Book Image

Implementing Microsoft Azure Architect Technologies: AZ-303 Exam Prep and Beyond - Second Edition

By : Brett Hargreaves, Sjoukje Zaal
Book Image

Implementing Microsoft Azure Architect Technologies: AZ-303 Exam Prep and Beyond - Second Edition

By: Brett Hargreaves, Sjoukje Zaal

Overview of this book

From designing solutions on Azure to configuring and managing virtual networks, the AZ-303 certification validates your knowledge and skills for all this and much more. Whether you want to take the certification exam or gain hands-on experience in administering, developing, and architecting Azure solutions, this study guide will help you get started. Divided into four modules, this book systematically takes you through the wide range of concepts and features covered in the AZ-303 exam. The first module demonstrates how to implement and monitor infrastructure. You'll develop the skills required to deploy and manage core Azure components such as virtual machines, networking, storage, and Active Directory (AD). As you progress, you'll build on that knowledge and learn how to create resilient and secure applications before moving on to working with web apps, functions, and containers. The final module will get you up to speed with data platforms such as SQL and Cosmos DB, including how to configure the different high availability options. Finally, you'll solve mock tests and assess yourself with the answers provided to get ready to take the exam with confidence. By the end of this book, you'll have learned the concepts and techniques you need to know to prepare for the AZ-303 exam and design effective solutions on Microsoft Azure.
Table of Contents (25 chapters)
1
Section 1: Implement and Monitor Azure Infrastructure
10
Section 2: Implement Management and Security Solutions
14
Section 3: Implement Solutions for Apps
18
Section 4: Implement and Manage Data Platforms
21
Chapter 17: Mock Exam Questions
22
Chapter 18: Mock Exam Answers

Implementing Azure Traffic Manager

When you wish to protect VMs or web apps across regions, for example, East US and West US, you cannot use an Azure load balancer. Instead we can use Azure Traffic Manager. Azure Traffic Manager is essentially a DNS router.

What this means is that, unlike a load balancer, which directs the flow of IP traffic from one address to another, Traffic Manager works by resolving a DNS entry, such as a web address, so a different backend IP address depending on the rules.

This enables us to direct users to the closest server available. Hence, traffic is distributed based on the user's location. If a particular region becomes unavailable, then all traffic will be directed to the healthy region.

With Azure Traffic Manager, we have a number of different options available for defining how to direct traffic as well as the two just mentioned. These are as follows:

  • Weighted: Each endpoint is given a weight between 1 and 1,000. Endpoints are randomly...