The correct answer is to add the VPN IP range to the trusted IP addresses in Microsoft Defender for Cloud Apps. This works because Defender for Cloud Apps uses IP address ranges to distinguish between legitimate network traffic and suspicious sign-ins; by marking the VPN’s IP range as trusted, the system automatically excludes those sign-ins from impossible travel calculations, preventing false positives. On the SC-200 exam, this scenario tests your understanding of how to configure anomaly detection policies to reduce noise, often appearing as a multiple-choice question where distractors include disabling the policy or creating a custom detection rule. A common trap is thinking you need to modify the user’s risk level or create an alert suppression rule, but the direct fix is always adding the trusted IP range. Memory tip: “Trust the IP, not the travel” — if the source is a known VPN, add it to the trusted list to stop the false alert.
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.
An organization uses Microsoft Defender for Cloud Apps to detect anomalous behavior. An alert indicates that a user has signed in from an impossible travel scenario. The SOC analyst confirms the alert is a false positive due to a VPN. What should the analyst do to prevent future false positives for this user?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Add the VPN IP range to the trusted IP addresses in Defender for Cloud Apps.
The correct answer is C. Adding the trusted IP range in Microsoft Defender for Cloud Apps allows the system to ignore impossible travel alerts from VPNIPs. The other options are not effective or appropriate.
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.
✗
Change the user's location in Microsoft Entra ID.
Why it's wrong here
Changing location does not affect detection logic.
✗
Ignore the alert and continue monitoring.
Why it's wrong here
Ignoring does not prevent future false positives.
✗
Disable the impossible travel detection rule.
Why it's wrong here
Disabling the rule removes detection for all users, which is too broad.
✓
Add the VPN IP range to the trusted IP addresses in Defender for Cloud Apps.
Why this is correct
Trusted IPs are excluded from impossible travel detection.
Related concept
Read the scenario before looking for a memorised answer.
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-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: Add the VPN IP range to the trusted IP addresses in Defender for Cloud Apps. — The correct answer is C. Adding the trusted IP range in Microsoft Defender for Cloud Apps allows the system to ignore impossible travel alerts from VPN IPs. The other options are not effective or appropriate.
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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