DevOps Engineering on AWS Certification Study Guide 2026
Everything you need to pass the DevOps Engineering on AWS Certification exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📚 DevOps Engineering on AWS Certification Topics to Study (30)
✍️ Sample DevOps Engineering on AWS Certification Questions & Answers
1. A CloudFormation template uses Fn::ImportValue. What happens if the exporting stack is deleted first?
CloudFormation prevents you from deleting an exporting stack as long as another stack is importing its exported output values.
2. Which AWS service captures network traffic flow information for VPCs and can be used to detect anomalous traffic?
VPC Flow Logs capture information about IP traffic going to and from network interfaces in your VPC, stored in CloudWatch Logs or S3.
3. In AWS CodeBuild, what file defines the build commands and related settings?
The buildspec.yml file is a collection of build commands and related settings used by CodeBuild to run a build.
4. Which CloudFormation section maps keys to values, often used for environment-specific configuration like AMI IDs?
The Mappings section defines static lookup tables keyed by region, environment, or other variables, commonly used to select region-specific AMI IDs.
5. Which CodeDeploy component defines the deployment rules, success conditions, and failure conditions?
A Deployment Configuration in CodeDeploy specifies the minimum number of healthy instances and the pace at which instances are deployed.
6. Which AWS CodeDeploy hook runs validation tests after traffic is shifted to the new instances in a blue/green deployment?
The AfterAllowTraffic hook runs after the load balancer routes traffic to the replacement instances, allowing post-deployment validation.