DOP-C02 Amazon Web Services AWS Certified DevOps Engineer - Professional Free Practice Exam Questions (2026 Updated)

Ensure that the EKS cluster ' s VPC subnets do not overlap with the 172.17.0.0/16 CIDR range.

Use kubectl to update the kubeconfig file to use the credentials that created the cluster.

Run the AWSSupport-TroubleshootEKSWorkerNode runbook.

Create an AWS Identity and Access Management (IAM) OpenID Connect (OIDC) provider for the cluster.

Configure CloudWatch dashboards using default EKS service metrics.

Configure AWS CloudTrail for the EKS cluster.

Configure CloudTrail Insights for the EKS cluster.

Configure Amazon CloudWatch Container Insights for the EKS cluster by enabling the CloudWatch Observability add-on.

Publish CloudTrail logs to S3 in the audit account. Create an EventBridge rule for failed login events and notify via SNS.

Store logs in the management account and query using Athena + Lambda every 5 minutes.

Store logs in audit S3 + CloudWatch log group in management account + metric filter for failed logins → SNS.

Stream to Kinesis → Flink → SNS.

Use RDS Multi-AZ DB cluster with cross-Region read replicas. Automate failover via Route 53.

Use Multi-AZ cluster with snapshots copied cross-Region.

Use single-AZ RDS + DMS continuous replication.

Use single-AZ with Backup and restore.

Add a source action to the main branch of the AWS CDK constructs Git repository in each application’s pipeline. Ensure that the pipelines have the necessary permissions to clone the AWS CDK constructs Git repository.

Publish each new release as a package to an AWS CodeArtifact npm repository. Add a dependency to the npm repository package in all application projects. Create Amazon EventBridge rules that invoke the application pipelines when a new release is published to CodeArtifact.

Add the AWS CDK constructs repository as a Git submodule in the Git repositories of the applications. Ensure that the application pipelines have the necessary permissions to clone the AWS CDK constructs Git repository. Schedule the pipeline for each application to run every 24 hours.

Publish each new release as a package to an AWS CodeArtifact npm repository. Add a dependency to the npm repository package in all application projects. Add a command in CodeBuild to log in to the CodeArtifact repository in the PRE_BUILD phase.

Deploy the Amazon CloudWatch agent as a container sidecar. Configure the CloudWatch agent to retrieve JVM metrics from port 9404. Create CloudWatch alarms on the JVM thread count metric to scale the application. Add a step scaling policy in Fargate to scale up and scale down based on the CloudWatch alarms.

Deploy the Amazon CloudWatch agent as a container sidecar. Configure a metric filter for the JVM thread count metric on the CloudWatch log group for the CloudWatch agent. Add a target tracking policy in Fargate. Select the metric from the metric filter as a scale target.

Create an Amazon Managed Service for Prometheus workspace. Deploy AWS Distro for OpenTelemetry as a container sidecar to publish the JVM metrics from port 9404 to the Prometheus workspace. Configure rules for the workspace to use the JVM thread count metric to scale the application. Add a step scaling policy in Fargate. Select the Prometheus rules to scale up and scaling down.

Create an Amazon Managed Service for Prometheus workspace. Deploy AWS Distro for OpenTelemetry as a container sidecar to retrieve JVM metrics from port 9404 to publish the JVM metrics from port 9404 to the Prometheus workspace. Add a target tracking policy in Fargate. Select the Prometheus metric as a scale target.

Create an AWS CodePipelme configuration and set up a post-commit hook to trigger the pipeline after tests have passed Use AWS CodeDeploy and create a Canary deployment configuration that specifies the percentage of traffic and interval

Create an AWS CodeBuild configuration that triggers when the test code is pushed Use AWS CloudFormation to trigger an AWS CodePipelme configuration that deploys the new Lambda versions and specifies the traffic shift percentage and interval

Create an AWS CodePipelme configuration and set up the source code step to trigger when code is pushed. Set up the build step to use AWS CodeBuild to run the tests Set up an AWS CodeDeploy configuration to deploy, then select the CodeDeployDefault.LambdaLinearlDPercentEvery3Minut.es Option.

Use the AWS CLI to set up a post-commit hook that uploads the code to an Amazon S3 bucket after tests have passed. Set up an S3 event trigger that runs a Lambda function that deploys the new version. Use an interval in the Lambda function to deploy the code over time at the required percentage

Create an IAM service role to allow access to the resources that are required to run the tests.

Create a pipeline in AWS CodePipeline that has a test stage. Create a trigger to run the pipeline when pull requests are created or updated. Add a source action to report test results.

Create an AWS CodeBuild project to run the tests. Enable webhook triggers to run the tests when pull requests are created or updated. Enable build status reporting to report test results.

Create a buildspec.yml file that has a reports section to upload output files when the tests have finished running.

Create a buildspec.yml file that has an artifacts section to upload artifacts when the tests have finished running.

Create an appspec.yml file that has a files section to upload output files when the tests have finished running.

In Route 53 ARC. create a new assertion safety rule. Apply the assertion safety rule to the two routing controls. Configure the rule with the ATLEAST type with a threshold of 1.

In Route 53 ARC, create a new gating safety rule. Apply the assertion safety rule to the two routing controls. Configure the rule with the OR type with a threshold of 1.

In Route 53 ARC, create a new resource set. Configure the resource set with an AWS: Route53: HealthCheck resource type. Specify the ARNs of the two routing controls as the target resource. Create a new readiness check for the resource set.

In Route 53 ARC, create a new resource set. Configure the resource set with an AWS: Route53RecoveryReadiness: DNSTargetResource resource type. Add the domain names of the two Route 53 alias DNS records as the target resource. Create a new readiness check for the resource set.

Automate patching and upgrading using AWS Systems Manager on EC2 instances and encrypt Amazon EBS volumes by default.

Deploy Jenkins to an Amazon ECS cluster and copy build artifacts to an Amazon S3 bucket with default encryption enabled.

Leverage AWS CodePipeline with a build action and encrypt the artifacts using AWS Secrets Manager.

Use AWS CodeBuild with artifact encryption to replace the Jenkins instance running on EC2 instances.

Use Amazon GuardDuty with a delegated administrator account. Use GuardDuty to enforce denial of 1AM user logins

Use AWS 1AM Identity Center to configure identity federation with SAML 2.0.

Create a permissions boundary in AWS 1AM Identity Center to deny password logins for 1AM users.

Create 1AM groups in the Organizations management account to apply consistent permissions for all 1AM users.

Create an SCP in Organizations to deny password creation for 1AM users.

Use Amazon S3 Storage Lens to scan the S3 bucket and prefixes, create an inventory of the duplicate objects, and invoke an AWS Lambda function to delete the duplicate objects.

Configure AWS CloudTrail to record data events for the S3 bucket. Use Amazon Athena to query S3 data events to identify duplicate objects. Use an AWS Lambda function to delete duplicate objects.

Use Amazon S3 Inventory to generate reports. Use Amazon Athena to query the reports based on ETag values. Use S3 Batch Operations and an AWS Lambda function to remove duplicate objects.

Use AWS Config to identify object changes. Use Amazon EventBridge to delete duplicate objects by running the aws:executeScript action in AWS Systems Manager.

Ensure that a security group associated with the service allows traffic from the ALB.

Increase the ALB health check grace period for the service.

Increase the service minimum healthy percent setting.

Decrease the ALB health check interval.

Create a new regex pattern set. Add the regex pattern set to a new rule group. Create a new web ACL that has a default action set to Block. Associate the web ACL with the CloudFront distribution. Add a rule that allows traffic based on the new rule group.

Create an AWS WAF IP address set that matches the corporate office IP address range. Create a new web ACL that has a default action set to Allow. Associate the web ACL with the CloudFront distribution. Add a rule that allows traffic from the IP address set.

Create a new regex pattern set. Add the regex pattern set to a new rule group. Set the default action on the existing web ACL to Allow. Add a rule that has priority 0 that allows traffic based on the regex pattern set.

Create a WAF IP address set that matches the corporate office IP address range. Set the default action on the existing web ACL to Block. Add a rule that has priority 0 that allows traffic from the IP address set.

Integrate AWS Trusted Advisor with AWS Config Configure a custom AWS Config rule to invoke an AWS Lambda function to publish notifications to an Amazon Simple Notification Service (Amazon SNS) topic Subscribe a Slack channel endpoint and the shared inbox to the topic.

Use Amazon EventBridge to monitor for AWS Health Events Configure the maintenance events to target an Amazon Simple Notification Service (Amazon SNS) topic Subscribe an AWS Lambda function to the SNS topic to send notifications to the Slack channel and the shared inbox.

Create an AWS Lambda function that sends EC2 maintenance notifications to the Slack channel and the shared inbox Monitor EC2 health events by using Amazon CloudWatch metrics Configure a CloudWatch alarm that invokes the Lambda function when a maintenance notification is received.

Configure AWS Support integration with AWS CloudTrail Create a CloudTrail lookup event to invoke an AWS Lambda function to pass EC2 maintenance notifications to Amazon Simple Notification Service (Amazon SNS) Configure Amazon SNS to target the Slack channel and the shared inbox.

Use AWS CodePipeline with Amazon ECS. Amazon EC2, and Lambda as deploy providers.

Use AWS CodePipeline with AWS CodeDeploy as the deploy provider.

Use AWS CodePipeline with AWS Elastic Beanstalk as the deploy provider.

Use AWS CodeDeploy with GitHub integration to deploy the application.

Activate Amazon Macie on the S3 bucket In the production account Create an AWS Step Functions state machine to initiate a discovery job and redact all Pll before copying files to the S3 bucket in the development account. Give the state machine tasks decrypt permissions on the KMS key in the production account. Give the state machine tasks encrypt permissions on the KMS key in the development account

Set up S3 replication between the production S3 bucket and the development S3 bucket Activate Amazon Macie on the development S3 bucket Create an AWS Step Functions state machine to initiate a discovery job and redact all Pll as the files are copied to the development S3 bucket. Give the state machine tasks encrypt and decrypt permissions on the KMS key in the development account.

Set up an S3 Batch Operations job to copy files from the production S3 bucket to the development S3 bucket. In the development account, configure anAWS Lambda function to redact all Pll. Configure S3 Object Lambda to use the Lambda function for S3 GET requests Give the Lambda function ' s 1AM role encrypt and decrypt permissions on the KMS key in the development account.

Create a development environment from the CloudFormatlon template in the development account. Schedule an Amazon EventBridge rule to start the AWS Step Functions state machine once a week

Create a development environment from the CloudFormation template in the development account. Schedule a cron job on an Amazon EC2 instance to run once a week to start the S3 Batch Operations job.

Configure provisioned concurrency on the Lambda function with a concurrency value of 1. Delete the DAX cluster for the DynamoDB table.

Configure reserved concurrency on the Lambda function with a concurrency value of 0.

Configure provisioned concurrency on the Lambda function. Configure AWS Application Auto Scaling on the Lambda function with provisioned concurrency values set to a minimum of 1 and a maximum of 100.

Configure reserved concurrency on the Lambda function. Configure AWS Application Auto Scaling on the API Gateway API with a reserved concurrency maximum value of 100.

Enable AWS CloudTrail and configure automatic remediation using AWS Lambda.

Enable AWS Conflg rules and configure automatic remediation using AWS Systems Manager documents.

Enable AWS Trusted Advisor and configure automatic remediation using Amazon EventBridge.

Enable AWS Systems Manager and configure automatic remediation using Systems Manager documents.