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Amazon DOP-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: SDLC Automation	22%	- Automate software release processes 1. Implement deployment strategies 2. Manage artifacts and dependencies 3. Automate rollback procedures - Automate testing and validation 1. Unit, integration, and performance testing 2. Automate quality gates 3. Security and compliance testing - Implement CI/CD pipelines 1. Use AWS CodePipeline, CodeBuild, CodeDeploy 2. Integrate version control systems 3. Automate build, test, and deployment stages
Topic 2: Resilient Cloud Solutions	15%	- Ensure reliability and scalability 1. Design for fault tolerance 2. Manage capacity and elasticity 3. Optimize performance and cost - Design high availability architectures 1. Use Route 53 for routing and failover 2. Multi-AZ and multi-region deployments 3. Implement auto scaling and load balancing - Implement disaster recovery 1. Pilot light, warm standby, and active-active 2. Backup and restore strategies 3. Test and validate recovery plans
Topic 3: Incident and Event Response	14%	- Improve operational processes 1. Update runbooks and playbooks 2. Implement feedback loops 3. Optimize response time and efficiency - Automate event management 1. Classify and prioritize events 2. Automate common operational tasks 3. Integrate with ticketing and workflow systems - Manage incidents and outages 1. Coordinate response and recovery 2. Document and learn from events 3. Troubleshoot complex issues
Topic 4: Monitoring and Logging	15%	- Implement monitoring solutions 1. Use Amazon CloudWatch for metrics and alarms 2. Create dashboards and insights 3. Monitor infrastructure, applications, and costs - Implement logging and analysis 1. Centralize logs with CloudWatch Logs 2. Use AWS X-Ray for tracing 3. Analyze logs for troubleshooting and security - Automate incident response 1. Set up event-driven actions with Amazon EventBridge 2. Automate remediation and scaling 3. Implement alerting and notification workflows
Topic 5: Configuration Management and Infrastructure as Code	17%	- Manage infrastructure deployments 1. Provision and update resources automatically 2. Implement version control for configurations 3. Manage multi-account and multi-region environments - Automate configuration management 1. Use AWS Systems Manager, Ansible, or Puppet 2. Detect and remediate configuration drift 3. Maintain consistent configurations - Implement infrastructure as code 1. Manage templates and stacks 2. Use AWS CloudFormation, Terraform, or AWS CDK 3. Enforce configuration standards
Topic 6: Security, Governance, and Compliance	17%	- Enforce governance and compliance 1. Manage access and permissions at scale 2. Implement compliance rules and audits 3. Use AWS Config and AWS Organizations - Implement security controls 1. Manage IAM for pipelines and environments 2. Secure secrets and credentials 3. Encrypt data at rest and in transit - Automate security and compliance 1. Use AWS Security Hub and AWS Shield 2. Detect and remediate violations automatically 3. Integrate security into CI/CD pipelines

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Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q89-Q94):

NEW QUESTION # 89
A company is using an AWS CodeBuild project to build and package an application. The packages are copied to a shared Amazon S3 bucket before being deployed across multiple AWS accounts.
The buildspec.yml file contains the following:
The DevOps engineer has noticed that anybody with an AWS account is able to download the artifacts.
What steps should the DevOps engineer take to stop this?

A. Modify the post_build command to remove --acl authenticated-read and configure a bucket policy that allows read access to the relevant AWS accounts only.
B. Configure a default ACL for the S3 bucket that defines the set of authenticated users as the relevant AWS accounts only and grants read-only access.
C. Create an S3 bucket policy that grants read access to the relevant AWS accounts and denies read access to the principal "*".
D. Modify the post_build command to use --acl public-read and configure a bucket policy that grants read access to the relevant AWS accounts only.

Answer: A

Explanation:
When setting the flag authenticated-read in the command line, the owner gets FULL_CONTROL. The AuthenticatedUsers group (Anyone with an AWS account) gets READ access. Reference: https://docs.aws.amazon.com/AmazonS3/latest/userguide/acl-overview.html

NEW QUESTION # 90
An application runs on Amazon EC2 instances behind an Application Load Balancer (ALB). A DevOps engineer is using AWS CodeDeploy to release a new version. The deployment fails during the AlIowTraffic lifecycle event, but a cause for the failure is not indicated in the deployment logs.
What would cause this?

A. The appspec. yml file contains an invalid script that runs in the AllowTraffic lifecycle hook.
B. The health checks specified for the ALB target group are misconfigured.
C. The user who initiated the deployment does not have the necessary permissions to interact with the ALB.
D. The CodeDeploy agent was not installed in the EC2 instances that are pad of the ALB target group.

Answer: B

Explanation:
Explanation
This failure is typically due to incorrectly configured health checks in Elastic Load Balancing for the Classic Load Balancer, Application Load Balancer, or Network Load Balancer used to manage traffic for the deployment group. To resolve the issue, review and correct any errors in the health check configuration for the load balancer.
https://docs.aws.amazon.com/codedeploy/latest/userguide/troubleshooting-deployments.html#troubleshooting-de

NEW QUESTION # 91
A DevOps engineer needs to install antivirus software on all Amazon EC2 instances in an AWS account. The EC2 instances run the most recent Amazon Linux version. The solution must detect all instances and use an AWS Systems Manager document to install the software if missing.
Which solution will meet these requirements?

A. Create an association in Systems Manager State Manager targeting all managed nodes. Include the software and Systems Manager document.
B. Use AWS Config with a custom rule to check for antivirus installation. Configure automatic remediation using the Systems Manager document.
C. Use Amazon Inspector to detect missing software and associate with Systems Manager automation.
D. Use EventBridge to detect EC2 RunInstances events and trigger SSM automation.

Answer: B

Explanation:
AWS Config can monitor compliance by checking EC2 software inventory. Custom Config rules can automatically trigger Systems Manager Automation documents as remediation actions when noncompliant (software missing). This meets policy enforcement goals with automation.

NEW QUESTION # 92
A company's application development team uses Linux-based Amazon EC2 instances as bastion hosts.
Inbound SSH access to the bastion hosts is restricted to specific IP addresses, as defined in the associated security groups. The company's security team wants to receive a notification if the security group rules are modified to allow SSH access from any IP address.
What should a DevOps engineer do to meet this requirement?

A. Create an AWS Config rule by using the restricted-ssh managed rule to check whether security groups disallow unrestricted incoming SSH traffic. Configure automatic remediation to publish a message to an Amazon Simple Notification Service (Amazon SNS) topic.
B. Enable Amazon GuardDuty and check the findings for security groups in AWS Security Hub. Configure an Amazon EventBridge rule with a custom pattern that matches GuardDuty events with an output of NON_COMPLIANT. Define an Amazon Simple Notification Service (Amazon SNS) topic as the target.
C. Create an Amazon EventBridge rule with a source of aws.cloudtrail and the event name AuthorizeSecurityGroupIngress. Define an Amazon Simple Notification Service (Amazon SNS) topic as the target.
D. Enable Amazon Inspector. Include the Common Vulnerabilities and Exposures-1.1 rules package to check the security groups that are associated with the bastion hosts. Configure Amazon Inspector to publish a message to an Amazon Simple Notification Service (Amazon SNS) topic.

Answer: C

Explanation:
Explanation
https://aws.amazon.com/premiumsupport/knowledge-center/monitor-security-group-changes-ec2/

NEW QUESTION # 93
A company manages a large fleet of Amazon EC2 Linux instances in its production AWS account by using AWS Systems Manager . The EC2 instances must comply with a list of compliance requirements.
The company ' s DevOps engineers wrote Chef cookbooks to detect and remediate configuration deviations.
The company does not want to manage a Chef server and agent infrastructure.
The DevOps engineers need to set up the Chef cookbooks to run periodically on the EC2 instances.
Which solution will meet these requirements?

A. Create a Systems Manager State Manager association that applies the AWS-RefreshAssociation document to all EC2 instances. Configure the association to run every hour.
B. Create a Systems Manager State Manager association . Associate the AWS-ApplyChefRecipes document with all EC2 instances. Configure the association to retrieve the Chef cookbooks from a source repository and to run every hour.
C. Store the Chef agent installation package in an Amazon S3 bucket. Configure a Systems Manager Run Command to invoke the AWS-InstallApplication command on all instances and to run the repair action. Schedule the Run Command to run every hour.
D. Configure a Systems Manager patch policy to run the scan and install operation every hour. Create a patch baseline for the EC2 instances. Configure the instance IAM profile with permissions for patch operations.

Answer: B

Explanation:
Option A directly matches all requirements with the least extra infrastructure:
* State Manager is the Systems Manager capability for defining and maintaining a desired configuration by running associations on a schedule (for example, hourly). That satisfies the "run periodically" requirement in a managed way across a large fleet.
* The AWS-ApplyChefRecipes Systems Manager document is specifically intended to run Chef recipes
/cookbooks on managed instances without requiring you to run your own Chef server infrastructure . You can point it at a cookbook source (such as an artifact/repo location) and have Systems Manager handle execution on the instances.
Why the other options aren't correct:
* B is not the right mechanism for periodic Chef cookbook execution. Installing an application package and running a "repair action" via Run Command is not the purpose-built Chef cookbook runner, and it's more brittle/DIY than State Manager associations.
* C ( AWS-RefreshAssociation ) is used to refresh/reevaluate association metadata/targets; it does not itself execute Chef cookbooks as the compliance mechanism.
* D is for OS patching compliance (Patch Manager/patch policies), not for applying Chef cookbooks that detect and remediate configuration drift.

NEW QUESTION # 94
......

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