- A
Exchange Online Protection (EOP) filtering
Why wrong: EOP is the default filter; if it didn't block, additional layers are needed.
- B
Anti-phish policy
Why wrong: Anti-phish policies detect phishing but do not provide real-time link reputation.
- C
Safe Attachments policy
Why wrong: Safe Attachments scans attachments, not links.
- D
Safe Links policy
Safe Links protects and allows investigation of URLs in emails.
Question 377 of 1,411
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. 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.
Your organization uses Microsoft Defender XDR (formerly Microsoft 365 Defender). A user reports receiving a suspicious email with a link. The email was not blocked by Exchange Online Protection (EOP). Which feature should you use to investigate the link's reputation in real time?
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
✓
Safe Links policy
Safe Links is the correct feature because it provides real-time URL reputation checking at the time of click. When a user clicks a link in an email, Safe Links checks the link against Microsoft's threat intelligence to determine if it is malicious, even if the email itself was not blocked by EOP. This allows investigation of the suspicious link's reputation after delivery.
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.
- ✗
Exchange Online Protection (EOP) filtering
Why it's wrong here
EOP is the default filter; if it didn't block, additional layers are needed.
- ✗
Anti-phish policy
Why it's wrong here
Anti-phish policies detect phishing but do not provide real-time link reputation.
- ✗
Safe Attachments policy
Why it's wrong here
Safe Attachments scans attachments, not links.
- ✓
Safe Links policy
Why this is correct
Safe Links protects and allows investigation of URLs in emails.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse Safe Links with Safe Attachments, thinking both handle links, but Safe Attachments only scans file attachments, not URLs embedded in email bodies.
Detailed technical explanation
How to think about this question
Safe Links uses URL detonation and reputation scoring based on Microsoft's threat intelligence feeds, including signals from the Microsoft Intelligent Security Graph. When a user clicks a link, Safe Links rewrites the URL to route through Microsoft's proxy, where it checks against block lists, analyzes the destination, and can block or warn the user in real time. This is distinct from EOP's pre-delivery filtering, which relies on static signatures and heuristic analysis.
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.
TExam Day Tips
- 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.
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FAQ
Questions learners often ask
What does this SC-900 question test?
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: Safe Links policy — Safe Links is the correct feature because it provides real-time URL reputation checking at the time of click. When a user clicks a link in an email, Safe Links checks the link against Microsoft's threat intelligence to determine if it is malicious, even if the email itself was not blocked by EOP. This allows investigation of the suspicious link's reputation after delivery.
What should I do if I get this SC-900 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
This SC-900 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 SC-900 exam.
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