20+ practice questions focused on Describe the concepts of security, compliance, and identity — one of the most tested topics on the Microsoft Security, Compliance, and Identity Fundamentals SC-900 exam. Each question includes a detailed explanation so you learn why the right answer is correct.
Start Describe the concepts of security, compliance, and identity PracticeA security analyst is explaining the core principles of information security to a new team member. Which principle ensures that data is not modified by unauthorized parties?
Explanation: The principle of integrity ensures that data remains accurate and unaltered during storage, processing, or transmission, except by authorized entities. In the context of information security, integrity is specifically concerned with preventing unauthorized modification, deletion, or creation of data. This is often enforced through mechanisms such as hashing (e.g., SHA-256), digital signatures, and checksums (e.g., CRC32) that detect any tampering.
A company is moving its on-premises database to Azure SQL Database. According to the shared responsibility model, which security tasks remain the responsibility of the customer?
Explanation: In the shared responsibility model for Azure SQL Database, Microsoft manages the physical infrastructure, including servers, storage, and network, while the customer is responsible for data and access management. Option B is correct because managing access controls and authentication for database users, such as configuring logins, users, and permissions via T-SQL or Azure Active Directory, falls squarely on the customer. Microsoft ensures the platform is patched and secure, but the customer must control who can access the database and what they can do.
A security architect is adopting a new security model that assumes breach and verifies every access request. The model eliminates implicit trust and requires continuous validation. Which security model is being implemented?
Explanation: Zero Trust is the correct model because it explicitly assumes breach, eliminates implicit trust, and requires continuous validation of every access request. This aligns with the core Zero Trust principle of 'never trust, always verify,' which mandates that no user, device, or network is trusted by default, even if they are inside the corporate perimeter.
A company is migrating its on-premises workloads to Azure. The CISO wants to understand the division of security responsibilities between Microsoft and the customer across cloud service models. For which cloud service model does the customer have the most security responsibility?
Explanation: In the Infrastructure as a Service (IaaS) model, the customer is responsible for securing the operating system, applications, data, and network configurations, while Microsoft only secures the physical datacenter, host servers, and hypervisor. This gives the customer the most security responsibility compared to PaaS or SaaS, where Microsoft manages more of the stack.
A security architect is designing a new security posture based on the Zero Trust model. The architect wants to ensure that every access request is fully authenticated, authorized, and encrypted before granting access, and that access is granted only to the minimum necessary resources. Which three principles of Zero Trust align with these requirements? (Choose three.)
Explanation: Option A is correct because the 'Verify explicitly' principle of Zero Trust requires that every access request must be fully authenticated, authorized, and encrypted before granting access. This means using strong authentication mechanisms (e.g., multifactor authentication) and continuous validation of identity and device health, not just relying on network location or implicit trust.
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Practice all Describe the concepts of security, compliance, and identity questions1. Baseline your knowledge
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2. Review every explanation
For each question — right or wrong — read the full explanation. Understanding why an answer is correct is more valuable than knowing the answer itself.
3. Focus on exam traps
Describe the concepts of security, compliance, and identity questions on the SC-900 frequently use trap wording. Look for subtle differences in answers that test your precision, not just general knowledge.
4. Reach 80% consistently
Do repeated sessions until you score 80%+ three times in a row. Then move to mixed-mode practice to test cross-topic recall under realistic conditions.
The exact number varies per candidate. Describe the concepts of security, compliance, and identity is tested as part of the Microsoft Security, Compliance, and Identity Fundamentals SC-900 blueprint. Practicing with targeted Describe the concepts of security, compliance, and identity questions ensures you can handle any format or difficulty that appears.
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