The answer is Conditional Access App Control. This control is correct because it enforces real-time session policies that can monitor and block data exfiltration from sanctioned cloud apps as users interact with them, using reverse proxy technology to inspect and restrict actions like downloads, copy-paste, or printing within the app session. On the Microsoft Cybersecurity Architect exam, this question tests your ability to distinguish between Defender for Cloud Apps controls: app connectors offer only read-only API-based monitoring, cloud discovery merely identifies unsanctioned apps, and IP range policies govern location-based access, not session-level data protection. A common trap is assuming app connectors provide real-time blocking, but they lack the inline session control needed for immediate exfiltration prevention. Memory tip: think “Session = Stop” — Conditional Access App Control stops data leaks in the live session, while other controls only watch or label.
SC-100 Practice Question: Design security solutions for applications and data
This SC-100 practice question tests your understanding of design security solutions for applications and data. 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 company uses Microsoft Defender for Cloud Apps to discover shadow IT. You need to ensure that data exfiltration from sanctioned cloud apps is blocked in real-time. Which control should you configure?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Conditional Access App Control
Option C is correct because session-based Conditional Access App Control enforces real-time monitoring and control of app sessions. Option A is wrong because app connectors provide read-only monitoring. Option B is wrong because cloud discovery only identifies apps, not controls. Option D is wrong because IP address ranges are used for location policies, not session control.
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.
✓
Conditional Access App Control
Why this is correct
Session-based control uses reverse proxy to monitor and block data exfiltration in real time.
Related concept
Read the scenario before looking for a memorised answer.
✗
IP address ranges
Why it's wrong here
IP address ranges are used in access policies to restrict by location, not for session-level data control.
✗
Cloud discovery
Why it's wrong here
Cloud discovery identifies shadow IT but does not provide policy enforcement.
✗
App connector
Why it's wrong here
App connectors allow Defender for Cloud Apps to monitor sanctioned apps but do not enforce real-time blocking.
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 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.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this SC-100 question in full detail.
Identify which SC-100 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.
Design security solutions for applications and data — This question tests Design security solutions for applications and data — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Conditional Access App Control — Option C is correct because session-based Conditional Access App Control enforces real-time monitoring and control of app sessions. Option A is wrong because app connectors provide read-only monitoring. Option B is wrong because cloud discovery only identifies apps, not controls. Option D is wrong because IP address ranges are used for location policies, not session control.
What should I do if I get this SC-100 question wrong?
Identify which SC-100 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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