AZ-900 - Microsoft Azure Fundamentals Microsoft Azure Certification 1 — Questions and Answers
Question 1: Which Azure service provides a fully managed relational database that automatically handles patching, backups, and high availability?
- Azure SQL Database (Correct answer)
- Azure Blob Storage
- Azure Virtual Machines
- Azure Cosmos DB
Correct answer: Azure SQL Database
Azure SQL Database is a fully managed PaaS relational database service that automates maintenance tasks like patching, backups, and high availability, removing the burden of database administration from users.
Question 2: In the shared responsibility model, which security responsibility always remains with the customer regardless of the cloud service type (IaaS, PaaS, or SaaS)?
- Operating system patching
- Physical datacenter security
- Account and identity management (Correct answer)
- Network infrastructure maintenance
Correct answer: Account and identity management
Regardless of the cloud service model used, customers are always responsible for managing their own accounts, identities, and access controls. Physical security and infrastructure are always the cloud provider's responsibility.
Question 3: What Azure pricing model allows you to reserve virtual machine capacity for one or three years in exchange for a significant discount compared to pay-as-you-go pricing?
- Spot Instances
- Azure Reservations (Correct answer)
- Hybrid Benefit
- Dev/Test Pricing
Correct answer: Azure Reservations
Azure Reservations allow customers to commit to one- or three-year terms for specific resources like VMs, providing discounts of up to 72% compared to pay-as-you-go rates in exchange for the upfront commitment.
Question 4: Which Azure feature enables you to enforce organizational standards and assess compliance at scale across all your Azure resources?
- Azure Monitor
- Azure Policy (Correct answer)
- Microsoft Defender for Cloud
- Azure Blueprints
Correct answer: Azure Policy
Azure Policy allows organizations to define and enforce rules for Azure resources, ensuring compliance with corporate standards and regulatory requirements. It can audit existing resources and prevent non-compliant resources from being created.
Question 5: What is the purpose of an Azure Availability Zone?
- To replicate data between different Azure subscriptions
- To provide physically separate datacenter locations within a single Azure region for fault tolerance (Correct answer)
- To connect on-premises networks to Azure using a private connection
- To distribute traffic across multiple virtual machines using load balancing
Correct answer: To provide physically separate datacenter locations within a single Azure region for fault tolerance
Azure Availability Zones are physically separate datacenters within the same Azure region, each with independent power, cooling, and networking. Deploying resources across zones protects applications from single datacenter failures.
Question 6: Which Azure support plan is the minimum tier that provides 24/7 access to technical support engineers via phone and email for production workloads?
- Basic
- Developer
- Standard (Correct answer)
- Free
Correct answer: Standard
The Standard support plan is the minimum tier offering 24/7 access to technical support by phone and email for production issues. The Developer plan only provides business-hours email support, and Basic offers no technical support.
AZ-900 - Microsoft Azure Fundamentals Microsoft Azure Certification 1
Which Azure service provides a fully managed relational database that automatically handles patching, backups, and high availability?