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DOP-C02 Exam Dumps - AWS Certified DevOps Engineer - Professional

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Question # 97

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:

appspec.yml

config/config.txt application/web

The appspec yml file has the following contents in the files section

files:

- source: config/config.txt

destination: /usr/local/src/config.txt

- source: /

destination: /var/www/html

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?

A.

The config.txt file will be deployed to only /var/www/html/config/config txt

B.

The config.txt file will be deployed to /usr/local/src/config.txt and to /var/www/html/config/config txt.

C.

The config.txt file will be deployed to only /usr/local/src/config txt

D.

The config txt file will be deployed to /usr/local/src/config.txt and to /var/www/html/application/web/config txt

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Question # 98

A DevOps engineer updates an AWS CloudFormation stack to add a nested stack that includes several Amazon EC2 instances. When the DevOps engineer attempts to deploy the updated stack, the nested stack fails to deploy. What should the DevOps engineer do to determine the cause of the failure?

A.

Use the CloudFormation detect root cause capability for the failed stack to analyze the failure and return the event that is the most likely cause for the failure.

B.

Query failed stacks by specifying the root stack as the ParentId property. Examine the StackStatusReason property for all returned stacks to determine the reason the nested stack failed to deploy.

C.

Activate AWS Systems Manager for the AWS account where the application runs. Use the AWS Systems Manager Automation AWSSupport-TroubleshootCFNCustomResource runbook to determine the reason the nested stack failed to deploy.

D.

Configure the CloudFormation template to publish logs to Amazon CloudWatch. View the CloudFormation logs for the failed stack in the CloudWatch console to determine the reason the nested stack failed to deploy.

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Question # 99

A DevOps engineer maintains a web application that is deployed on an Amazon Elastic Container Service (Amazon ECS) service behind an Application Load Balancer (ALB).

Recent updates to the service caused downtime for the application because of issues with the application code. The DevOps engineer needs to design a solution to test updates on a small amount of traffic first before deploying to the rest of the service.

Which solution will meet these requirements?

A.

Create a new pipeline in AWS CodePipeline. Connect the pipeline to an AWS CodeConnections compatible Git repository. Configure the pipeline with an ECRBuildAndPublish action and an Amazon ECS standard deployment action. Configure the ECS service to use the rolling update deployment type.

B.

Update the ECS service to use AWS CodeDeploy as the deployment controller. Create a second target group for the ALB. Create a CodeDeploy application and deployment group for the application. Use CodeDeploy to deploy updates by using the CodeDeployDefault.ECSCanary10Percent15Minutes deployment configuration.

C.

Create a new AWS CodeBuild project that uses AWS Lambda compute and that includes an IAM role that has permissions to update the ECS task definition. Update the project buildspec file to call the Amazon ECS RegisterTaskDefinition API for deployments. Configure the ECS service to use the rolling update deployment type.

D.

Create a new AWS CodeBuild project. Connect the project to an AWS CodeConnections compatible Git repository. Create a buildspec.yml file in the Git repository that contains commands to call the Amazon ECS UpdateService API. Set a slow start duration of 2 minutes on the ALB target group.

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Question # 100

A company is developing an application that uses AWS Lambda functions. A DevOps engineer must create an AWS CloudFormation template that defines a deployment configuration for gradual traffic shifting to new Lambda function versions.

Which CloudFormation resource configuration will meet this requirement?

A.

Use an AWS::CodeDeploy::DeploymentConfig resource. Define a TimeBasedCanary configuration. Specify values for percentage and minutes for traffic shifting.

B.

Use an AWS::CodeDeploy::DeploymentGroup resource. Define the DeploymentStyle property as BLUE_GREEN. Configure the TrafficRoutingConfig data type for linear traffic shifting.

C.

Use an AWS::Lambda::Version resource with the VersionWeight property to control the percentage of traffic that is routed to the new Lambda function versions.

D.

Use an AWS::Lambda::Alias resource with the RoutingConfig property to specify weights for gradual traffic shifting between the Lambda function versions.

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Question # 101

A company ' s application runs on Amazon EC2 instances. The application writes to a log file that records the username, date, time: and source IP address of the login. The log is published to a log group in Amazon CloudWatch Logs

The company is performing a root cause analysis for an event that occurred on the previous day The company needs to know the number of logins for a specific user from the past 7 days

Which solution will provide this information ' ?

A.

Create a CloudWatch Logs metric filter on the log group Use a filter pattern that matches the username. Publish a CloudWatch metric that sums the number of logins over the past 7 days.

B.

Create a CloudWatch Logs subscription on the log group Use a filter pattern that matches the username Publish a CloudWatch metric that sums the number of logins over the past 7 days

C.

Create a CloudWatch Logs Insights query that uses an aggregation function to count the number of logins for the username over the past 7 days. Run the query against the log group

D.

Create a CloudWatch dashboard. Add a number widget that has a filter pattern that counts the number of logins for the username over the past 7 days directly from the log group

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Question # 102

A company uses an organization in AWS Organizations to manage its AWS accounts. The company ' s DevOps team has developed an AWS Lambda function that calls the Organizations API to create new AWS accounts.

The Lambda function runs in the organization ' s management account. The DevOps team needs to move the Lambda function from the management account to a dedicated AWS account. The DevOps team must ensure that the Lambda function has the ability to create new AWS accounts only in Organizations before the team deploys the Lambda function to the new account.

Which solution will meet these requirements?

A.

In the management account, create a new IAM role that has the necessary permission to create new accounts in Organizations. Allow the role to be assumed by the Lambda execution role in the new AWS account. Update the Lambda function code to assume the role when the Lambda function creates new AWS accounts. Update the Lambda execution role to ensure that it has permission to assume the new role.

B.

In the management account, turn on delegated administration for Organizations. Create a new delegation policy that grants the new AWS account permission to create new AWS accounts in Organizations. Ensure that the Lambda execution role has the organizations:CreateAccount permission.

C.

In the management account, create a new IAM role that has the necessary permission to create new accounts in Organizations. Allow the role to be assumed by the Lambda service principal. Update the Lambda function code to assume the role when the Lambda function creates new AWS accounts. Update the Lambda execution role to ensure that it has permission to assume the new role.

D.

In the management account, enable AWS Control Tower. Turn on delegated administration for AWS Control Tower. Create a resource policy that allows the new AWS account to create new AWS accounts in AWS Control Tower. Update the Lambda function code to use the AWS Control Tower API in the new AWS account. Ensure that the Lambda execution role has the controltower:CreateManagedAccount permission.

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Question # 103

A DevOps engineer notices that all Amazon EC2 instances running behind an Application Load Balancer in an Auto Scaling group are failing to respond to user requests. The EC2 instances are also failing target group HTTP health checks

Upon inspection, the engineer notices the application process was not running in any EC2 instances. There are a significant number of out of memory messages in the system logs. The engineer needs to improve the resilience of the application to cope with a potential application memory leak. Monitoring and notifications should be enabled to alert when there is an issue

Which combination of actions will meet these requirements? (Select TWO.)

A.

Change the Auto Scaling configuration to replace the instances when they fail the load balancer ' s health checks.

B.

Change the target group health check HealthChecklntervalSeconds parameter to reduce the interval between health checks.

C.

Change the target group health checks from HTTP to TCP to check if the port where the application is listening is reachable.

D.

Enable the available memory consumption metric within the Amazon CloudWatch dashboard for the entire Auto Scaling group Create an alarm when the memory utilization is high Associate an Amazon SNS topic to the alarm to receive notifications when the alarm goes off

E.

Use the Amazon CloudWatch agent to collect the memory utilization of the EC2 instances in the Auto Scaling group Create an alarm when the memory utilization is high and associate an Amazon SNS topic to receive a notification.

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Question # 104

A company uses AWS Organizations to manage multiple AWS accounts. The accounts are in an OU that has a policy attached to allow all actions. The company is migrating several Git repositories to a specified AWS CodeConnections supported Git provider. The Git repositories manage AWS CloudFormation stacks for application infrastructure that the company deploys across multiple AWS Regions. The company wants a DevOps team to integrate CodeConnections into the CloudFormation stacks. The DevOps team must ensure that company staff members can integrate only with the specified Git provider. The deployment process must be highly available across Regions. Which combination of steps will meet these requirements? (Select THREE.)

A.

Add a new SCP statement to the OU that denies the CodeConnections CreatingConnections action where the provider type is not the specified Git provider.

B.

Add a new SCP statement to the OU that allows the CodeConnections CreatingConnections action where the provider type is the specified Git provider.

C.

Use CodeConnections to configure a single CodeConnections connection to each Git repository.

D.

Use CodeConnections to create a CodeConnections connection from each Region where the company operates to each Git repository.

E.

Use CodeConnections to create a CodeConnections repository link. Update each CloudFormation stack to sync from the Git repository.

F.

For each Git repository, create a pipeline in AWS CodePipeline that has the Git repository set as the source and a CloudFormation deployment stage.

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