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Amazon DOP-C02 인증 시험은 구성 관리, 모니터링 및 로깅, 지속적인 통합 및 전달, 보안 및 규정 준수, 코드로 인프라를 포함한 다양한 주제를 다룹니다. 이 인증 후보자는 DevOps 원칙 및 관행을 사용하여 AWS 서비스 및 시스템을 설계, 관리 및 유지 관리하는 능력에 대해 테스트됩니다.
Amazon DOP-C02 (AWS Certified DevOps Engineer-Professional) 인증 시험은 DevOps 엔지니어링 분야에서 자신을 설립하려는 사람들을위한 인증 인증입니다. 이 인증은 전문가가 AWS 도구 및 서비스를 사용하여 분산 응용 프로그램 시스템을 관리하고 운영하는 데 필요한 기술과 지식을 테스트하도록 설계되었습니다.
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AWS Certified DevOps 엔지니어 -Professional (DOP -C02) 시험은 DevOps 엔지니어링 역할에서 AWS와 협력하는 데 필요한 기술과 지식을 검증하도록 설계되었습니다. 이 인증 시험은 AWS 서비스를 경험 한 경험이 있고 AWS 플랫폼에서 응용 프로그램을 관리하고 배포 할 책임이있는 전문가를위한 것입니다. 이 시험은 AWS에서 확장 가능한 고도로 시스템을 설계, 배포 및 관리하는 후보자의 능력에 대한 포괄적 인 평가입니다.
질문 # 120
AnyCompany is using AWS Organizations to create and manage multiple AWS accounts AnyCompany recently acquired a smaller company, Example Corp. During the acquisition process, Example Corp's single AWS account joined AnyCompany's management account through an Organizations invitation. AnyCompany moved the new member account under an OU that is dedicated to Example Corp.
AnyCompany's DevOps eng*neer has an IAM user that assumes a role that is named OrganizationAccountAccessRole to access member accounts. This role is configured with a full access policy When the DevOps engineer tries to use the AWS Management Console to assume the role in Example Corp's new member account, the DevOps engineer receives the following error message "Invalid information in one or more fields. Check your information or contact your administrator." Which solution will give the DevOps engineer access to the new member account?
정답：A
설명：
The problem is that the DevOps engineer cannot assume the OrganizationAccountAccessRole IAM role in the new member account that joined AnyCompany's management account through an Organizations invitation.
The solution is to create a new IAM role with the same name and trust policy in the new member account.
* Option A is incorrect, as it does not address the root cause of the error. The DevOps engineer's IAM user already has permission to assume the OrganizationAccountAccessRole IAM role in any member account, as this is the default role name that AWS Organizations creates when a new account joins an organization. The error occurs because the new member account does not have this role, as it was not created by AWS Organizations.
* Option B is incorrect, as it does not address the root cause of the error. An SCP is a policy that defines the maximum permissions for account members of an organization or organizational unit (OU). An SCP does not grant permissions to IAM users or roles, but rather limits the permissions that identity- based policies or resource-based policies grant to them. An SCP also does not affect how IAM roles are assumed by other principals.
* Option C is correct, as it addresses the root cause of the error. By creating a new IAM role with the same name and trust policy as the OrganizationAccountAccessRole IAM role in the new member account, the DevOps engineer can assume this role and access the account. The new role should have the AdministratorAccess AWS managed policy attached, which grants full access to all AWS resources in the account. The trust policy should allow the management account to assume the role, which can be done by specifying the management account ID as a principal in the policy statement.
* Option D is incorrect, as it assumes that the new member account already has the OrganizationAccountAccessRole IAM role, which is not true. The new member account does not have this role, as it was not created by AWS Organizations. Editing the trust policy of a non-existent role will not solve the problem.
질문 # 121
A company requires all employees to access secrets via Systems Manager Parameter Store with rotation every 60 days.
The company must add a new secret for an Amazon ElastiCache Redis cluster.
Which solution meets these requirements with the LEAST operational overhead?
정답：C
설명：
AWS Secrets Manager supports managed rotation using Lambda templates for ElastiCache (Redis). Secrets Manager can integrate with Parameter Store using references ({{resolve:secretsmanager:...}}). This ensures automatic rotation with minimal management.
질문 # 122
A company uses AWS Systems Manager to manage a fleet of Amazon Linux EC2 instances that have SSM Agent installed. All EC2 instances are configured to use Instance Metadata Service Version 2 (IMDSv2) and are running in the same AWS account and AWS Region. Company policy requires developers to use only Amazon Linux.
The company wants to ensure that all new EC2 instances are automatically managed by Systems Manager after creation.
Which solution will meet these requirements with the MOST operational efficiency?
정답：A
설명：
The most operationally efficient answer is to use Systems Manager Default Host Management Configuration.
This feature is designed specifically to make EC2 instances become Systems Manager managed instances automatically without manually attaching an IAM instance profile to every instance. AWS states that Default Host Management Configuration manages EC2 instances automatically as managed instances and uses a default IAM role for the account and Region. It also requires IMDSv2, which the scenario already satisfies.
Option A correctly creates the Systems Manager trusted role, attaches
AmazonSSMManagedEC2InstanceDefaultPolicy, and configures the SSM service setting. Options B and D add AWS Config remediation complexity, and C uses Patch Manager incorrectly because SSM Agent is already installed and the requirement is automatic Systems Manager management.
질문 # 123
A company has deployed a critical application in two AWS Regions. The application uses an Application Load Balancer (ALB) in both Regions. The company has Amazon Route 53 alias DNS records for both ALBs.
The company uses Amazon Route 53 Application Recovery Controller to ensure that the application can fail over between the two Regions. The Route 53 ARC configuration includes a routing control for both Regions.
The company uses Route 53 ARC to perform quarterly disaster recovery (DR) tests.
During the most recent DR test, a DevOps engineer accidentally turned off both routing controls. The company needs to ensure that at least one routing control is turned on at all times.
Which solution will meet these requirements?
정답：B
설명：
Explanation
The correct solution is to create a new assertion safety rule in Route 53 ARC and apply it to the two routing controls. An assertion safety rule is a type of safety rule that ensures that a minimum number of routing controls are always enabled. The ATLEAST type of assertion safety rule specifies the minimum number of routing controls that must be enabled for the rule to evaluate as healthy. By setting the threshold to 1, the rule ensures that at least one routing control is always turned on. This prevents the scenario where both routing controls are accidentally turned off and the application becomes unavailable in both Regions.
The other solutions are incorrect because they do not use safety rules to prevent both routing controls from being turned off. A gating safety rule is a type of safety rule that prevents routing control state changes that violate the rule logic. The OR type of gating safety rule specifies that one or more routing controls must be enabled for the rule to evaluate as healthy. However, this rule does not prevent a user from turning off both routing controls manually. A resource set is a collection of resources that are tested for readiness by Route 53 ARC. A readiness check is a test that verifies that all the resources in a resource set are operational. However, these concepts are not related to routing control states or safety rules. Therefore, creating a new resource set and a new readiness check will not ensure that at least one routing control is turned on at all times. References:
* Routing control in Amazon Route 53 Application Recovery Controller
* Viewing and updating routing control states in Route 53 ARC
* Creating a control panel in Route 53 ARC
* Creating safety rules in Route 53 ARC
질문 # 124
A company sells products through an ecommerce web application The company wants a dashboard that shows a pie chart of product transaction details. The company wants to integrate the dashboard With the company's existing Amazon CloudWatch dashboards Which solution Will meet these requirements With the MOST operational efficiency?
정답：C
설명：
The correct answer is A.
A comprehensive and detailed explanation is:
* Option A is correct because it meets the requirements with the most operational efficiency. Updating the ecommerce application to emit a JSON object to a CloudWatch log group for each processed transaction is a simple and cost-effective way to collect the data needed for the dashboard. Using CloudWatch Logs Insights to query the log group and to visualize the results in a pie chart format is also a convenient and integrated solution that leverages the existing CloudWatch dashboards. Attaching the results to the desired CloudWatchdashboard is straightforward and does not require any additional steps or services.
* Option B is incorrect because it introduces unnecessary complexity and cost. Updating the ecommerce application to emit a JSON object to an Amazon S3 bucket for each processed transaction is a valid way to store the data, but it requires creating and managing an S3 bucket and its permissions. Using Amazon Athena to query the S3 bucket and to visualize the results in a pie chart format is also a valid way to analyze the data, but it incurs charges based on the amount of data scanned by each query. Exporting the results from Athena and attaching them to the desired CloudWatch dashboard is also an extra step that adds more overhead and latency.
* Option C is incorrect because it uses AWS X-Ray for an inappropriate purpose. Updating the ecommerce application to use AWS X-Ray for instrumentation is a good practice for monitoring and tracing distributed applications, but it is not designed for aggregating product transaction details.
Creating a new X-Ray subsegment and adding an annotation for each processed transaction is possible, but it would clutter the X-Ray service map and make it harder to debug performance issues. Using X- Ray traces to query the data and to visualize the results in a pie chart format is also possible, but it would require custom code and logic that are not supported by X-Ray natively. Attaching the results to the desired CloudWatch dashboard is also not supported by X-Ray directly, and would require additional steps or services.
* Option D is incorrect because it introduces unnecessary complexity and cost. Updating the ecommerce application to emit a JSON object to a CloudWatch log group for each processed transaction is a simple and cost-effective way to collect the data needed for the dashboard, as in option A. However, creating an AWS Lambda function to aggregate and write the results to Amazon DynamoDB is redundant, as CloudWatch Logs Insights can already perform aggregation queries on log data. Creating a Lambda subscription filter for the log file is also redundant, as CloudWatch Logs Insights can already access log data directly. Attaching the results to the desired CloudWatch dashboard would also require additional steps or services, as DynamoDB does not support native integration with CloudWatch dashboards.
References:
* CloudWatch Logs Insights
* Amazon Athena
* AWS X-Ray
* AWS Lambda
* Amazon DynamoDB
질문 # 125
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