MICROSOFT AZURE FUNDAMENTALS, Exams of Computer Fundamentals

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MICROSOFT AZURE FUNDAMENTALS AZ-900 STUDY GUIDE

2026/2027 CLOUD CONCEPTS, AZURE SERVICES & PRICING

REVIEW | REVIEW QUESTIONS WITH VERIFIED ANSWERS

1. What is cloud computing? Answer: Delivery of computing services over the internet Rationale: Includes servers, storage, databases, and software.
2. What are the three cloud service models? Answer: IaaS, PaaS, SaaS Rationale: Infrastructure, Platform, Software as a Service.
3. What is IaaS? Answer: Infrastructure as a Service Rationale: Provides virtual machines and networking.
4. What is PaaS? Answer: Platform as a Service Rationale: Provides environment to build apps without managing infrastructure.
5. What is SaaS? Answer: Software as a Service Rationale: Fully managed applications (e.g., Office 365).
6. What is Microsoft Azure?

Answer: Cloud computing platform by Microsoft Rationale: Offers compute, storage, AI, and networking services.

1. What is an Azure Region? Answer: Geographic area containing data centers Rationale: Used for redundancy and latency optimization.
2. What is an Availability Zone? Answer: Physically separate data centers within a region Rationale: Provides high availability.
3. What is Azure Virtual Machine? Answer: On-demand scalable compute resource Rationale: Equivalent to EC2 in AWS.
4. What is Azure Storage? Answer: Cloud storage service Rationale: Stores blobs, files, queues, and tables.
5. What is Azure Blob Storage used for? Answer: Unstructured data storage Rationale: Stores images, videos, backups.
6. What is Azure SQL Database? Answer: Managed relational database service Rationale: Based on SQL Server engine.
7. What is Azure Active Directory (Azure AD)?

Answer: Governance service for compliance rules Rationale: Enforces organizational standards.

1. What is Azure Backup? Answer: Data protection service Rationale: Protects against data loss.
2. What is Azure Load Balancer? Answer: Distributes network traffic Rationale: Improves availability and performance.
3. What is a key benefit of cloud computing? Answer: Scalability and flexibility Rationale: Resources can be adjusted on demand.