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Pass the Amazon Web Services AWS Certified Professional DOP-C02 Questions and answers with CertsForce

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Viewing questions 51-60 out of questions
Questions # 51:

A business has an application that consists of five independent AWS Lambda functions.

The DevOps engineer has built a CI/CD pipeline using AWS CodePipeline and AWS CodeBuild that builds tests packages and deploys each Lambda function in sequence. The pipeline uses an Amazon EventBridge rule to ensure the pipeline starts as quickly as possible after a change is made to the application source code.

After working with the pipeline for a few months the DevOps engineer has noticed the pipeline takes too long to complete.

What should the DevOps engineer implement to BEST improve the speed of the pipeline?

Options:

A.

Modify the CodeBuild projects within the pipeline to use a compute type with more available network throughput.


B.

Create a custom CodeBuild execution environment that includes a symmetric multiprocessing configuration to run the builds in parallel.


C.

Modify the CodePipeline configuration to run actions for each Lambda function in parallel by specifying the same runorder.


D.

Modify each CodeBuild protect to run within a VPC and use dedicated instances to increase throughput.


Expert Solution
Questions # 52:

A company has configured Amazon RDS storage autoscaling for its RDS DB instances. A DevOps team needs to visualize the autoscaling events on an Amazon CloudWatch dashboard. Which solution will meet this requirement?

Options:

A.

Create an Amazon EventBridge rule that reacts to RDS storage autoscaling events from RDS events. Create an AWS Lambda function that publishes a CloudWatch custom metric. Configure the EventBridge rule to invoke the Lambda function. Visualize the custom metric by using the CloudWatch dashboard.


B.

Create a trail by using AWS CloudTrail with management events configured. Configure the trail to send the management events to Amazon CloudWatch Logs. Create a metric filter in CloudWatch Logs to match the RDS storage autoscaling events. Visualize the metric filter by using the CloudWatch dashboard.


C.

Create an Amazon EventBridge rule that reacts to RDS storage autoscaling events (rom the RDS events. Create a CloudWatch alarm. Configure the EventBridge rule to change the status of the CloudWatch alarm. Visualize the alarm status by using the CloudWatch dashboard.


D.

Create a trail by using AWS CloudTrail with data events configured. Configure the trail to send the data events to Amazon CloudWatch Logs. Create a metric filter in CloudWatch Logs to match the RDS storage autoscaling events. Visualize the metric filter by using the CloudWatch dashboard.


Expert Solution
Questions # 53:

A company uses an organization in AWS Organizations to manage many AWS accounts. The company has enabled all features for the organization. The company uses AWS CloudFormation StackSets to deploy configurations to the accounts. The company uses AWS Config to monitor an Amazon S3 bucket. The company needs to ensure that all object uploads to the S3 bucket use AWS Key Management Service (AWS KMS) encryption. Which solution will meet these requirements?

Options:

A.

Create an AWS Config conformance pack that includes the s3-bucket-server-side-encryption-enabled rule. Deploy the conformance pack to the accounts. Configure the rule to target an Amazon Simple Notification Service (Amazon SNS) topic.


B.

Create an SCP that includes a deny statement for the s3:createBucket action and a condition statement where s3:x-amz-server-side-encryption is not aws:kms. Attach the SCP to the root of the organization.


C.

Create an AWS CloudFormation stack set to enable an AWS CloudTrail trail to capture S3 data events for the organization. In the stack set, create an Amazon EventBridge rule to match S3 PutObject events that do not use AWS KMS encryption. Configure the rule to target an Amazon Simple Notification Service (Amazon SNS) topic.


D.

Create an SCP that includes a deny statement for the s3:putObject action and a condition where s3:x-amz-server-side-encryption is not aws:kms. Attach the SCP to the root of the organization.


Expert Solution
Questions # 54:

A company deploys a web application on Amazon EC2 instances that are behind an Application Load Balancer (ALB). The company stores the application code in an AWS CodeConnections compatible Git repository.

When the company merges code to the main branch, an AWS CodeBuild project is initiated. The CodeBuild project compiles the code, stores the packaged code in AWS CodeArtifact, and invokes AWS Systems Manager Run Command to deploy the packaged code to the EC2 instances.

Previous deployments have resulted in defects, EC2 instances that were not running the latest version of the packaged code, and inconsistencies between instances. A DevOps engineer needs to improve the reliability of the deployment solution.

Which combination of actions will meet this requirement? (Select TWO.)

Options:

A.

Create a pipeline in AWS CodePipeline that uses the Git repository as the source provider. Configure the pipeline to have parallel build and test stages. In the pipeline, pass the CodeBuild project output artifact to an AWS CodeDeploy action.


B.

Create a pipeline in AWS CodePipeline that uses the Git repository as the source provider. Configure the pipeline to have a build stage followed by a test stage. In the pipeline, pass the CodeBuild project output artifact to an AWS CodeDeploy action.


C.

Create an AWS CodeDeploy application and a deployment group to deploy the packaged code to the EC2 instances. Configure the ALB for the deployment group.


D.

Create individual AWS Lambda functions that use AWS CodeDeploy instead of Systems Manager to run build, test, and deploy actions.


E.

Create an Amazon S3 bucket. Modify the CodeBuild project to store the packages in the S3 bucket instead of in CodeArtifact. Use deploy actions in CodeDeploy to deploy.


Expert Solution
Questions # 55:

A DevOps team deploys an ECS app behind an ALB using CodeDeploy with all-at-once strategy. Recent deployment increased response times, requiring rollback. The team wants a deployment strategy to monitor new versions before full traffic shift and rollback quickly if issues occur.

Which steps meet these requirements? (Select TWO.)

Options:

A.

Use CodeDeployDefault.ECSCanary10Percent5Minutes deployment configuration.


B.

Use CodeDeployDefault.ECSLinear10PercentEvery3Minutes deployment configuration.


C.

Create a CloudWatch alarm on ALB UnHealthyHostCount and associate it with the deployment group for rollback.


D.

Create a CloudWatch alarm on ALB TargetResponseTime and associate it with the deployment group for rollback.


E.

Create a CloudWatch alarm on ALB TargetConnectionErrorCount and associate it with the deployment group for rollback.


Expert Solution
Questions # 56:

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?

Options:

A.

Create an IAM role that has a trust policy that allows Systems Manager to assume the role. Attach the AmazonSSMManagedEC2InstanceDefaultPolicy policy to the role. Configure the default-ec2-instance-management-role SSM service setting to use the role.


B.

Ensure that AWS Config is set up. Create an AWS Config rule that validates if an EC2 instance has SSM Agent installed. Configure the rule to run on EC2 configuration changes. Configure automatic remediation for the rule to run the AWS-InstallSSMAgent SSM document to install SSM Agent.


C.

Configure Systems Manager Patch Manager. Create a patch baseline that automatically installs SSM Agent on all new EC2 instances. Create a patch group for all EC2 instances. Attach the patch baseline to the patch group. Create a maintenance window and maintenance window task to start installing SSM Agent daily.


D.

Create an EC2 instance role that has a trust policy that allows Amazon EC2 to assume the role. Attach the AmazonSSMManagedInstanceCore policy to the role. Ensure that AWS Config is set up. Use the ec2-instance-profile-attached managed AWS Config rule to validate if an EC2 instance has the role attached. Configure the rule to run on EC2 configuration changes. Configure automatic remediation for the rule to run the AWS-SetupManagedRoleOnEc2In


Expert Solution
Questions # 57:

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?

Options:

A.

Use AWS OpsWorks Stacks to layer the server nodes of that cluster. Create a Chef recipe that populates the content of the ' etc./cluster/nodes config file and restarts the service by using the current members of the layer. Assign that recipe to the Configure lifecycle event.


B.

Put the file nodes config in version control. Create an AWS CodeDeploy deployment configuration and deployment group based on an Amazon EC2 tag value for thecluster nodes. When adding a new node to the cluster update the file with all tagged instances and make a commit in version control. Deploy the new file and restart the services.


C.

Create an Amazon S3 bucket and upload a version of the /etc./cluster/nodes config file Create a crontab script that will poll for that S3 file and download it frequently. Use a process manager such as Monit or system, to restart the cluster services when it detects that the new file was modified. When adding a node to the cluster edit the file ' s most recent members Upload the new file to the S3 bucket.


D.

Create a user data script that lists all members of the current security group of the cluster and automatically updates the /etc/cluster/. nodes config. Tile whenever a new instance is added to the cluster.


Expert Solution
Questions # 58:

A developer is creating a proof of concept for a new software as a service (SaaS) application. The application is in a shared development AWS account that is part of an organization in AWS Organizations .

The developer needs to create service-linked IAM roles for the AWS services that are being considered for the proof of concept. The solution needs to give the developer the ability to create and configure the service-linked roles only .

Which solution will meet these requirements?

Options:

A.

Create an IAM user for the developer in the organization’s management account. Configure a cross-account role in the development account for the developer to use. Limit the scope of the cross-account role to common services.


B.

Add the developer to an IAM group. Attach the PowerUserAccess managed policy to the IAM group. Enforce multi-factor authentication (MFA) on the user account.


C.

Add an SCP to the development account in Organizations. Configure the SCP with a Deny rule for iam:* to limit the developer’s access.


D.

Create an IAM role that has the necessary IAM access to allow the developer to create policies and roles. Create and attach a permissions boundary to the role. Grant the developer access to assume the role.


Expert Solution
Questions # 59:

A DevOps engineer needs to back up sensitive Amazon S3 objects that are stored within an S3 bucket with a private bucket policy using S3 cross-Region replication functionality. The objects need to be copied to a target bucket in a different AWS Region and account.

Which combination of actions should be performed to enable this replication? (Choose three.)

Options:

A.

Create a replication IAM role in the source account


B.

Create a replication I AM role in the target account.


C.

Add statements to the source bucket policy allowing the replication IAM role to replicate objects.


D.

Add statements to the target bucket policy allowing the replication IAM role to replicate objects.


E.

Create a replication rule in the source bucket to enable the replication.


F.

Create a replication rule in the target bucket to enable the replication.


Expert Solution
Questions # 60:

A DevOps engineer at a company is migrating a statistical analysis application to AWS. The application allows data scientists to model demographic data by using RStudio. The DevOps engineer will host modeling environments for the application in Amazon Elastic Kubernetes Service (Amazon EKS). The DevOps engineer will use Amazon FSx for Lustre and Amazon S3 to provide backend storage.

The DevOps engineer must design and build an infrastructure as code (IaC) solution to manage the underlying resource configurations. The company uses an organization in AWS Organizations to manage multiple AWS accounts. The DevOps engineer must design a highly portable solution that can facilitate sharing across AWS member accounts.

Which solution will meet these requirements with the LEAST administrative overhead?

Options:

A.

Use the AWS Cloud Development Kit (AWS CDK) to deploy and manage the infrastructure. Store the CDK source code in the project’s version control system. Use AWS CodePipeline to automate the deployment and stack updates in production.


B.

Use AWS CloudFormation to manage the infrastructure. Use CloudFormation modules to manage the required services. Publish the services to the CloudFormation registry. Use AWS CodePipeline to automate the deployment and stack updates in production.


C.

Use AWS Serverless Application Model (AWS SAM) to manage the infrastructure. Create an AWS Service Catalog portfolio for the project. Build an AWS SAM template that deploys each required service as a product within the catalog. Share the portfolio and grant access to the portfolio for member accounts.


D.

Use AWS CloudFormation to manage the infrastructure. Use CloudFormation nested stacks to manage the required services. Store the nested stacks in the project’s version control system. Use AWS CodePipeline to automate the deployment and stack updates in production.


Expert Solution
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Viewing questions 51-60 out of questions