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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Security and Compliance Automation | 13% | - Security automation in CI/CD and infrastructure
|
| Topic 2: Monitoring and Logging | 15% | - Observability and metrics
|
| Topic 3: Resilient Cloud Solutions | 15% | - High availability and fault tolerance design
|
| Topic 4: Incident and Event Management | 18% | - Operational response and recovery
|
| Topic 5: SDLC Automation | 22% | - CI/CD pipeline design and implementation
|
| Topic 6: Configuration Management and Infrastructure as Code | 17% | - Infrastructure provisioning and automation
|
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NEW QUESTION # 208
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?
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.
NEW QUESTION # 209
A company uses an Amazon API Gateway regional REST API to host its application API. The REST API has a custom domain. The REST API's default endpoint is deactivated.
The company's internal teams consume the API. The company wants to use mutual TLS between the API and the internal teams as an additional layer of authentication.
Which combination of steps will meet these requirements? (Select TWO.)
Answer: B,E
Explanation:
Mutual TLS (mTLS) authentication requires two-way authentication between the client and the server. For Amazon API Gateway, you can enable mTLS for a custom domain name, which requires clients to present X.509 certificates to verify their identity to access your API. To set up mTLS, you would typically use AWS Certificate Manager (ACM) to create a private certificate authority (CA) and provision a client certificate signed by this private CA. The root CA certificate is then uploaded to an Amazon S3 bucket and configured in API Gateway as the trust store12.
:
Introducing mutual TLS authentication for Amazon API Gateway1.
Configuring mutual TLS authentication for a REST API2.
AWS Private Certificate Authority details3.
AWS Certificate Manager Private Certificate Authority updates4.
NEW QUESTION # 210
A company deploys an application to Amazon EC2 instances. The application runs Amazon Linux 2 and uses AWS CodeDeploy. The application has the following file structure for its code repository:
The appspec.yml file has the following contents in the files section:
What will the result be for the deployment of the config.txt file?
Answer: B
Explanation:
Deployment of config.txt file based on the appspec.yml:
The appspec.yml file specifies that config/config.txt should be copied to /usr/local/src/config.txt.
The source: / directive in the appspec.yml indicates that the entire directory structure starting from the root of the application source should be copied to the specified destination, which is /var/www/html.
Result of the Deployment:
The config.txt file will be specifically deployed to /usr/local/src/config.txt as per the explicit file mapping.
The entire directory structure including application/web will be copied to /var/www/html, but this does not include config/config.txt since it has a specific destination defined.
Thus, the config.txt file will be deployed only to /usr/local/src/config.txt.
Therefore, the correct answer is:
C). The config.txt file will be deployed to only /usr/local/src/config.txt.
References:
AWS CodeDeploy AppSpec File Reference
AWS CodeDeploy Deployment Process
NEW QUESTION # 211
A company wants to use a grid system for a proprietary enterprise m-memory data store on top of AWS. This system can run in multiple server nodes in any Linux-based distribution. The system must be able to reconfigure the entire cluster every time a node is added or removed. When adding or removing nodes an /etc.
/cluster/nodes config file must be updated listing the IP addresses of the current node members of that cluster.
The company wants to automate the task of adding new nodes to a cluster.
What can a DevOps engineer do to meet these requirements?
Answer: B
Explanation:
You can run custom recipes manually, but the best approach is usually to have AWS OpsWorks Stacks run them automatically. Every layer has a set of built-in recipes assigned each of five lifecycle events-Setup, Configure, Deploy, Undeploy, and Shutdown. Each time an event occurs for an instance, AWS OpsWorks Stacks runs the associated recipes for each of the instance ' s layers, which handle the corresponding tasks.
For example, when an instance finishes booting, AWS OpsWorks Stacks triggers a Setup event. This event runs the associated layer ' s Setup recipes, which typically handle tasks such as installing and configuring packages
NEW QUESTION # 212
A company updated the AWS Cloud Formation template for a critical business application. The stack update process failed due to an error in the updated template and AWS CloudFormation automatically began the stack rollback process Later a DevOps engineer discovered that the application was still unavailable and that the stack was in the UPDATE_ROLLBACK_FAILED state.
Which combination of actions should the DevOps engineer perform so that the stack rollback can complete successfully? (Select TWO.)
Answer: A,B
Explanation:
https://docs.aws.amazon.com/cli/latest/reference/cloudformation/continue-update-rollback.html For a specified stack that is in the UPDATE_ROLLBACK_FAILED state, continues rolling it back to the UPDATE_ROLLBACK_COMPLETE state. Depending on the cause of the failure, you can manually fix the error and continue the rollback. By continuing the rollback, you can return your stack to a working state (the UPDATE_ROLLBACK_COMPLETE state), and then try to update the stack again.
NEW QUESTION # 213
......
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