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.
Which TWO of the following are capabilities of Microsoft Defender for Office 365?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Scan email attachments in a sandbox environment before delivery
Option A is correct because Microsoft Defender for Office 365 includes Safe Attachments, which detonates email attachments in a virtual sandbox environment before delivery to the user's mailbox. This allows the service to analyze the file for malicious behavior without risking the recipient's device.
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.
✓
Scan email attachments in a sandbox environment before delivery
Why this is correct
Safe Attachments does this.
Related concept
Read the scenario before looking for a memorised answer.
✓
Protect against spear-phishing attacks using impersonation protection
Why this is correct
Defender for Office 365 includes impersonation protection.
Related concept
Read the scenario before looking for a memorised answer.
✗
Enforce device compliance policies for mobile devices
Why it's wrong here
This is a feature of Microsoft Intune.
✗
Place a legal hold on mailboxes for eDiscovery
Why it's wrong here
This is a feature of Microsoft Purview eDiscovery.
✗
Monitor user behavior for compromised accounts
Why it's wrong here
This is a feature of Microsoft Defender for Identity.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse the broader Microsoft 365 Defender suite (which includes Defender for Office 365, Defender for Endpoint, Defender for Identity, and Defender for Cloud Apps) with the specific capabilities of Defender for Office 365 alone, leading them to select features like UEBA or device compliance that belong to other security products.
Detailed technical explanation
How to think about this question
Defender for Office 365's sandboxing (Safe Attachments) uses a hypervisor-based isolation environment to detonate attachments, analyzing behavior such as registry changes, network connections, and file system modifications. The impersonation protection in Anti-Phishing policies uses a machine learning model that analyzes sender domains, display names, and email header patterns to detect attempts to spoof executives or trusted partners. These protections are applied at the transport layer (during SMTP delivery) before the email reaches the user's inbox.
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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-900 question in full detail.
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: Scan email attachments in a sandbox environment before delivery — Option A is correct because Microsoft Defender for Office 365 includes Safe Attachments, which detonates email attachments in a virtual sandbox environment before delivery to the user's mailbox. This allows the service to analyze the file for malicious behavior without risking the recipient's device.
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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Question Discussion
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