Quick Answer
The answer is Azure Policy with Guest Configuration. This solution is correct because it can audit and enforce configurations on hybrid servers managed through Azure Arc, ensuring that Microsoft Defender for Endpoint is installed and running across both on-premises and Azure environments. Guest Configuration extends Azure Policy’s native capabilities to the guest operating system, allowing you to assess and remediate compliance settings on Arc-enabled servers just as you would on Azure VMs. On the Microsoft Cybersecurity Architect exam, this scenario tests your understanding of how Azure Arc bridges on-premises and cloud governance, with a common trap being to confuse Intune (which manages devices, not servers) or Defender for Cloud (which provides recommendations but cannot enforce configuration compliance). Remember the key distinction: Guest Configuration is the enforcement engine for server OS settings, while Defender for Cloud is the security posture monitor. A useful memory tip is “Arc + Guest = Enforce,” linking Azure Arc’s hybrid reach with Guest Configuration’s compliance muscle.
This SC-100 practice question tests your understanding of design security solutions for infrastructure. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. 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.
A company uses Azure Arc to manage on-premises servers. The security team wants to enforce that all servers (on-premises and Azure) have Microsoft Defender for Endpoint installed and running. Which solution should you use to ensure compliance across hybrid environments?
Microsoft Intune
Why wrong: Intune manages client devices, not servers.
Azure Policy with Guest Configuration
Azure Policy with Guest Configuration can audit and enforce settings on hybrid servers.
Azure Update Manager
Why wrong: Update Manager focuses on patch compliance, not endpoint protection.
Microsoft Defender for Cloud
Why wrong: Defender for Cloud provides recommendations but does not enforce configurations.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Azure Policy with Guest Configuration
Option C is correct because Azure Policy with Guest Configuration can audit and enforce configurations on Azure Arc-enabled servers. Option A is wrong because Microsoft Intune manages mobile devices and PCs, not servers. Option B is wrong because Microsoft Defender for Cloud provides security recommendations but cannot enforce configuration compliance. Option D is wrong because Azure Update Manager focuses on patching, not endpoint protection enforcement.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Microsoft Intune
Why it's wrong here
Intune manages client devices, not servers.
Azure Policy with Guest Configuration
Why this is correct
Azure Policy with Guest Configuration can audit and enforce settings on hybrid servers.
Related concept
Static NAT maps one inside address to one outside address.
Azure Update Manager
Why it's wrong here
Update Manager focuses on patch compliance, not endpoint protection.
Microsoft Defender for Cloud
Why it's wrong here
Defender for Cloud provides recommendations but does not enforce configurations.
Common exam traps
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
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. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SC-100 NAT questions on configuration and troubleshooting.
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FAQ
Design security solutions for infrastructure — This question tests Design security solutions for infrastructure — Static NAT maps one inside address to one outside address..
The correct answer is: Azure Policy with Guest Configuration — Option C is correct because Azure Policy with Guest Configuration can audit and enforce configurations on Azure Arc-enabled servers. Option A is wrong because Microsoft Intune manages mobile devices and PCs, not servers. Option B is wrong because Microsoft Defender for Cloud provides security recommendations but cannot enforce configuration compliance. Option D is wrong because Azure Update Manager focuses on patching, not endpoint protection enforcement.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related SC-100 NAT questions on configuration and troubleshooting.
Static NAT maps one inside address to one outside address.
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Last reviewed: Jun 21, 2026
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