The answer is the KQL filter `OperationName == 'Storage Blob Upload'` in the AzureActivity table. This is correct because data exfiltration to external storage requires an upload action, and AzureActivity logs every blob upload as a distinct operation, recording the target storage account name in the `Resource` field. On the SC-200 exam, this question tests your ability to distinguish between management-plane operations (like listing keys or provisioning accounts) and data-plane operations that move data out of your environment. A common trap is confusing `List Storage Keys` with the actual upload—listing keys is a precursor, not the exfiltration event itself. To detect data exfiltration to external storage in AzureActivity, always focus on write operations to blob containers rather than read or configuration changes. Memory tip: think “Upload = Exfiltrate” and remember that the storage account name is embedded in the `Resource` property of the `Storage Blob Upload` event.
SC-200 Respond to security incidents Practice Question
This SC-200 practice question tests your understanding of respond to security incidents. 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.
You are responding to a data exfiltration incident in Microsoft Sentinel. The attacker used a PowerShell script to upload data to an external storage account. You need to identify the specific storage account used. Which KQL query should you use in the AzureActivity table?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
OperationName == 'Storage Blob Upload'
Option C is correct because Storage Blob Upload is the operation for uploading data. Option A is wrong because List Storage Keys is for managing storage account keys. Option B is wrong because Create or Update Storage Account is for provisioning. Option D is wrong because Get Storage Account Properties is read-only.
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.
✗
OperationName == 'Get Storage Account Properties'
Why it's wrong here
Getting properties is a read operation, not an upload.
✓
OperationName == 'Storage Blob Upload'
Why this is correct
Storage Blob Upload is the operation that corresponds to uploading data to a blob.
Related concept
Read the scenario before looking for a memorised answer.
✗
OperationName == 'Create or Update Storage Account'
Why it's wrong here
Creating or updating a storage account is provisioning, not uploading data.
✗
OperationName == 'List Storage Account Keys'
Why it's wrong here
Listing keys is not the upload operation.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-200 question in full detail.
Identify which SC-200 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.
Respond to security incidents — This question tests Respond to security incidents — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: OperationName == 'Storage Blob Upload' — Option C is correct because Storage Blob Upload is the operation for uploading data. Option A is wrong because List Storage Keys is for managing storage account keys. Option B is wrong because Create or Update Storage Account is for provisioning. Option D is wrong because Get Storage Account Properties is read-only.
What should I do if I get this SC-200 question wrong?
Identify which SC-200 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.
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Question Discussion
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