Free SC-900 practice exams give you a quick way to check your readiness for the Microsoft Security, Compliance, and Identity Fundamentals certification. Whether SC-900 is your very first Microsoft certification, a stepping stone toward SC-200, SC-300, SC-400, or AZ-500, or a baseline that a non-technical role needs, realistic mock questions are the fastest way to spot the Microsoft security services you actually understand versus the ones you only recognise.
What SC-900 covers
The SC-900 exam validates foundational knowledge across four official domains. You describe the concepts of security, compliance, and identity, including Zero Trust, defence in depth, the CIA triad, the shared responsibility model, and the difference between authentication and authorisation. You describe the capabilities of Microsoft Entra, including Entra ID, Conditional Access, Privileged Identity Management, Identity Protection, identity governance, and Verified ID. You describe the capabilities of Microsoft security solutions, including Microsoft Defender for Cloud, Defender XDR (Endpoint, Identity, Office 365, Cloud Apps), Microsoft Sentinel, and Azure network security. Finally, you describe the capabilities of Microsoft compliance solutions, including Microsoft Purview information protection, DLP, retention, eDiscovery, audit, insider risk, communication compliance, and Microsoft Priva. The exam runs for 45 minutes with roughly 40 to 60 questions and a 700/1000 passing score.
What's in these practice exams
These free Microsoft SC-900 practice questions cover all four domains weighted to match the real exam:
- Security, compliance, and identity concepts (Zero Trust, defence in depth, shared responsibility, encryption, hashing, authn vs authz)
- Microsoft Entra (Entra ID, Conditional Access, PIM, Identity Protection, B2B/B2C, lifecycle workflows, Verified ID, Permissions Management)
- Microsoft security solutions (Defender for Cloud, Defender XDR, Sentinel, Azure Firewall, WAF, Bastion, DDoS Protection, Key Vault)
- Microsoft compliance solutions (Purview information protection, DLP, retention, eDiscovery, Compliance Manager, insider risk, Priva)
The first set is completely free with no signup. The remaining 24 sets unlock premium features like score tracking, weak-area analytics, and timed mode that mirrors the real exam length.
How to use these effectively
Start with the free set to identify weak domains, then read every explanation, not just the ones you missed. The rationales call out the service-to-scenario mapping that SC-900 loves to test, like "Defender for Cloud is CSPM and CWPP" or "Sentinel is the SIEM and Defender XDR is the XDR, and they integrate" or "sensitivity labels protect access while retention labels handle lifecycle." Once you have studied weaker areas, mix sets across domains rather than drilling one area at a time, because the real exam jumps between identity, security, and compliance in a single sitting. Aim to score 80% or higher across multiple sets before booking the real exam, because the SC-900 question count is small and a few mistakes go a long way at the fundamentals level.