Book Image

Designing and Implementing Microsoft DevOps Solutions AZ-400 Exam Guide - Second Edition

By : Subhajit Chatterjee, Swapneel Deshpande, Henry Been, Maik van der Gaag
Book Image

Designing and Implementing Microsoft DevOps Solutions AZ-400 Exam Guide - Second Edition

By: Subhajit Chatterjee, Swapneel Deshpande, Henry Been, Maik van der Gaag

Overview of this book

The AZ-400 Designing and Implementing Microsoft DevOps Solutions certification helps DevOps engineers and administrators get to grips with practices such as continuous integration and continuous delivery (CI/CD), containerization, and zero downtime deployments using Azure DevOps Services. This new edition is updated with advanced topics such as site reliability engineering (SRE), continuous improvement, and planning your cloud transformation journey. The book begins with the basics of CI/CD and automated deployments, and then moves ahead to show you how to apply configuration management and Infrastructure as Code (IaC) along with managing databases in DevOps scenarios. As you make progress, you’ll explore fitting security and compliance with DevOps and find out how to instrument applications and gather metrics to understand application usage and user behavior. This book will also help you implement a container build strategy and manage Azure Kubernetes Services. Lastly, you’ll discover quick tips and tricks to confidently apply effective DevOps practices and learn to create your own Azure DevOps organization. By the end of this DevOps book, you'll have gained the knowledge needed to ensure seamless application deployments and business continuity.
Table of Contents (27 chapters)
1
Part 1 – Digital Transformation through DevOps
5
Part 2 – Getting to Continuous Delivery
9
Part 3 – Expanding Your DevOps Pipeline
15
Part 4 – Closing the Loop
18
Part 5 – Advanced Topics

Introduction to SRE

The term SRE was first coined by Ben Treynor Sloss at Google (https://sre.google/sre-book/introduction/). SRE has enabled Google to manage large-sized complex systems and massive infrastructure in the most efficient, reliable, scalable, and sustainable way.

Tip

SRE is primarily focused on the reliability of service.

Why is reliability so important?

Reliability is defined as the likelihood of services performing predictably under specified operational conditions. The most dependable systems will be more accessible, which will result in a better client experience. The reliability of your services is an important quality indicator.

Reliability and availability are interlinked; however, the difference is in the way they are measured. Although availability and reliability go hand in hand, the measures taken might produce different results. A system’s availability may be modeled mathematically as a measure of its reliability. In other words...