The answer is to enable Azure Defender for Containers in Microsoft Defender for Cloud and integrate with Azure Container Registry for image scanning. This configuration is correct because Azure Defender for Containers provides built-in vulnerability assessment for images stored in ACR, scanning them for known CVEs before they are deployed to an AKS cluster, while also delivering runtime threat detection for the cluster itself. On the Microsoft Cybersecurity Architect exam, this scenario tests your understanding of how Defender for Cloud’s container-specific plan handles both pre-deployment image scanning and post-deployment threat monitoring, a common trap being to confuse Azure Policy (which only enforces admission controls) or Microsoft Sentinel (which handles log analysis) with actual vulnerability scanning. A useful memory tip is to remember that Defender for Containers is the only option that directly integrates ACR scanning with AKS threat detection, so think “ACR scan + AKS protect equals Defender for Containers.”
SC-100 Design security solutions for infrastructure Practice Question
This SC-100 practice question tests your understanding of design security solutions for infrastructure. 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.
You are designing a security solution for an Azure Kubernetes Service (AKS) cluster that runs containerized workloads. The cluster must be integrated with Microsoft Defender for Cloud for threat detection, and you need to ensure that container images are scanned for vulnerabilities before deployment. What 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
✓
Enable Azure Defender for Containers in Microsoft Defender for Cloud and integrate with Azure Container Registry for image scanning.
Option A is correct because Azure Defender for Containers provides vulnerability scanning for images in Azure Container Registry and threat detection for AKS. Option B is wrong because Azure Policy only enforces admission controls, not scanning. Option C is wrong because Microsoft Sentinel is for log analysis. Option D is wrong because Microsoft Defender for Cloud Apps is for cloud app security, not container scanning.
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.
✗
Enable Microsoft Defender for Cloud Apps to discover and assess container vulnerabilities.
Why it's wrong here
Defender for Cloud Apps focuses on SaaS applications, not container images.
✗
Deploy Azure Policy for Kubernetes with built-in policies to enforce image scanning.
Why it's wrong here
Azure Policy for AKS enforces compliance, but does not perform vulnerability scanning.
✓
Enable Azure Defender for Containers in Microsoft Defender for Cloud and integrate with Azure Container Registry for image scanning.
Why this is correct
Azure Defender for Containers includes vulnerability assessment for images in ACR.
Related concept
Read the scenario before looking for a memorised answer.
✗
Configure Microsoft Sentinel to collect container logs and detect vulnerabilities.
Why it's wrong here
Sentinel is not designed for image vulnerability scanning.
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.
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 infrastructure — This question tests Design security solutions for infrastructure — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Enable Azure Defender for Containers in Microsoft Defender for Cloud and integrate with Azure Container Registry for image scanning. — Option A is correct because Azure Defender for Containers provides vulnerability scanning for images in Azure Container Registry and threat detection for AKS. Option B is wrong because Azure Policy only enforces admission controls, not scanning. Option C is wrong because Microsoft Sentinel is for log analysis. Option D is wrong because Microsoft Defender for Cloud Apps is for cloud app security, not container scanning.
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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