- A
Configure Safe Links policies to block the URL.
Why wrong: Safe Links policies protect email links but do not automatically block the URL on endpoints based on user reports.
- B
Configure an automated investigation and response (AIR) playbook in Microsoft 365 Defender.
Why wrong: AIR playbooks automate response actions but do not automatically block URLs on endpoints based on user reports.
- C
Configure anti-phishing policies in Defender for Office 365.
Why wrong: Anti-phishing policies handle impersonation and spoofing but not automatic URL blocking on endpoints.
- D
Configure the Tenant Allow/Block List for URLs in the Microsoft 365 Defender portal.
When a user reports a phishing email, the URL is automatically added to the tenant block list, which Defender for Endpoint uses to block the URL on all endpoints.
Quick Answer
The answer is to configure the Tenant Allow/Block List for URLs in the Microsoft 365 Defender portal. This works because when a user reports a phishing email via the Report Message add-in, Defender for Office 365 automatically adds the malicious URL to the tenant block list, and Defender for Endpoint natively respects this list to enforce blocking on all endpoints. On the MS-102 exam, this scenario tests your understanding of how the Tenant Allow/Block List acts as a centralized, cross-workload block mechanism, unlike Safe Links policies which only protect email links. A common trap is choosing a Defender for Endpoint indicator rule, but that requires manual creation and does not auto-populate from user reports. Memory tip: think of the Tenant Allow/Block List as the single source of truth for blocking—once a URL is reported, it’s blocked everywhere, not just in email.
MS-102 Practice Question: Manage security and threats by using Microsoft Defender XDR
This MS-102 practice question tests your understanding of manage security and threats by using microsoft defender xdr. 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.
Your organization uses Microsoft Defender for Office 365 and Microsoft Defender for Endpoint. You need to ensure that when a user reports a phishing email via the Microsoft Report Message add-in, the URL in the email is automatically blocked on all endpoints. What should you configure?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Configure the Tenant Allow/Block List for URLs in the Microsoft 365 Defender portal.
Option C is correct because Defender for Office 365 can automatically block URLs reported as phishing in the tenant's block list, which Defender for Endpoint respects. Option A is wrong because Safe Links applies protection on email but not automatically block on endpoints. Option B is wrong because it's part of Defender for Office 365 but doesn't block on endpoints. Option D is wrong because it's for endpoint detection response, not automatic blocking based on user reports.
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.
- ✗
Configure Safe Links policies to block the URL.
Why it's wrong here
Safe Links policies protect email links but do not automatically block the URL on endpoints based on user reports.
- ✗
Configure an automated investigation and response (AIR) playbook in Microsoft 365 Defender.
Why it's wrong here
AIR playbooks automate response actions but do not automatically block URLs on endpoints based on user reports.
- ✗
Configure anti-phishing policies in Defender for Office 365.
Why it's wrong here
Anti-phishing policies handle impersonation and spoofing but not automatic URL blocking on endpoints.
- ✓
Configure the Tenant Allow/Block List for URLs in the Microsoft 365 Defender portal.
Why this is correct
When a user reports a phishing email, the URL is automatically added to the tenant block list, which Defender for Endpoint uses to block the URL on all endpoints.
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.
What to study next
Got this wrong? Here's your next step.
Identify which MS-102 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.
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Manage security and threats by using Microsoft Defender XDR — study guide chapter
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FAQ
Questions learners often ask
What does this MS-102 question test?
Manage security and threats by using Microsoft Defender XDR — This question tests Manage security and threats by using Microsoft Defender XDR — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure the Tenant Allow/Block List for URLs in the Microsoft 365 Defender portal. — Option C is correct because Defender for Office 365 can automatically block URLs reported as phishing in the tenant's block list, which Defender for Endpoint respects. Option A is wrong because Safe Links applies protection on email but not automatically block on endpoints. Option B is wrong because it's part of Defender for Office 365 but doesn't block on endpoints. Option D is wrong because it's for endpoint detection response, not automatic blocking based on user reports.
What should I do if I get this MS-102 question wrong?
Identify which MS-102 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.
About these practice questions
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Last reviewed: Jun 21, 2026
This MS-102 practice question is part of Courseiva's free Microsoft certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the MS-102 exam.
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