Book Image

AWS Certified DevOps Engineer - Professional Certification and Beyond

By : Adam Book
Book Image

AWS Certified DevOps Engineer - Professional Certification and Beyond

By: Adam Book

Overview of this book

The AWS Certified DevOps Engineer certification is one of the highest AWS credentials, vastly recognized in cloud computing or software development industries. This book is an extensive guide to helping you strengthen your DevOps skills as you work with your AWS workloads on a day-to-day basis. You'll begin by learning how to create and deploy a workload using the AWS code suite of tools, and then move on to adding monitoring and fault tolerance to your workload. You'll explore enterprise scenarios that'll help you to understand various AWS tools and services. This book is packed with detailed explanations of essential concepts to help you get to grips with the domains needed to pass the DevOps professional exam. As you advance, you'll delve into AWS with the help of hands-on examples and practice questions to gain a holistic understanding of the services covered in the AWS DevOps professional exam. Throughout the book, you'll find real-world scenarios that you can easily incorporate in your daily activities when working with AWS, making you a valuable asset for any organization. By the end of this AWS certification book, you'll have gained the knowledge needed to pass the AWS Certified DevOps Engineer exam, and be able to implement different techniques for delivering each service in real-world scenarios.
Table of Contents (31 chapters)
1
Section 1: Establishing the Fundamentals
7
Section 2: Developing, Deploying, and Using Infrastructure as Code
16
Section 3: Monitoring and Logging Your Environment and Workloads
21
Section 4: Enabling Highly Available Workloads, Fault Tolerance, and Implementing Standards and Policies
27
Section 5: Exam Tips and Tricks

Trusted Advisor

As the number of resources grows in your AWS account, it can sometimes be challenging to keep track of them all. Challenges start to arise, such as volumes that are sitting around not being used and Elastic IPs (EIPs) that are sitting there, not connected to any instance or interface, which is burning through your current budget. Once you enter the dashboard of Trusted Advisor, you will be presented with the four categories that the tool generates for automated checks:

Figure 2.14 – Trusted Advisor dashboard

When it comes to Fault Tolerance checks, it can tell you if you have too many instances in a single Availability Zone or region.

The number of Trusted Advisor checks available increases with the support level associated with the account. With an account that has a basic or developer support level, a basic set of checks are displayed. Once the support level is raised to business or enterprise, then the account has access to all...