SC-100 Practice Question: Recommend security best practices and priorities
This SC-100 practice question tests your understanding of recommend security best practices and priorities. 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.
Refer to the exhibit. A company creates this Azure Policy definition and assigns it to a subscription. A developer attempts to create a storage account with blob encryption enabled. The creation fails. What is the most likely reason?
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.
The policy effect is set to 'deny' but should be 'audit'
Why wrong: 'deny' is appropriate to block non-compliant resources.
B
The field path for blob encryption is case-sensitive and may not match the actual property
Azure Policy field paths are case-sensitive; the correct path is 'Microsoft.Storage/storageAccounts/encryption.services.blob.enabled' with proper casing.
C
The policy uses 'allOf' incorrectly; it should use 'anyOf'
Why wrong: 'allOf' is correct for requiring both conditions.
D
The field path is not a valid Azure Resource Manager path
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The field path for blob encryption is case-sensitive and may not match the actual property
The policy definition uses the field path `Microsoft.Storage/storageAccounts/encryption.services.blob.enabled` to check for blob encryption. Azure Resource Manager property paths are case-sensitive, and the actual property for blob encryption is `Microsoft.Storage/storageAccounts/encryption.services.blob.enabled` with lowercase 'b' in 'blob'. If the path in the policy uses incorrect casing (e.g., 'Blob' with capital B), the policy engine cannot match the property, causing the deny effect to trigger incorrectly or fail to evaluate properly, leading to creation failure.
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 policy effect is set to 'deny' but should be 'audit'
Why it's wrong here
'deny' is appropriate to block non-compliant resources.
✓
The field path for blob encryption is case-sensitive and may not match the actual property
Why this is correct
Azure Policy field paths are case-sensitive; the correct path is 'Microsoft.Storage/storageAccounts/encryption.services.blob.enabled' with proper casing.
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.
✗
The policy uses 'allOf' incorrectly; it should use 'anyOf'
Why it's wrong here
'allOf' is correct for requiring both conditions.
✗
The field path is not a valid Azure Resource Manager path
Why it's wrong here
The path structure is valid.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Microsoft often tests the nuance that Azure Policy field paths are case-sensitive, tricking candidates who assume ARM properties are case-insensitive or who focus on the effect type rather than the path syntax.
Detailed technical explanation
How to think about this question
Azure Policy uses field paths that map directly to the Azure Resource Manager JSON schema for resource properties. These paths are case-sensitive because ARM property names are case-sensitive in the schema definition. For example, the `encryption.services.blob.enabled` property must match exactly the casing used in the resource provider's API version (e.g., `2021-02-01`). A common mistake is to use PascalCase (e.g., 'Blob') instead of camelCase ('blob'), which causes the policy engine to treat the field as non-existent, leading to unexpected deny or audit results.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-100 question in full detail.
Recommend security best practices and priorities — This question tests Recommend security best practices and priorities — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The field path for blob encryption is case-sensitive and may not match the actual property — The policy definition uses the field path `Microsoft.Storage/storageAccounts/encryption.services.blob.enabled` to check for blob encryption. Azure Resource Manager property paths are case-sensitive, and the actual property for blob encryption is `Microsoft.Storage/storageAccounts/encryption.services.blob.enabled` with lowercase 'b' in 'blob'. If the path in the policy uses incorrect casing (e.g., 'Blob' with capital B), the policy engine cannot match the property, causing the deny effect to trigger incorrectly or fail to evaluate properly, leading to creation failure.
What should I do if I get this SC-100 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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Question Discussion
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