Microsoft Azure Fundamentals AZ-900 Concepts

By Taylor Kim · Updated May 25, 2026

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Question 1

Which of the following BEST describes Infrastructure as a Service (IaaS)?

Answer choices

  • A. The cloud provider manages the application, database, middleware, and OS — the customer only manages data

  • B. The cloud provider provides virtualized hardware (compute, storage, networking) — the customer manages OS, middleware, and applications

  • C. The cloud provider delivers a complete software application over the internet

  • D. The customer owns and manages all hardware in a private data center

Question 2

A "public cloud" deployment model means all cloud resources are shared with other organizations (multi-tenant) and owned by the cloud provider.

Answer choices

  • A. True

  • B. False

Question 3

What is Azure Service Health?

Answer choices

  • A. A monitoring tool for tracking CPU and memory utilization of Azure VMs

  • B. A personalized dashboard that provides Azure service status, planned maintenance, and alerts specific to your Azure resources and regions

  • C. An Azure compliance portal for viewing certification reports

  • D. A cost management tool for monitoring spending

Question 4

What is the primary purpose of Azure Cost Management + Billing?

Answer choices

  • A. To purchase Azure Reserved Instances automatically when costs exceed a threshold

  • B. To monitor, allocate, and optimize cloud spending across subscriptions and resource groups

  • C. To generate compliance reports for regulatory audits

  • D. To automatically scale resources when budget limits are reached

Question 5

Azure Availability Zones are physically separate locations within an [[blank1]] region. Each zone has independent power, [[blank2]], and [[blank3]] to provide high availability.

Deploying resources across multiple availability zones protects against [[blank4]]-level failures (not regional failures).