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

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

Refer to the exhibit.

{
    "type": "Microsoft.Storage/storageAccounts/blobServices/containers",
    "apiVersion": "2021-09-01",
    "properties": {
        "publicAccess": "None",
        "immutabilityPolicy": {
            "immutabilityPeriodSinceCreationInDays": 30,
            "state": "Locked"
        },
        "defaultEncryptionScope": "$account-encryption-key",
        "denyEncryptionScopeOverride": true
    }
}

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

Question 1mediummultiple choice
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Exhibit

Refer to the exhibit.

{
    "type": "Microsoft.Storage/storageAccounts/blobServices/containers",
    "apiVersion": "2021-09-01",
    "properties": {
        "publicAccess": "None",
        "immutabilityPolicy": {
            "immutabilityPeriodSinceCreationInDays": 30,
            "state": "Locked"
        },
        "defaultEncryptionScope": "$account-encryption-key",
        "denyEncryptionScopeOverride": true
    }
}

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

✓

Users cannot override the default encryption scope for blobs in this container.

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.

Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.

Answer analysis

Option-by-option breakdown

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

  • ✗

    Double encryption is enabled for the container.

    Why it's wrong here

    Double encryption is a separate feature.

  • ✗

    Encryption at rest is required for all blobs in the container.

    Why it's wrong here

    Encryption at rest is always enabled; this setting doesn't change that.

  • ✗

    The container automatically uses a customer-managed key for encryption.

    Why it's wrong here

    The property doesn't specify key type; it's about scope override.

  • ✓

    Users cannot override the default encryption scope for blobs in this container.

    Why this is correct

    This property prevents using a different encryption scope than the default.

    Related concept

    Standard ACLs match source addresses.

Common exam traps

Common exam trap: ACLs stop at the first match

ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.

Detailed technical explanation

How to think about this question

ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.

KKey Concepts to Remember

  • Standard ACLs match source addresses.
  • Extended ACLs can match source, destination, protocol and ports.
  • The first matching ACL entry is used.
  • There is usually an implicit deny at the end.

TExam Day Tips

  • Check inbound versus outbound direction.
  • Read the ACL from top to bottom.
  • Look for a broader permit or deny above the intended line.

Key takeaway

ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.

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.

Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related SC-100 ACL questions on filtering logic and placement.

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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 — Standard ACLs match source addresses..

What is the correct answer to this question?

The correct answer is: Users cannot override the default encryption scope for blobs in this container. — 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.

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

Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related SC-100 ACL questions on filtering logic and placement.

What is the key concept behind this question?

Standard ACLs match source addresses.

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Last reviewed: Jun 21, 2026

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