SC-200 Respond to security incidents Practice Question
This SC-200 practice question tests your understanding of respond to security incidents. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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.
```kql
let TimeRange = 7d;
let Threshold = 100;
SigninLogs
| where TimeGenerated > ago(TimeRange)
| where ResultType == "50057"
| summarize Attempts = count() by UserPrincipalName, IPAddress
| where Attempts > Threshold
```
Refer to the exhibit. The KQL query is used in a Microsoft Sentinel scheduled alert rule. What scenario does this query detect?
Refer to the exhibit.
```kql
let TimeRange = 7d;
let Threshold = 100;
SigninLogs
| where TimeGenerated > ago(TimeRange)
| where ResultType == "50057"
| summarize Attempts = count() by UserPrincipalName, IPAddress
| where Attempts > Threshold
```
A
Multiple MFA denial events from a single user.
Why wrong: MFA denials have ResultType 500121 or similar.
B
Brute force attacks against Azure AD accounts using invalid passwords.
Why wrong: Invalid password has a different ResultType (50126).
C
Attempts to sign in with disabled user accounts.
ResultType 50057 corresponds to 'User account is disabled'.
D
Brute force attacks from a single IP address against multiple accounts.
Why wrong: The query groups by user and IP, but the specific result type indicates disabled accounts, not brute force generally.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Attempts to sign in with disabled user accounts.
Option C is correct. ResultType 50057 indicates user account is disabled (or other reason for rejection). The query counts failed sign-ins due to disabled accounts, which can indicate an attacker trying to use a disabled account. Option A is not specific to disabled accounts. Option B is about MFA, not 50057. Option D is about IP brute force, but the result type is specific.
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.
Brute force attacks against Azure AD accounts using invalid passwords.
Why it's wrong here
Invalid password has a different ResultType (50126).
✓
Attempts to sign in with disabled user accounts.
Why this is correct
ResultType 50057 corresponds to 'User account is disabled'.
Related concept
Read the scenario before looking for a memorised answer.
✗
Brute force attacks from a single IP address against multiple accounts.
Why it's wrong here
The query groups by user and IP, but the specific result type indicates disabled accounts, not brute force generally.
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.
Trap categories for this question
Similar concept trap
MFA denials have ResultType 500121 or similar.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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: Attempts to sign in with disabled user accounts. — Option C is correct. ResultType 50057 indicates user account is disabled (or other reason for rejection). The query counts failed sign-ins due to disabled accounts, which can indicate an attacker trying to use a disabled account. Option A is not specific to disabled accounts. Option B is about MFA, not 50057. Option D is about IP brute force, but the result type is specific.
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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