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The DOP-C02 certification exam consists of 75 multiple-choice and multiple-response questions, and candidates have 180 minutes to complete it. DOP-C02 exam is available in English, Japanese, Korean, and Simplified Chinese. The passing score for the exam is 750 out of 1000 points. Upon passing the exam, candidates will receive the AWS Certified DevOps Engineer - Professional certification, which is valid for three years.

Amazon DOP-C02 exam is one of the most sought-after certifications for professionals in the field of DevOps. It is a professional-level certification that is intended for individuals who are already working in the field of DevOps and have extensive experience in deploying, operating, and managing AWS environments. The DOP-C02 Exam is designed to test the candidate's knowledge and skills in designing, managing, and operating AWS environments at a professional level.

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The DOP-C02 exam covers a wide range of topics related to DevOps engineering on AWS, including continuous integration and delivery (CI/CD), monitoring and logging, infrastructure as code (IaC), security, and automation. Candidates are expected to demonstrate a deep understanding of AWS services and how they can be used to build and deploy applications in a DevOps environment. DOP-C02 Exam consists of 75 multiple-choice and multiple-response questions and must be completed within 180 minutes.

Amazon AWS Certified DevOps Engineer - Professional Sample Questions (Q90-Q95):

NEW QUESTION # 90
A global company manages multiple AWS accounts by using AWS Control Tower. The company hosts internal applications and public applications.
Each application team in the company has its own AWS account for application hosting. The accounts are consolidated in an organization in AWS Organizations. One of the AWS Control Tower member accounts serves as a centralized DevOps account with CI/CD pipelines that application teams use to deploy applications to their respective target AWS accounts. An 1AM role for deployment exists in the centralized DevOps account.
An application team is attempting to deploy its application to an Amazon Elastic Kubernetes Service (Amazon EKS) cluster in an application AWS account. An 1AM role for deployment exists in the application AWS account. The deployment is through an AWS CodeBuild project that is set up in the centralized DevOps account. The CodeBuild project uses an 1AM service role for CodeBuild. The deployment is failing with an Unauthorized error during attempts to connect to the cross-account EKS cluster from CodeBuild.
Which solution will resolve this error?

A. Configure the centralized DevOps account's deployment 1AM role to have a trust relationship with the application account. Configure the trust relationship to allow the sts:AssumeRoleWithSAML action. Configure the centralized DevOps account's deployment 1AM role to allow the required access to CodeBuild.
B. Configure the application account's deployment 1AM role to have a trust relationship with the AWS Control Tower management account. Configure the trust relationship to allow the sts:AssumeRole action. Configure the application account's deployment 1AM role to have the required access to the EKS cluster. Configure the EKS cluster aws-auth ConfigMap to map the role to the appropriate system permissions.
C. Configure the application account's deployment 1AM role to have a trust relationship with the centralized DevOps account. Configure the trust relationship to allow the sts:AssumeRole action. Configure the application account's deployment 1AM role to have the required access to the EKS cluster. Configure the EKS cluster aws-auth ConfigMap to map the role to the appropriate system permissions.
D. Configure the centralized DevOps account's deployment I AM role to have a trust relationship with the application account. Configure the trust relationship to allow the sts:AssumeRole action. Configure the centralized DevOps account's deployment 1AM role to allow the required access to CodeBuild.

Answer: B

NEW QUESTION # 91
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? (Select THREE.)

A. Configure the web application lo use the AssumeRoleWith Web Identity API operation to retrieve temporary credentials. Use the temporary credentials to make the S3 API calls.
B. Create an 1AM role that has a policy that allows the necessary S3 actions. Configure the role's trust policy to allow the OIDC IdP to assume the role if the auth.company.com:aud context key is appid_from_idp.
C. Configure the web application to use the GetFederationToken API operation to retrieve temporary credentials Use the temporary credentials to make the S3 API calls.
D. Create an 1AM role that has a policy that allows the necessary S3 actions. Configure the role's trust policy to allow the OIDC IdP to assume the role if the sts.amazon.conraud context key is appid from idp.
E. Create an 1AM IdP by using the provider URL, audience, and signature from the existing IdP.
F. Configure AWS 1AM Identity Center. Configure an IdP. Upload the IdP metadata from the existing IdP.

Answer: A,B,E

Explanation:
Step 1: Creating an Identity Provider in IAM
You first need to configure AWS to trust the external identity provider (IdP), which in this case supports OpenID Connect (OIDC). The IdP will handle the authentication, and AWS will handle the authorization based on the IdP's token.
Action: Create an IAM Identity Provider (IdP) in AWS using the existing provider's URL, audience, and signature. This step is essential for establishing trust between AWS and the external IdP.
Why: This allows AWS to accept tokens from your external IdP (auth.company.com) for authentication.
Reference:
So, this corresponds to Option B: Create an IAM IdP by using the provider URL, audience, and signature from the existing IdP.
Step 2: Creating an IAM Role with Specific Permissions
Next, you need to create an IAM role with a trust policy that allows the external IdP to assume it when certain conditions are met. Specifically, the trust policy needs to allow the role to be assumed based on the context key auth.company.com:aud (audience claim in the token).
Action: Create an IAM role that has the necessary permissions (e.g., Amazon S3 access). The role's trust policy should specify the OIDC IdP as the trusted entity and validate the audience claim (auth.company.com:aud), which comes from the token provided by the IdP.
Why: This step ensures that only the specified web application authenticated via OIDC can assume the IAM role to make API calls.
This corresponds to Option D: Create an IAM role that has a policy that allows the necessary S3 actions. Configure the role's trust policy to allow the OIDC IdP to assume the role if the auth.company.com:aud context key is appid_from_idp.
Step 3: Using Temporary Credentials via AssumeRoleWithWebIdentity API
To securely make Amazon S3 API calls, the web application will need temporary credentials. The web application can use the AssumeRoleWithWebIdentity API call to assume the IAM role configured in the previous step and obtain temporary AWS credentials. These credentials can then be used to interact with Amazon S3.
Action: The web application must be configured to call the AssumeRoleWithWebIdentity API operation, passing the OIDC token from the IdP to obtain temporary credentials.
Why: This allows the web application to authenticate via the external IdP and then authorize access to AWS resources securely using short-lived credentials.
This corresponds to Option E: Configure the web application to use the AssumeRoleWithWebIdentity API operation to retrieve temporary credentials. Use the temporary credentials to make the S3 API calls.
Summary of Selected Answers:
B: Create an IAM IdP by using the provider URL, audience, and signature from the existing IdP.
D: Create an IAM role that has a policy that allows the necessary S3 actions. Configure the role's trust policy to allow the OIDC IdP to assume the role if the auth.company.com:aud context key is appid_from_idp.
E: Configure the web application to use the AssumeRoleWithWebIdentity API operation to retrieve temporary credentials. Use the temporary credentials to make the S3 API calls.
This setup enables the web application to use OpenID Connect (OIDC) for authentication and securely interact with Amazon S3 in a specific AWS account using short-lived credentials obtained through AWS Security Token Service (STS).

NEW QUESTION # 92
A company has an organization in AWS Organizations for its multi-account environment. A DevOps engineer is developing an AWS CodeArtifact based strategy for application package management across the organization. Each application team at the company has its own account in the organization. Each application team also has limited access to a centralized shared services account.
Each application team needs full access to download, publish, and grant access to its own packages. Some common library packages that the application teams use must also be shared with the entire organization.
Which combination of steps will meet these requirements with the LEAST administrative overhead? (Select THREE.)

A. Create a repository in the shared services account. Grant the organization read access to the repository in the shared services account. Set the repository as the upstream repository in each application team's repository.
B. Create a domain in the shared services account Grant the organization read access and CreateRepository access.
C. Create a domain in each application team's account. Grant each application team's account lull read access and write access to the application team's domain
D. For teams that require shared packages, create resource-based policies that allow read access to the repository from other application teams' accounts.
E. Create a repository in each application team's account. Grant each application team's account lull read access and write access to its own repository.
F. Set the other application teams' repositories as upstream repositories.

Answer: A,B,D

Explanation:
Step 1: Creating a Centralized Domain in the Shared Services AccountTo manage application package dependencies across multiple accounts, the most efficient solution is to create a centralized domain in the shared services account. This allows all application teams to access and manage package repositories within the same domain, ensuring consistency and centralization.
* Action:Create a domain in the shared services account.
* Why:A single, centralized domain reduces the need for redundant management in each application team's account.

NEW QUESTION # 93
A company's application is currently deployed to a single AWS Region. Recently, the company opened a new office on a different continent. The users in the new office are experiencing high latency. The company's application runs on Amazon EC2 instances behind an Application Load Balancer (ALB) and uses Amazon DynamoDB as the database layer. The instances run in an EC2 Auto Scaling group across multiple Availability Zones. A DevOps engineer is tasked with minimizing application response times and improving availability for users in both Regions.
Which combination of actions should be taken to address the latency issues? (Choose three.)

A. Create new ALB and Auto Scaling group resources in the new Region and configure the new ALB to direct traffic to the new Auto Scaling group.
B. Create Amazon Route 53 records, health checks, and latency-based routing policies to route to the ALB.
C. Create a new DynamoDB table in the new Region with cross-Region replication enabled.
D. Convert the DynamoDB table to a global table.
E. Create Amazon Route 53 aliases, health checks, and failover routing policies to route to the ALB.
F. Create new ALB and Auto Scaling group global resources and configure the new ALB to direct traffic to the new Auto Scaling group.

Answer: A,B,D

Explanation:
C: Create new ALB and Auto Scaling group resources in the new Region and configure the new ALB to direct traffic to the new Auto Scaling group. This will allow users in thenew Region to access the application with lower latency by reducing the network hops between the user and the application servers.
D: Create Amazon Route 53 records, health checks, and latency-based routing policies to route to the ALB.
This will enable Route 53 to route user traffic to the nearest healthy ALB, based on the latency between the user and the ALBs.
F: Convert the DynamoDB table to a global table. This will enable reads and writes to the table in both Regions with low latency, improving the overall response time of the application

NEW QUESTION # 94
A company is using AWS CodePipeline to automate its release pipeline. AWS CodeDeploy is being used in the pipeline to deploy an application to Amazon Elastic Container Service (Amazon ECS) using the blue/green deployment model. The company wants to implement scripts to test the green version of the application before shifting traffic. These scripts will complete in 5 minutes or less. If errors are discovered during these tests, the application must be rolled back.
Which strategy will meet these requirements?

A. Add a stage to the CodePipeline pipeline between the source and deploy stages. Use this stage to invoke an AWS Lambda function that will run the test scripts. If errors are found, use the aws deploy stop-deployment command to stop the deployment.
B. Add a hooks section to the CodeDeploy AppSpec file. Use the AfterAllowTestTraffic lifecycle event to invoke an AWS Lambda function to run the test scripts. If errors are found, exit the Lambda function with an error to initiate rollback.
C. Add a stage to the CodePipeline pipeline between the source and deploy stages. Use AWS CodeBuild to create a runtime environment and build commands in the buildspec file to invoke test scripts. If errors are found, use the aws deploy stop-deployment command to stop the deployment.
D. Add a hooks section to the CodeDeploy AppSpec file. Use the AfterAllowTraffic lifecycle event to invoke the test scripts. If errors are found, use the aws deploy stop-deployment CLI command to stop the deployment.

Answer: B

Explanation:
Explanation
https://docs.aws.amazon.com/codedeploy/latest/userguide/reference-appspec-file-structure-hooks.html

NEW QUESTION # 95
......

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Keith Lee Keith Lee

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