Microsoft Security, Compliance, and Identity Fundamentals (SC-900) Practice Questions

The most common stumbling block is branding confusion—candidates frequently mix up the specific target environments of the Microsoft Defender XDR suite (for example, confusing Defender for Identity with Defender for Cloud Apps). Another frequent area of confusion is where Microsoft Entra ID identity handling ends and Microsoft Purview compliance governance begins. Our practice questions are designed to reinforce these service boundaries through targeted scenario comparisons, helping you keep each product's role clear in your mind on exam day.

Start with the free, self-paced interactive modules under the official SC-900 learning path on Microsoft Learn. Then use the free Microsoft Learn Practice Assessment, which offers unlimited simulated test runs built by the same internal team that designs the live certification exam—it is the single most accurate readiness tool available at zero cost. Our practice question bank supplements these official resources with additional explanations that break down the specific distractor logic Microsoft uses to test service differentiation.

No. Unlike Associate, Expert, and Specialty certifications—which are valid for exactly one year and require a free annual renewal assessment—all Microsoft Fundamentals certifications, including SC-900, never expire. Once you pass the exam, the credential remains active on your transcript indefinitely with no maintenance fees or renewal tests required. Our study materials are designed to help you pass on your first attempt, making the $99 exam fee a one-time investment in a permanent credential.

After a failed first attempt, you must wait 24 hours before rescheduling. A third or subsequent attempt requires a 14-day waiting period between sittings, and you are capped at five attempts within any rolling 12-month period. Each attempt requires a separate registration fee unless your initial booking included an Exam Replay voucher bundle. Our mock exam mode helps you identify domain-level gaps—especially in the heavyweight Domain 3 (security solutions) and Domain 4 (compliance solutions)—so you can avoid needing a retake.

The real SC-900 exam gives you 45 to 60 minutes for 40 to 50 questions—significantly shorter than role-based Microsoft exams—and explicitly excludes Case Studies and interactive code scripts. Our mock exam mode enforces the same shorter time window and question mix, including drag-and-drop matching lists, hot-spot diagrams, and drop-down "Yes/No" evaluation matrices that test your ability to distinguish between Defender XDR components and Entra ID versus Purview responsibilities. Practicing under this compressed timeline is essential because the shorter format leaves less room for pacing recovery.

Yes—the downloadable PDF packages the full question bank in a print-friendly format that you can use on flights, commutes, or anywhere without reliable internet. The PDF includes the same detailed answer explanations as the online version, with references to the specific Microsoft Learn documentation paths for Sensitivity Labels, DLP rules, Defender XDR component boundaries, and Entra ID Conditional Access signal evaluation. Many candidates use the PDF for a final review of Zero Trust tenets and the Shared Responsibility Model the morning of their exam sitting.

The three Zero Trust tenets—Verify explicitly (always authenticate and authorize based on all available signals), Use least privileged access (limit user access with JIT/JEA policies and risk-based adaptive policies), and Assume breach (minimize blast radius and segment access)—are foundational to understanding all Microsoft security solutions. SC-900 tests these principles across every domain because they underpin how Entra ID Conditional Access, Defender XDR detection, and Purview compliance policies all function. Our practice materials integrate Zero Trust logic into scenario questions across all four domains so you see how the same principle applies differently in each context.