Immediate Result of Enabling Microsoft Defender for Cloud with ARM Template
This MS-900 practice question tests your understanding of describe cloud concepts. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Refer to the exhibit. An administrator is configuring a new Azure subscription with this ARM template snippet for Microsoft Defender for Cloud. What will be the immediate result?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
The subscription will be monitored for security issues and receive recommendations
The ARM template snippet enables Microsoft Defender for Cloud at the subscription level. By default, this activates the foundational Cloud Security Posture Management (CSPM) capabilities, which continuously assess the subscription's resources against security baselines and generate actionable security recommendations. This does not automatically onboard VMs to Defender for Endpoint or apply the highest security tier; it simply enables monitoring and recommendations.
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.
✗
All virtual machines will be automatically onboarded to Microsoft Defender for Endpoint
Why it's wrong here
Automatic onboarding to Defender for Endpoint requires additional configuration.
✓
The subscription will be monitored for security issues and receive recommendations
Why this is correct
Enabling Defender for Cloud provides continuous security assessment and actionable recommendations.
Related concept
Read the scenario before looking for a memorised answer.
✗
The subscription will be protected by the highest security tier
Why it's wrong here
The template enables Defender for Cloud, but not necessarily the highest tier; by default, it enables the free tier.
✗
No changes will occur until a security policy is manually created
Why it's wrong here
The template applies default security policies automatically.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse 'enabling Microsoft Defender for Cloud' with automatically activating premium features like Defender for Endpoint or the highest security tier, when in reality the default is only foundational CSPM with recommendations.
Detailed technical explanation
How to think about this question
Under the hood, enabling Defender for Cloud at the subscription level triggers the assignment of the 'Microsoft Cloud Security Benchmark' initiative (formerly Azure Security Benchmark) as a built-in Azure Policy. This policy continuously evaluates resources against over 200 controls, producing compliance and recommendation data in the Defender for Cloud dashboard. A subtle behavior is that while recommendations appear immediately, some assessments (e.g., vulnerability scanning) require agent installation and may take up to 24 hours to report results.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this MS-900 question in full detail.
Describe cloud concepts — This question tests Describe cloud concepts — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: The subscription will be monitored for security issues and receive recommendations — The ARM template snippet enables Microsoft Defender for Cloud at the subscription level. By default, this activates the foundational Cloud Security Posture Management (CSPM) capabilities, which continuously assess the subscription's resources against security baselines and generate actionable security recommendations. This does not automatically onboard VMs to Defender for Endpoint or apply the highest security tier; it simply enables monitoring and recommendations.
What should I do if I get this MS-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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