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

Review questions

  1. You are working as a DevOps engineer at a company that has implemented multiple CI/CD pipelines. One pipeline is used to push out the application code and its features. Another pipeline is used to update the underlying infrastructure and security settings of the account. After the last set of security group updates for the application, all the users at one of the company's remote offices can no longer access the instances in the autoscaling group. These users can still access the application from the web protocol via the Elastic Load Balancer. These users contain members of multiple IAM groups, including developers, power users, and even an administrator. Where can you go for information to try and find out where the issue is occurring?

    a. Gather the IAM usernames that have been denied access. Use these usernames to search through the IAM log group in CloudWatch.

    b. Make sure that VPC Flow Logs have been turned on. Search the VPC Flow Logs for both the internal...