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

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AWS Certified DevOps Engineer - Professional Questions and Answers

Question 1

A DevOps learn has created a Custom Lambda rule in AWS Config. The rule monitors Amazon Elastic Container Repository (Amazon ECR) policy statements for ecr: ' actions. When a noncompliant repository is detected, Amazon EventBridge uses Amazon Simple Notification Service (Amazon SNS) to route the notification to a security team.

When the custom AWS Config rule is evaluated, the AWS Lambda function fails to run.

Which solution will resolve the issue?

Options:

A.

Modify the Lambda function ' s resource policy to grant AWS Config permission to invoke the function.

B.

Modify the SNS topic policy to include configuration changes for EventBridge to publish to the SNS topic.

C.

Modify the Lambda function ' s execution role to include configuration changes for custom AWS Config rules.

D.

Modify all the ECR repository policies to grant AWS Config access to the necessary ECR API actions.

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Question 2

A company is hosting a static website from an Amazon S3 bucket. The website is available to customers at example.com. The company uses an Amazon Route 53 weighted routing policy with a TTL of 1 day. The company has decided to replace the existing static website with a dynamic web application. The dynamic web application uses an Application Load Balancer (ALB) in front of a fleet of Amazon EC2 instances.

On the day of production launch to customers, the company creates an additional Route 53 weighted DNS record entry that points to the ALB with a weight of 255 and a TTL of 1 hour. Two days later, a DevOps engineer notices that the previous static website is displayed sometimes when customers navigate to example.com.

How can the DevOps engineer ensure that the company serves only dynamic content for example.com?

Options:

A.

Delete all objects, including previous versions, from the S3 bucket that contains the static website content.

B.

Update the weighted DNS record entry that points to the S3 bucket. Apply a weight of 0. Specify the domain reset option to propagate changes immediately.

C.

Configure webpage redirect requests on the S3 bucket with a hostname that redirects to the ALB.

D.

Remove the weighted DNS record entry that points to the S3 bucket from the example.com hosted zone. Wait for DNS propagation to become complete.

Question 3

A DevOps engineer is building an application that uses an AWS Lambda function to query an Amazon Aurora MySQL DB cluster. The Lambda function performs only read queries. Amazon EventBridge events invoke the Lambda function.

As more events invoke the Lambda function each second, the database ' s latency increases and the database ' s throughput decreases. The DevOps engineer needs to improve the performance of the application.

Which combination of steps will meet these requirements? (Select THREE.)

Options:

A.

Use Amazon RDS Proxy to create a proxy. Connect the proxy to the Aurora cluster reader endpoint. Set a maximum connections percentage on the proxy.

B.

Implement database connection pooling inside the Lambda code. Set a maximum number of connections on the database connection pool.

C.

Implement the database connection opening outside the Lambda event handler code.

D.

Implement the database connection opening and closing inside the Lambda event handler code.

E.

Connect to the proxy endpoint from the Lambda function.

F.

Connect to the Aurora cluster endpoint from the Lambda function.