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  4. AWS Certified DevOps Engineer - Professional DOP-C02

Free AWS Certified DevOps Engineer - Professional DOP-C02 Exam Braindumps
AWS Certified DevOps Engineer - Professional DOP-C02 Questions 193–200 (page: 26)

Updated On: 27-Apr-2026
Page 26 of 57
PDF with 447 Questions

A company uses an organization in AWS Organizations to manage several AWS accounts that the company's developers use. The company requires all data to be encrypted in transit.

Multiple Amazon S3 buckets that were created in developer accounts allow unencrypted connections. A DevOps engineer must enforce encryption of data in transit for all existing S3 buckets that are created in accounts in the organization.

Which solution will meet these requirements?

  1. Use AWS CloudFormation StackSets to deploy an AWS Network Firewall firewall to each account. Route all outbound requests from the AWS environment through the firewall. Deploy a policy to block access to all outbound requests on port 80.
  2. Use AWS CloudFormation StackSets to deploy an AWS Network Firewall firewall to each account. Route all inbound requests to the AWS environment through the firewall. Deploy a policy to block access to all inbound requests on port 80.
  3. Turn on AWS Config for the organization. Deploy a conformance pack that uses the s3-bucket-ssl-requests- only managed rule and an AWS Systems Manager Automation runbook. Use a runbook that adds a bucket policy statement to deny access to an S3 bucket when the value of the aws:SecureTransport condition key is false.
  4. Turn on AWS Config for the organization. Deploy a conformance pack that uses the s3-bucket-ssl-requests- only managed rule and an AWS Systems Manager Automation runbook. Use a runbook that adds a bucket policy statement to deny access to an S3 bucket when the value of the s3:x-amz-server-side-encryption- aws-kms-key-id condition key is null.

Answer(s): C



A company is reviewing its IAM policies. One policy written by the DevOps engineer has been flagged as too permissive. The policy is used by an AWS Lambda function that issues a stop command to Amazon EC2 instances tagged with Environment: NonProduction over the weekend. The current policy is:



What changes should the engineer make to achieve a policy of least permission? (Choose three.)

  1. Add the following conditional expression:

  2. Change "Resource": "*"to "Resource": "arn:aws:ec2:*:*:instance/*"
  3. Add the following conditional expression:

  4. Add the following conditional expression:

  5. Change "Action": "ec2:*"to "Action": "ec2:StopInstances"
  6. Add the following conditional expression:

Answer(s): B



A company is developing an application that will generate log events. The log events consist of five distinct metrics every one tenth of a second and produce a large amount of data.

The company needs to configure the application to write the logs to Amazon Timestream. The company will configure a daily query against the Timestream table.

Which combination of steps will meet these requirements with the FASTEST query performance? (Choose three.)

  1. Use batch writes to write multiple log events in a single write operation.
  2. Write each log event as a single write operation.
  3. Treat each log as a single-measure record.
  4. Treat each log as a multi-measure record.
  5. Configure the memory store retention period to be longer than the magnetic store retention period.
  6. Configure the memory store retention period to be shorter than the magnetic store retention period.

Answer(s): A,D,F



A DevOps engineer has created an AWS CloudFormation template that deploys an application on Amazon EC2 instances. The EC2 instances run Amazon Linux. The application is deployed to the EC2 instances by using shell scripts that contain user data. The EC2 instances have an IAM instance profile that has an IAM role with the AmazonSSMManagedinstanceCore managed policy attached.

The DevOps engineer has modified the user data in the CloudFormation template to install a new version of the application. The engineer has also applied the stack update. However, the application was not updated on the running EC2 instances. The engineer needs to ensure that the changes to the application are installed on the running EC2 instances.

Which combination of steps will meet these requirements? (Choose two.)

  1. Configure the user data content to use the Multipurpose Internet Mail Extensions (MIME) multipart format.
    Set the scripts-user parameter to always in the text/cloud-config section.
  2. Refactor the user data commands to use the cfn-init helper script. Update the user data to install and configure the cfn-hup and cfn-init helper scripts to monitor and apply the metadata changes.
  3. Configure an EC2 launch template for the EC2 instances. Create a new EC2 Auto Scaling group. Associate
    the Auto Scaling group with the EC2 launch template. Use the AutoScalingScheduledAction update policy for the Auto Scaling group.
  4. Refactor the user data commands to use an AWS Systems Manager document (SSM document). Add an AWS CLI command in the user data to use Systems Manager Run Command to apply the SSM document to the EC2 instances.
  5. Refactor the user data command to use an AWS Systems Manager document (SSM document). Use Systems Manager State Manager to create an association between the SSM document and the EC2 instances.

Answer(s): B,E



A company is refactoring applications to use AWS. The company identifies an internal web application that needs to make Amazon S3 API calls in a specific AWS account.

The company wants to use its existing identity provider (IdP) auth.company.com for authentication. The IdP supports only OpenID Connect (OIDC). A DevOps engineer needs to secure the web application's access to the AWS account.

Which combination of steps will meet these requirements? (Choose three.)

  1. Configure AWS IAM Identity Center (AWS Single Sign-On). Configure an IdP. Upload the IdP metadata from the existing IdP.
  2. Create an IAM IdP by using the provider URL, audience, and signature from the existing IP.
  3. Create an IAM role that has a policy that allows the necessary S3 actions. Configure the role's trust policy to allow the OIDC IP to assume the role if the sts.amazon.com:aud context key is appid_from_idp.
  4. Create an IAM role that has a policy that allows the necessary S3 actions. Configure the role's trust policy to allow the OIDC IP to assume the role if the auth.company.com:aud context key is appid_from_idp.
  5. Configure the web application to use the AssumeRoleWithWebIdentity API operation to retrieve temporary credentials. Use the temporary credentials to make the S3 API calls.
  6. Configure the web application to use the GetFederationToken API operation to retrieve temporary credentials. Use the temporary credentials to make the S3 API calls.

Answer(s): B,D,E



A company uses Amazon RDS for all databases in its AWS accounts. The company uses AWS Control Tower to build a landing zone that has an audit and logging account. All databases must be encrypted at rest for compliance reasons. The company's security engineer needs to receive notification about any noncompliant databases that are in the company's accounts.

Which solution will meet these requirements with the MOST operational efficiency?

  1. Use AWS Control Tower to activate the optional detective control (guardrail) to determine whether the RDS storage is encrypted. Create an Amazon Simple Notification Service (Amazon SNS) topic in the company's audit account. Create an Amazon EventBridge rule to filter noncompliant events from the AWS Control Tower control (guardrail) to notify the SNS topic. Subscribe the security engineer's email address to the SNS topic.
  2. Use AWS CloudFormation StackSets to deploy AWS Lambda functions to every account. Write the Lambda function code to determine whether the RDS storage is encrypted in the account the function is deployed to.
    Send the findings as an Amazon CloudWatch metric to the management account. Create an Amazon
    Simple Notification Service (Amazon SNS) topic. Create a CloudWatch alarm that notifies the SNS topic when metric thresholds are met. Subscribe the security engineer's email address to the SNS topic.
  3. Create a custom AWS Config rule in every account to determine whether the RDS storage is encrypted.
    Create an Amazon Simple Notification Service (Amazon SNS) topic in the audit account. Create an Amazon EventBidge rule to filter noncompliant events from the AWS Control Tower control (guardrail) to notify the SNS topic. Subscribe the security engineer's email address to the SNS topic.
  4. Launch an Amazon C2 instance. Run an hourly cron job by using the AWS CLI to determine whether the RDS storage is encrypted in each AWS account. Store the results in an RDS database. Notify the security engineer by sending email messages from the EC2 instance when noncompliance is detected

Answer(s): A



A company is migrating from its on-premises data center to AWS. The company currently uses a custom on- premises CI/CD pipeline solution to build and package software.

The company wants its software packages and dependent public repositories to be available in AWS CodeArtifact to facilitate the creation of application-specific pipelines.

Which combination of steps should the company take to update the CI/CD pipeline solution and to configure CodeArtifact with the LEAST operational overhead? (Choose two.)

  1. Update the CI/CD pipeline to create a VM image that contains newly packaged software. Use AWS Import/ Export to make the VM image available as an Amazon EC2 AMI. Launch the AMI with an attached IAM instance profile that allows CodeArtifact actions. Use AWS CLI commands to publish the packages to a CodeArtifact repository.
  2. Create an AWS Identity and Access Management Roles Anywhere trust anchor. Create an IAM role that allows CodeArtifact actions and that has a trust relationship on the trust anchor. Update the on-premises CI/ CD pipeline to assume the new IAM role and to publish the packages to CodeArtifact.
  3. Create a new Amazon S3 bucket. Generate a presigned URL that allows the PutObject request. Update the on-premises CI/CD pipeline to use the presigned URL to publish the packages from the on-premises location to the S3 bucket. Create an AWS Lambda function that runs when packages are created in the bucket through a put command. Configure the Lambda function to publish the packages to CodeArtifact.
  4. For each public repository, create a CodeArutact repository that is configured with an external connection.
    Configure the dependent repositories as upstream public repositories.
  5. Create a Codeartitact repository that is configured with a set of external connections to the public repositories. Configure the external connections to be downstream of the repository.

Answer(s): B,D



A DevOps team uses AWS CodePipeline, AWS CodeBuild, and AWS CodeDeploy to deploy an application. The application is a REST API that uses AWS Lambda functions and Amazon API Gateway. Recent deployments have introduced errors that have affected many customers.

The DevOps team needs a solution that reverts to the most recent stable version of the application when an error is detected. The solution must affect the fewest customers possible.

Which solution will meet these requirements with the MOST operational efficiency?

  1. Set the deployment configuration in CodeDeploy to LambdaAllAtOnce. Configure automatic rollbacks on the
    deployment group. Create an Amazon CloudWatch alarm that detects HTTP Bad Gateway errors on API Gateway. Configure the deployment group to roll back when the number of alarms meets the alarm threshold.
  2. Set the deployment configuration in CodeDeploy to LambdaCanary10Percent10Minutes. Configure automatic rollbacks on the deployment group. Create an Amazon CloudWatch alarm that detects HTTP Bad Gateway errors on API Gateway. Configure the deployment group to roll back when the number of alarms meets the alarm threshold.
  3. Set the deployment configuration in CodeDeploy to LambdaAllAtOnce. Configure manual rollbacks on the deployment group. Create an Amazon Simple Notification Service (Amazon SNS) topic to send notifications every time a deployment fails. Configure the SNS topic to invoke a new Lambda function that stops the current deployment and starts the most recent successful deployment.
  4. Set the deployment configuration in CodeDeploy to LambdaCanary10Percent10Minutes. Configure manual rollbacks on the deployment group. Create a metric filter on an Amazon CloudWatch log group for API Gateway to monitor HTTP Bad Gateway errors. Configure the metric filter to invoke a new Lambda function that stops the current deployment and starts the most recent successful deployment.

Answer(s): B



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