Book excerpt: The AWS Certified DevOps Engineer - Professional exam validates advanced technical skills and experience in designing distributed applications and systems on the AWS platform.Example concepts you should understand for this exam include: Designing and deploying dynamically scalable, highly available, fault-tolerant, and reliable applications on AWSSelecting appropriate AWS services to design and deploy an application based on given requirementsMigrating complex, multi-tier applications on AWSDesigning and deploying enterprise-wide scalable operations on AWSImplementing cost-control strategie