The correct next step is to investigate the alert details in the Microsoft Defender XDR portal. This is because the PowerShell output has already confirmed a High severity, New status alert within Microsoft Defender for Endpoint, and the unified Microsoft 365 Defender portal (now the XDR portal) provides the full context—such as the alert story, related incidents, and device timeline—needed to determine the appropriate response. On the SC-900 exam, this scenario tests your understanding of the investigation workflow within Microsoft’s extended detection and response (XDR) ecosystem, emphasizing that the portal is the central hub for triage, not for adjusting severity or creating separate rules. A common trap is assuming you must first create a Sentinel rule or resolve the alert immediately, but the core principle is that investigation precedes action. Memory tip: When you see a new High alert, think “Portal first, action second.”
SC-900 Practice Question: Describe the capabilities of Microsoft security solutions
This SC-900 practice question tests your understanding of describe the capabilities of microsoft security solutions. 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
Refer to the exhibit.
$MDEAlert = Get-MDEAlert -Id '123456'
$MDEAlert | Select-Object -Property Id, Title, Severity, Status, LastUpdateTime
Refer to the exhibit. An administrator runs the PowerShell command against Microsoft Defender for Endpoint. The output shows an alert with Severity 'High' and Status 'New'. What should the administrator do next to investigate the alert?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Investigate the alert details in the Microsoft Defender XDR portal
Option A is correct because the administrator should investigate the alert in the Microsoft Defender XDR portal to understand the context and determine next steps. Option B is wrong because severity is already high, so it's not about adjusting. Option C is wrong because the alert is new, not resolved. Option D is wrong because the alert is already in Defender, no need to create a Sentinel rule first.
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 severity to Medium to reduce false positives
Why it's wrong here
Changing severity won't help investigation.
✗
Resolve the alert as a false positive
Why it's wrong here
No evidence it's a false positive.
✗
Create a Microsoft Sentinel analytics rule from the alert
Why it's wrong here
The alert is already in Defender; Sentinel can ingest it, but not necessary first step.
✓
Investigate the alert details in the Microsoft Defender XDR portal
Why this is correct
The portal provides detailed information and actions.
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-900 question in full detail.
Identify which SC-900 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.
Describe the capabilities of Microsoft security solutions — This question tests Describe the capabilities of Microsoft security solutions — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Investigate the alert details in the Microsoft Defender XDR portal — Option A is correct because the administrator should investigate the alert in the Microsoft Defender XDR portal to understand the context and determine next steps. Option B is wrong because severity is already high, so it's not about adjusting. Option C is wrong because the alert is new, not resolved. Option D is wrong because the alert is already in Defender, no need to create a Sentinel rule first.
What should I do if I get this SC-900 question wrong?
Identify which SC-900 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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