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

Chapter 2, Site Reliability Engineering Fundamentals

  1. True. SRE team’s primary responsibility is to maintain reliability for applications. The reputation and success of a business or product are dependent on the reliability of cloud solutions in a production environment.
  2. False. Generally, availability is expressed in nines. For instance Three nines (99.95% availability percentage) will have an average in a year 4 Hours 22 Minutes and 58 Seconds of allowed downtime .
  3. True. SRE adopts automation to resolve common and recurring problems. Response time for common problems is reduced as a result of automation.
  4. 95% availability implies allowed downtime:
    • Weekly: 8h 24m 0s
    • Monthly: 1d 12h 31m 27s
    • Yearly: 18d 6h 17m 27s
  5. The correct answers are A, B, and C. DevOps Management and Bug Tracking do not impact or create challenges to maintaining reliability.
  6. True. The level of service reliability needs to be defined...