AWS-Certified-Developer-Associate Free Practice Test

- (Exam Topic 3)
A developer supports an application that accesses data in an Amazon DynamoDB table One of the item attributes is expirationDate In the timestamp format The application uses this attribute to find items archive them and remove them from the table based on the timestamp value
The application will be decommissioned soon, and the developer must find another way to implement this functionality The developer needs a solution that will require the least amount of code to write.
Which solution will meet these requirements?

1. A. Enable TTL on the expirationDate attribute in the tabl
2. B. Create a DynamoDB strea
3. C. Create an AWS Lambda function to process the deleted item
4. D. Create a DynamoDB trigger for the Lambda function
5. E. Create two AWS Lambda functions one to delete the items and one to process the items Create a DynamoDB stream Use the Deleteltem API operation to delete the items based on the expirationDate attribute Use the GetRecords API operation to get the items from the DynamoDB stream and process them
6. F. Create two AWS Lambda functions one to delete the items and one to process the items Create an Amazon EventBridge (Amazon CloudWatch Events) scheduled rule to invoke the Lambda functions Use the Deleteltem API operation to delete the items based on the expirationDate attribute Use the GetRecords API operation to get the items from the DynamoDB table and process them
7. G. Enable TTL on the expirationDate attribute in the table Specify an Amazon Simple Queue Service (Amazon SQS) dead-letter queue as the target to delete the items Create an AWS Lambda function toprocess the items.

Correct Answer: C

- (Exam Topic 2)
An on-premises legacy application is caching data files locally and writing shared images to local disks. What is necessary to allow for horizontal scaling when migrating the application to AWS?

1. A. Modify the application to have both shared images and caching data written to Amazon EBS.
2. B. Modify the application to read and write cache data on Amazon S3, and also store shared images on S3.
3. C. Modify the application to use Amazon S3 for serving shared images; cache data can then be written to local disks.
4. D. Modify the application to read and write cache data on Amazon S3, while continuing to write shared images to local disks.

Correct Answer: C

- (Exam Topic 1)
Where should an Elastic Beanstalk configuration file named healthcheckur1.config be placed in the application source bundle?

1. A. In the root of the application
2. B. In the bin folder
3. C. In healthcheckur1.config.ebextension under root
4. D. In the .ebextensions folder

Correct Answer: D

- (Exam Topic 2)
A company has a two-tier application running on an Amazon EC2 server that handles all of its AWS based
e-c ommerce activity During peak times, the backend servers that process orders are overloaded with requests. This results in some orders failing to process. A developer needs to create a solution that will re-factor the application.
Which steps will allow for more flexibility during peak times, while still remaining cost-effective? (Select TWO.)

1. A. Increase the backend T2 EC2 instance sees to xl to handle the largest possible load throughout the year
2. B. implement an Amazon SQS queue to decouple the front-end and backend servers
3. C. Use an Amazon SNS queue to decouple the front-end and backend servers.
4. D. Migrate the backend servers to on-premises and pull from an Amazon SNS queue
5. E. Modify the backend servers to pull from an Amazon SQS queue.

Correct Answer: CD

- (Exam Topic 1)
Which of the following platforms are supported by Elastic Beanstalk? Choose 2 answers

1. A. Apache Tomcat
2. B. .NET
3. C. IBM Websphere
4. D. Oracle JBoss
5. E. Jetty

Correct Answer: AB
https://docs.aws.amazon.com/elasticbeanstalk/latest/platforms/platforms-supported.html