Free Amazon DVA-C02 Exam Questions

Question 1

An ecommerce startup is preparing for an annual sales event. As the traffic to the company's application increases, the development team wants to be notified when the Amazon EC2 instance's CPU utilization exceeds 80%. Which solution will meet this requirement?

A : Create a custom Amazon CloudWatch alarm that sends a notification to an Amazon SNS topic when the CPU utilization exceeds 80%.

B : Create a custom AWS CloudTrail alarm that sends a notification to an Amazon SNS topic when the CPU utilization exceeds 80%.

C : Create a cron job on the EC2 instance that invokes the --describe-instance-information command on the host instance every 15 minutes and sends the results to an Amazon SNS topic.

D : Create an AWS Lambda function that queries the AWS CloudTrail logs for the CPUUtilization metric every 15 minutes and sends a notification to an Amazon SNS topic when the CPU utilization exceeds 80%.

Answer: A

Question 2

A developer needs to give a new application the ability to retrieve configuration data. The application must be able to retrieve new configuration data values without the need to redeploy the application code. If the application becomes unhealthy because of a bad configuration change, the developer must be able to automatically revert the configuration change to the previous value.

A : Use AWS Secrets Manager to manage and store the configuration data. Integrate Secrets Manager with a custom AWS Config rule that has remediation actions to track changes in the application and to roll back any bad configuration changes.

B : Use AWS Secrets Manager to manage and store the configuration data. Integrate Secrets Manager with a custom AWS Config rule. Attach a custom AWS Systems Manager document to the rule that automatically rolls back any bad configuration changes.

C : Use AWS AppConfig to manage and store the configuration data. Integrate AWS AppConfig with Amazon CloudWatch to monitor changes to the application. Set up an alarm to automatically roll back any bad configuration changes.

D : Use AWS AppConfig to manage and store the configuration data. Integrate AWS AppConfig with Amazon CloudWatch to monitor changes to the application. Set up CloudWatch Application Signals to roll back any bad configuration changes.

Answer: D

Question 3

For a deployment using AWS Code Deploy, what is the run order of the hooks for in-place deployments?

A : BeforeInstall - > ApplicationStop - > ApplicationStart - > AfterInstall

B : ApplicationStop - > BeforeInstall - > AfterInstall - > ApplicationStart

C : BeforeInstall - > ApplicationStop - > ValidateService - > ApplicationStart

D : ApplicationStop - > BeforeInstall - > ValidateService - > ApplicationStart

Answer: B

Question 4

When a developer tries to run an AWS Code Build project, it raises an error because the length of allenvironment variables exceeds the limit for the combined maximum of characters.What is the recommended solution?

A : Add the export LC-_ALL " on _ US, tuft " command to the pre _ build section to ensure POSIXLocalization.

B : Use Amazon Cognate to store key-value pairs for large numbers of environment variables

C : Update the settings for the build project to use an Amazon S3 bucket for large numbers of environmentvariables

D : Use AWS Systems Manager Parameter Store to store large numbers ot environment variables

Answer: D

Question 5

A company is creating an application that processes csv files from Amazon S3 A developer has created an S3bucket The developer has also created an AWS Lambda function to process the csv files from the S3 bucketWhich combination of steps will invoke the Lambda function when a csv file is uploaded to Amazon S3?(Select TWO.)

A : Create an Amazon EventBridge rule Configure the rule with a pattern to match the S3 object createdevent

B : Schedule an Amazon EventBridge rule to run a new Lambda function to scan the S3 bucket.

C : Add a trigger to the existing Lambda function. Set the trigger type to EventBridge Select the AmazonEventBridge rule.

D : Create a new Lambda function to scan the S3 bucket for recently added S3 objects

E : Add S3 Lifecycle rules to invoke the existing Lambda function

Answer: A,E