicAccess": "None",
    "immutableStorageWithVersioning": {
      "enabled": true,
      "immutabilityPolicy": {
        "allowProtectedAppendWrites": false,
        "immutabilityPeriodSinceCreationInDays": 365
      }
    }
  }
}

Refer to the exhibit. You are deploying an Azure Storage container for storing compliance records. The ARM template snippet above configures the container. Which statement accurately describes the configuration?

Question 1mediummultiple choice
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Exhibit

{
  "type": "Microsoft.Storage/storageAccounts/blobServices/containers",
  "apiVersion": "2023-01-01",
  "name": "[concat(parameters('storageAccountName'), '/default/', parameters('containerName'))]",
  "properties": {
    "publicAccess": "None",
    "immutableStorageWithVersioning": {
      "enabled": true,
      "immutabilityPolicy": {
        "allowProtectedAppendWrites": false,
        "immutabilityPeriodSinceCreationInDays": 365
      }
    }
  }
}

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

✓

Blobs cannot be modified or deleted for 365 days after creation.

Option D is correct. The snippet sets publicAccess to 'None', so no anonymous access is allowed. It enables immutable storage with versioning and sets an immutability period of 365 days, meaning blobs cannot be deleted or modified for 365 days after creation. Option A is wrong because public access is set to None. Option B is wrong because allowProtectedAppendWrites is false, so append blobs cannot be written. Option C is wrong because versioning is enabled.

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.

  • ✗

    The container allows protected append writes.

    Why it's wrong here

    allowProtectedAppendWrites is false.

  • ✗

    Blob versioning is disabled for the container.

    Why it's wrong here

    immutableStorageWithVersioning is enabled.

  • ✗

    The container allows anonymous read access.

    Why it's wrong here

    publicAccess is set to None.

  • ✓

    Blobs cannot be modified or deleted for 365 days after creation.

    Why this is correct

    Immutability policy enforces a 365-day retention period.

    Related concept

    Read the scenario before looking for a memorised answer.

Common exam traps

Common exam trap: answer the scenario, not the keyword

Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.

Detailed technical explanation

How to think about this question

This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.

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.
  • Use explanations to understand the rule behind the answer.

TExam Day Tips

  • Underline the problem statement mentally.
  • 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 SC-100 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

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FAQ

Questions learners often ask

What does this SC-100 question test?

Design security solutions for applications and data — This question tests Design security solutions for applications and data — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Blobs cannot be modified or deleted for 365 days after creation. — Option D is correct. The snippet sets publicAccess to 'None', so no anonymous access is allowed. It enables immutable storage with versioning and sets an immutability period of 365 days, meaning blobs cannot be deleted or modified for 365 days after creation. Option A is wrong because public access is set to None. Option B is wrong because allowProtectedAppendWrites is false, so append blobs cannot be written. Option C is wrong because versioning is enabled.

What should I do if I get this SC-100 question wrong?

Identify which SC-100 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

About these practice questions

Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →

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Same concept, more angles

1 more ways this is tested on SC-100

These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.

Variation 1. You are reviewing the ARM template snippet for an Azure Storage container. What does the 'denyEncryptionScopeOverride' property set to 'true' ensure?

medium
  • A.Double encryption is enabled for the container.
  • B.Encryption at rest is required for all blobs in the container.
  • C.The container automatically uses a customer-managed key for encryption.
  • ✓ D.Users cannot override the default encryption scope for blobs in this container.

Why D: Option A is correct because when 'denyEncryptionScopeOverride' is true, all blobs in the container must use the default encryption scope and cannot specify a different scope. Option B is wrong because it is about enforcing default scope, not requiring customer-managed keys. Option C is wrong because encryption at rest is always enabled; this setting controls scope override. Option D is wrong because it doesn't affect double encryption.

Last reviewed: Jun 21, 2026

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