Free AZ-900 Practice Questions
(Microsoft Certified Azure Fundamentals)
The AZ-900 exam tests your knowledge of fundamental Azure concepts. Practice real-world scenarios to prepare for the fundamentals of cloud computing and Azure services.
Azure AZ-900 Practice Questions
10 Free Questions • Updated for 2026 • No dumps
Designed by experts and updated regularly based on exam changes.
1
A small business wants to host its customer relationship management (CRM) application in the cloud. They have limited IT staff and want to minimize administrative overhead for managing servers and operating systems. Which cloud service model offers the highest efficiency for them?
A
Infrastructure as a Service (IaaS).
B
Software as a Service (SaaS).
C
Platform as a Service (PaaS).
D
On-premises deployment.
✅ Correct Answer: B
Explanation: Software as a Service (SaaS) is the most efficient choice as it completely abstracts the underlying infrastructure, operating system, and application management, minimizing administrative overhead for a small IT team. Platform as a Service (PaaS) would still require the business to manage application code and some configurations, which is more administrative effort than a pure SaaS solution.
2
A company deploys a web application to Azure App Service (PaaS). They are concerned about the security of customer data. Which security aspect is the customer's responsibility under the Shared Responsibility Model? Which responsibility provides the least risk?
A
Maintaining the physical infrastructure.
B
Ensuring network hardware security.
C
Protecting customer data and access permissions.
D
Securing the underlying operating system.
✅ Correct Answer: C
Explanation: Under the Shared Responsibility Model for PaaS, the customer is always responsible for the security of their data and managing user access permissions, regardless of the cloud service. Securing the underlying operating system is the responsibility of Azure in a PaaS model, making that choice incorrect for the customer's direct responsibility.
3
A large enterprise has multiple departments, each managing its own Azure resources, subscriptions, and budgets. They need to apply consistent compliance policies across all resources and ensure cost visibility at a departmental level. Which Azure organizational structure provides the highest efficiency?
A
Multiple Azure Active Directory tenants.
B
Management Groups to organize subscriptions.
C
Separate Azure accounts for each department.
D
Resource Groups within each subscription.
✅ Correct Answer: B
Explanation: Management Groups are the most efficient way to organize subscriptions, allowing for the application of consistent policies and cost management across multiple departmental subscriptions at a higher level in the hierarchy. While Resource Groups organize resources within a subscription, they do not provide a centralized way to manage policies and costs across different subscriptions, making them less efficient for enterprise-wide governance.
4
A development team needs to deploy a new web API that experiences unpredictable traffic spikes. They want to minimize operational overhead and only pay for compute resources when the API is actively processing requests. Which Azure compute solution offers the highest efficiency?
A
Azure Kubernetes Service (Containers).
B
Azure App Service (PaaS).
C
Azure Virtual Machines (IaaS).
D
Azure Functions (Serverless).
✅ Correct Answer: D
Explanation: Azure Functions, a serverless compute service, automatically scales with demand and charges only for execution time, making it highly efficient for unpredictable, burstable workloads with minimal operational overhead. Azure Virtual Machines (IaaS) would require constant management and incur costs even when idle, which is less efficient for this specific scenario.
5
A company is extending its on-premises network to Azure to host a hybrid application. They need a secure and reliable connection with high bandwidth between their datacenter and Azure Virtual Network. Which Azure networking service provides the highest efficiency?
A
Site-to-Site VPN gateway.
B
Public internet connection.
C
Azure ExpressRoute.
D
Point-to-Site VPN gateway.
✅ Correct Answer: C
Explanation: Azure ExpressRoute provides a private, high-bandwidth, low-latency connection between an on-premises datacenter and Azure, making it the most efficient and reliable solution for hybrid applications requiring significant bandwidth. While a Site-to-Site VPN gateway provides connectivity, ExpressRoute offers higher bandwidth and a more consistent performance guarantee, leading to higher efficiency for demanding hybrid applications.
6
A media company stores large volumes of video archives that are rarely accessed but must be retained for legal compliance for many years. They need to minimize storage costs while ensuring data durability. Which Azure Storage tier provides the highest efficiency?
A
Azure Files shares.
B
Azure Blob Storage Cool tier.
C
Azure Blob Storage Archive tier.
D
Azure Blob Storage Hot tier.
✅ Correct Answer: C
Explanation: The Azure Blob Storage Archive tier is the most cost-effective solution for rarely accessed, long-term data retention, offering the lowest storage costs per gigabyte. The Hot tier, while providing immediate access, would be significantly more expensive for data that is infrequently accessed, making it less efficient for archive purposes.
7
A company wants to enable single sign-on (SSO) for its employees to access various SaaS applications, including Salesforce and Microsoft 365. They also need to enforce multi-factor authentication (MFA) centrally. Which Azure service provides the highest efficiency?
A
Azure Active Directory Domain Services.
B
On-premises Active Directory.
C
Microsoft Entra ID (formerly Azure Active Directory).
D
Azure AD B2C (Business-to-Consumer).
✅ Correct Answer: C
Explanation: Microsoft Entra ID is purpose-built for centralized identity and access management, offering seamless single sign-on (SSO) to SaaS applications and robust multi-factor authentication (MFA) capabilities, providing the highest efficiency for managing corporate identities. Azure Active Directory Domain Services provides domain controller functionality as a service, which is not primarily designed for SaaS application SSO and MFA in the same way Entra ID is.
8
A company requires that all Azure Virtual Machines deployed in a specific subscription must use a specific VM size and be tagged with a 'CostCenter' value. They want to automate this enforcement to ensure compliance. Which Azure governance feature provides the least administrative effort?
A
Manual checks by IT administrators.
B
Role-Based Access Control (RBAC).
C
Azure Policy definition and assignment.
D
Azure Resource Manager templates for deployments.
✅ Correct Answer: C
Explanation: Azure Policy allows for the creation and assignment of rules that enforce standards and compliance at scale, automatically auditing and remediating non-compliant resources, which provides the least administrative effort for consistent enforcement. While Azure Resource Manager templates can define compliant deployments, Azure Policy actively enforces compliance for all deployments, even those not using templates, making it more comprehensive and efficient for ongoing governance.
9
A company is planning to migrate its entire on-premises data center to Azure. They need to estimate the cost savings and compare the total cost of ownership (TCO) between their current setup and an Azure-based solution. Which Azure tool provides the highest efficiency?
A
Manual spreadsheet estimation.
B
Azure Pricing Calculator.
C
Azure TCO Calculator.
D
Azure Cost Management and Billing.
✅ Correct Answer: C
Explanation: The Azure TCO Calculator is specifically designed to compare the costs of running on-premises infrastructure versus Azure, providing a comprehensive estimate of potential savings and TCO. The Azure Pricing Calculator is useful for estimating the cost of individual Azure services but doesn't provide a direct comparison with on-premises costs, making the TCO Calculator more efficient for this specific scenario.
10
An IT administrator needs to stay informed about potential service outages or planned maintenance activities that might affect their Azure resources across multiple subscriptions. They want to receive proactive notifications. Which Azure service provides the highest efficiency?
A
Azure Monitor activity logs.
B
Azure Service Health.
C
Azure Advisor recommendations.
D
Azure Security Center alerts.
✅ Correct Answer: B
Explanation: Azure Service Health provides personalized alerts and guidance on Azure service issues, planned maintenance, and health advisories, making it the most efficient way to proactively monitor the health of Azure services that impact your resources. Azure Monitor activity logs provide a history of control-plane events, but they are reactive and do not provide proactive notifications about broader service health events as effectively as Azure Service Health.
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