- A
Monitor network traffic
Why wrong: That is more for network security tools.
- B
Manage mobile devices
Why wrong: That is Intune.
- C
Protect on-premises servers
Why wrong: It is for cloud apps.
- D
Secure cloud applications and data
Correct: It acts as a CASB for cloud apps.
Question 1,266 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.
What is the primary purpose of Microsoft Defender for Cloud Apps?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue:
"primary"Why it matters: Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
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
✓
Secure cloud applications and data
Microsoft Defender for Cloud Apps is a Cloud Access Security Broker (CASB) that provides visibility, data controls, and threat protection for cloud applications and data. Its primary purpose is to secure cloud apps (like Microsoft 365, Salesforce, or Dropbox) by enforcing policies, detecting anomalous behavior, and preventing data exfiltration, not to manage network traffic, mobile devices, or on-premises servers.
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.
- ✗
Monitor network traffic
Why it's wrong here
That is more for network security tools.
- ✗
Manage mobile devices
Why it's wrong here
That is Intune.
- ✗
Protect on-premises servers
Why it's wrong here
It is for cloud apps.
- ✓
Secure cloud applications and data
Why this is correct
Correct: It acts as a CASB for cloud apps.
Clue confirmation
The clue word "primary" in the question point toward this answer.
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 may confuse Defender for Cloud Apps with a general-purpose security tool, mistakenly thinking it monitors network traffic (Option A) or protects on-premises servers (Option C), when its focus is exclusively on cloud application security and data protection.
Detailed technical explanation
How to think about this question
Defender for Cloud Apps works by integrating with cloud app APIs (e.g., using OAuth tokens) to gain deep visibility into user activities, file sharing, and permissions—this is known as API-based discovery. It also uses reverse proxy (conditional access app control) to enforce real-time session policies, such as blocking downloads of sensitive data from a managed browser. A subtle behavior is that it can detect shadow IT by analyzing firewall logs via log collectors to identify unapproved cloud apps being used in the organization.
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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.
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: Secure cloud applications and data — Microsoft Defender for Cloud Apps is a Cloud Access Security Broker (CASB) that provides visibility, data controls, and threat protection for cloud applications and data. Its primary purpose is to secure cloud apps (like Microsoft 365, Salesforce, or Dropbox) by enforcing policies, detecting anomalous behavior, and preventing data exfiltration, not to manage network traffic, mobile devices, or on-premises servers.
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.
Are there clue words in this question I should notice?
Yes — watch for: "primary". Asks for the main purpose or function, not a secondary benefit. Eliminate answers that describe side-effects or partial functions.
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: 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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