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Azure Fundamentals (AZ-900) Study Guide
book

Azure Fundamentals (AZ-900) Study Guide

by Jack Lee
February 2026
Beginner
360 pages
8h 26m
English
O'Reilly Media, Inc.
Content preview from Azure Fundamentals (AZ-900) Study Guide

Chapter 7. Core Architectural Components of Azure

In ​the previous chapter, you were introduced to Microsoft Azure. Now, let’s continue our journey by exploring the core architectural components of Azure.

Azure offers a suite of services that allows organizations to build, deploy, and manage applications and services through Microsoft-managed data centers.

Understanding the core architectural components of Azure and how they work together is key to preparing for the AZ-900 Azure Fundamentals exam. This foundational knowledge will also help you someday design scalable, reliable, and secure solutions.

In this chapter, we’ll cover the core architectural components of Azure, which include:

  • Azure datacenters

  • Azure regions

  • Availability zones

  • Region pairs

  • Sovereign regions

Let’s dive in!

The Physical Infrastructure of Microsoft Azure

Azure is built on an extensive network of datacenters around the world. Each datacenter is fully equipped with racks of servers and resources supported by dedicated power, cooling, and networking infrastructure (see Figure 7-1).

Inside a Microsoft datacenter, rows of server racks are lined up, showcasing the infrastructure supporting Azure's cloud services.
Figure 7-1. Inside a Microsoft datacenter (photo credit: Microsoft)

The Microsoft datacenters are highly secure. You can take a guided virtual tour of a Microsoft datacenter and learn more about the technology that powers Azure by visiting the official Microsoft site.

Azure organizes these datacenters into regions and ...

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ISBN: 9781098167813Errata Page