The correct answer is to retrieve SQL injection alerts from the past 7 days with specific fields. This KQL query uses the `where` operator to filter the `AlertInfo` table for events where the `AlertName` contains “SQL injection,” then applies a time range filter with `Timestamp > ago(7d)` to limit results to the last week, and finally uses the `project` operator to display only the relevant columns like `Timestamp`, `AlertName`, and `Severity`. On the Microsoft Cybersecurity Architect exam, this question tests your ability to interpret KQL syntax for threat hunting and incident response scenarios, specifically distinguishing between filtering, projection, and aggregation. A common trap is assuming the query shows all alerts or performs a count, but the absence of `summarize` or `join` operators confirms it only retrieves and narrows down specific SQL injection alerts. Memory tip: think “Where filters, Project selects, Summarize counts” — if you don’t see Summarize, you’re not aggregating.
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. Examine the command output carefully: the correct answer depends on what the output actually shows, not on general recall alone. 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
Consider the following Kusto Query Language (KQL) query used in Microsoft Sentinel:
SecurityAlert
| where TimeGenerated > ago(7d)
| where AlertName contains "SQL injection"
| project TimeGenerated, AlertName, CompromisedEntity, AlertSeverity
Refer to the exhibit. What is the purpose of this KQL query?
Consider the following Kusto Query Language (KQL) query used in Microsoft Sentinel:
SecurityAlert
| where TimeGenerated > ago(7d)
| where AlertName contains "SQL injection"
| project TimeGenerated, AlertName, CompromisedEntity, AlertSeverity
A
To count the number of SQL injection alerts by severity.
Why wrong: The query does not use summarize or count; it projects individual events.
B
To retrieve SQL injection alerts from the past 7 days with specific fields.
The query selects alerts where AlertName contains 'SQL injection' and projects selected columns.
C
To join security alerts with other data sources to find compromised entities.
Why wrong: The query does not use any join operators.
D
To list all security alerts generated in the last 7 days.
Why wrong: The query filters by AlertName containing 'SQL injection', not all alerts.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
To retrieve SQL injection alerts from the past 7 days with specific fields.
Option B is correct. The query filters for SQL injection alerts in the last 7 days and projects relevant columns. Option A is wrong because it does not show all alerts, only SQL injection ones. Option C is wrong because it does not join with other tables. Option D is wrong because it does not aggregate or count alerts.
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.
✗
To count the number of SQL injection alerts by severity.
Why it's wrong here
The query does not use summarize or count; it projects individual events.
✓
To retrieve SQL injection alerts from the past 7 days with specific fields.
Why this is correct
The query selects alerts where AlertName contains 'SQL injection' and projects selected columns.
Related concept
Read the scenario before looking for a memorised answer.
✗
To join security alerts with other data sources to find compromised entities.
Why it's wrong here
The query does not use any join operators.
✗
To list all security alerts generated in the last 7 days.
Why it's wrong here
The query filters by AlertName containing 'SQL injection', not all alerts.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-100 question in full detail.
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.
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: To retrieve SQL injection alerts from the past 7 days with specific fields. — Option B is correct. The query filters for SQL injection alerts in the last 7 days and projects relevant columns. Option A is wrong because it does not show all alerts, only SQL injection ones. Option C is wrong because it does not join with other tables. Option D is wrong because it does not aggregate or count alerts.
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.
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