The correct answer is a brute force attack on user accounts, as the KQL query detects this by identifying users with more than five high-risk sign-ins within a 24-hour period. The analytics rule in Microsoft Sentinel aggregates sign-in risk levels—such as those flagged by Azure AD Identity Protection—and counts how many times a single user triggers a high-risk event; when that count exceeds the threshold, it indicates repeated failed authentication attempts characteristic of a brute force attack. On the SC-200 exam, this scenario tests your ability to interpret analytics rule logic and map KQL results to attack types, with a common trap being confusion between brute force and unusual location anomalies. Remember that brute force focuses on volume of risk events per user, not geographic anomalies or data exfiltration. A helpful memory tip: think “five strikes and you’re out” to recall the threshold for high-risk sign-ins signaling a brute force attempt.
SC-200 Manage a security operations environment Practice Question
This SC-200 practice question tests your understanding of manage a security operations environment. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.
```kusto
SigninLogs
| where TimeGenerated > ago(1d)
| where RiskLevelDuringSignIn == "high"
| where RiskLevelAggregated == "high"
| project UserPrincipalName, IPAddress, RiskLevelDuringSignIn, RiskLevelAggregated
| summarize count() by UserPrincipalName
| where count_ > 5
```
Refer to the exhibit. You have an analytics rule in Microsoft Sentinel that uses this KQL query. The rule is configured to run every hour and alert when the result count is greater than 0. Which type of attack is this rule most likely detecting?
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.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Brute force attack on user accounts
Option A is correct because the query looks for users with high-risk sign-ins (both during and aggregated) and counts them; more than 5 high-risk sign-ins in a day suggests a brute force attempt where many failed attempts lead to high risk. Option B would be more about unusual locations. Option C would be about many downloads. Option D would be about privilege escalation.
Key principle: Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Privileged account misuse
Why it's wrong here
This would involve specific privileges, not just high-risk sign-ins.
✗
Data exfiltration via sign-in
Why it's wrong here
Data exfiltration is not directly related to sign-in risk levels.
✗
Account takeover from a new location
Why it's wrong here
That would be a single sign-in from an unusual location, not multiple high-risk events.
The clue word "most likely" in the question point toward this answer.
Related concept
Authentication checks who the user is.
Common exam traps
Common exam trap: authentication is not authorization
Logging in proves the user can authenticate. It does not automatically mean the user is allowed to enter privileged or configuration mode. Watch for AAA authorization, privilege level and command authorization details.
Detailed technical explanation
How to think about this question
This kind of question is testing the difference between identity and permission. A user may successfully log in to a router because authentication is working, but still fail to enter configuration mode because authorization is missing, misconfigured or mapped to a lower privilege level.
KKey Concepts to Remember
Authentication checks who the user is.
Authorization controls what the user is allowed to do after login.
Privilege levels affect access to EXEC and configuration commands.
AAA, TACACS+ and RADIUS can separate login success from command access.
TExam Day Tips
→Do not assume successful login means full administrative access.
→Look for words such as cannot enter configuration mode, privilege level, authorization or command access.
→Separate login problems from permission problems before choosing the answer.
Key takeaway
Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access.
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. Authentication proves identity; authorization controls what that identity can do after login. Both must work for full privileged access. 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-200 question in full detail.
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related SC-200 questions on access control and AAA configuration.
Manage a security operations environment — This question tests Manage a security operations environment — Authentication checks who the user is..
What is the correct answer to this question?
The correct answer is: Brute force attack on user accounts — Option A is correct because the query looks for users with high-risk sign-ins (both during and aggregated) and counts them; more than 5 high-risk sign-ins in a day suggests a brute force attempt where many failed attempts lead to high risk. Option B would be more about unusual locations. Option C would be about many downloads. Option D would be about privilege escalation.
What should I do if I get this SC-200 question wrong?
Review Cisco AAA concepts — authentication, authorization, and accounting. Study privilege levels (0–15), command authorization under TACACS+, and how RADIUS differs. Then practise related SC-200 questions on access control and AAA configuration.
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?
Authentication checks who the user is.
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