MD-102 Protect devices Practice Question
Which THREE of the following are features of Microsoft Defender for Endpoint that help protect devices?
⚠ Common exam trap
Many candidates confuse Data loss prevention (a compliance feature) with device protection features in Defender for Endpoint, or mistakenly think Conditional Access policies are part of Defender for Endpoint when they are actually an identity and access management feature in Microsoft Entra ID.
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
✓
Attack surface reduction rules
Attack surface reduction rules (A) are a Defender for Endpoint feature that blocks risky behaviors such as Office macros spawning child processes or scripts launching executable content, thereby hardening the device against common attack vectors. Endpoint detection and response (B) provides behavioral monitoring, alert generation, investigation timelines, and automated remediation actions so security teams can detect and contain threats on endpoints. Next-generation protection (C) delivers cloud-delivered antivirus and antimalware capabilities, including real-time protection, behavior monitoring, and heuristics, to block malware at the device level. Data loss prevention (D) is not a Defender for Endpoint device-protection feature; it is a separate Microsoft Purview/Compliance capability focused on preventing sensitive data exfiltration. Conditional access policies (E) are an identity and access control feature of Microsoft Entra ID, not a Defender for Endpoint device-protection capability.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Attack surface reduction rules
Why this is correct
Attack surface reduction rules block risky behaviours such as Office macros spawning child processes, script downloads and credential theft, satisfying the requirement for device protection features. They are enforced through Microsoft Defender for Endpoint policy and configuration profiles, hardening endpoints against common malware vectors without relying on signature detection alone.
- ✓
Endpoint detection and response
Why this is correct
Endpoint detection and response continuously monitors device telemetry to surface suspicious behaviour, then enables investigation and remediation of attacks. This satisfies the stem's requirement for device protection features, sitting alongside attack surface reduction and next-generation protection as Defender for Endpoint's core pillars.
- ✓
Next-generation protection
Why this is correct
Next-generation protection uses cloud-delivered antivirus and machine-learning behavioural blocking to stop malware at the endpoint, satisfying the stem's requirement for device-protection features. It combines real-time scanning with Microsoft's threat intelligence, catching polymorphic and fileless attacks that signature-only tools miss, and integrates directly with Microsoft Defender for Endpoint onboarding.
- ✗
Data loss prevention
Why it's wrong here
Data loss prevention is a Microsoft Purview capability that classifies and blocks sensitive data flows across endpoints, email and cloud apps; Defender for Endpoint instead provides attack surface reduction, EDR and automated investigation. It is tempting because both protect endpoints, and it would be correct for preventing sensitive information exfiltration.
- ✗
Conditional access policies
Why it's wrong here
Conditional access policies are enforced by Microsoft Entra ID to control sign-in based on user, device and location signals; Defender for Endpoint contributes device risk signals but does not itself define those policies. It is tempting because the two integrate, and it would be correct when governing authentication to cloud resources.
Go deeper
Related to this question
Learn chapter
Implementing App Protection Policies (MAM)
Key term
Attack surface reduction
Attack surface reduction is a set of security practices that minimizes the number of ways an attacker can access or exploit a system by removing unnecessary features, locking down configurations, and controlling software behavior.
Key term
General Data Protection Regulation
A European Union law that gives individuals control over their personal data and sets strict rules for how organizations collect, store, and process that data.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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