DVA-C02 Free Practice Test

A developer is designing an AWS Lambda function that creates temporary files that are less than 10 MB during invocation. The temporary files will be accessed and modified multiple times during invocation. The developer has no need to save or retrieve these files in the future.
Where should the temporary files be stored?

1. A. the /tmp directory
2. B. Amazon Elastic File System (Amazon EFS)
3. C. Amazon Elastic Block Store (Amazon EBS)
4. D. Amazon S3

Correct Answer: A

An Amazon Kinesis Data Firehose delivery stream is receiving customer data that contains personally identifiable information. A developer needs to remove pattern-based customer identifiers from the data and store the modified data in an Amazon S3 bucket.
What should the developer do to meet these requirements?

1. A. Implement Kinesis Data Firehose data transformation as an AWS Lambda functio
2. B. Configure the function to remove the customer identifier
3. C. Set an Amazon S3 bucket as the destination of the delivery stream.
4. D. Launch an Amazon EC2 instanc
5. E. Set the EC2 instance as the destination of the delivery strea
6. F. Run an application on the EC2 instance to remove the customer identifier
7. G. Store the transformed data in anAmazon S3 bucket.
8. H. Create an Amazon OpenSearch Service instanc
9. I. Set the OpenSearch Service instance as the destination of the delivery strea
10. J. Use search and replace to remove the customer identifier
11. K. Export the data to an Amazon S3 bucket.
12. L. Create an AWS Step Functions workflow to remove the customer identifier
13. M. As the last step in the workflow, store the transformed data in an Amazon S3 bucke
14. N. Set the workflow as the destination of the delivery stream.

Correct Answer: A

A developer has a legacy application that is hosted on-premises. Other applications hosted on AWS depend on the on-premises application for proper functioning. In case of any application errors, the developer wants to be able to use Amazon CloudWatch to monitor and troubleshoot all applications from one place.
How can the developer accomplish this?

1. A. Install an AWS SDK on the on-premises server to automatically send logs to CloudWatch.
2. B. Download the CloudWatch agent to the on-premises serve
3. C. Configure the agent to use IAM user credentials with permissions for CloudWatch.
4. D. Upload log files from the on-premises server to Amazon S3 and have CloudWatch read the files.
5. E. Upload log files from the on-premises server to an Amazon EC2 instance and have the instance forward the logs to CloudWatch.

Correct Answer: B