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Amazon DVA-C02 is the latest version of the AWS Certified Developer - Associate exam. AWS Certified Developer - Associate certification targets professionals who have experience in developing and maintaining AWS-based applications. DVA-C02 exam validates their skills and knowledge in designing, developing, deploying, and maintaining applications on AWS. The updated version of the exam reflects the latest AWS services and features, including AWS Lambda, Amazon API Gateway, Amazon DynamoDB, and Amazon SQS.

The AWS Certified Developer - Associate certification is a great way for developers to advance their careers and stay up-to-date with the latest cloud computing technologies. It is highly valued by employers and can lead to better job opportunities and higher salaries. Preparing for the exam requires a strong understanding of AWS services and their use cases, as well as hands-on experience with building and deploying applications on the AWS platform.

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Amazon AWS Certified Developer - Associate Sample Questions (Q47-Q52):

NEW QUESTION # 47
A company is building a micro services app1 cation that consists of many AWS Lambda functions. The development team wants to use AWS Serverless Application Model (AWS SAM) templates to automatically test the Lambda functions. The development team plans to test a small percentage of traffic that is directed to new updates before the team commits to a full deployment of the application.
Which combination of steps will meet these requirements in the MOST operationally efficient way? (Select TWO.)

A. Set the deployment preference type to Canary10Percen130Minutes Use hooks to test the deployment.
B. Use AWS SAM CLI commands in AWS CodeDeploy lo invoke the Lambda functions to lest the deployment
C. Set the deployment preference type to Linear10PefcentEvery10Minutes Use hooks to test the deployment.
D. Declare the EventlnvokeConfig on the Lambda functions in the AWS SAM templates with OnSuccess and OnFailure configurations.
E. Enable gradual deployments through AWS SAM templates.

Answer: A,E

Explanation:
This solution will meet the requirements by using AWS Serverless Application Model (AWS SAM) templates and gradual deployments to automatically test the Lambda functions. AWS SAM templates are configuration files that define serverless applications and resources such as Lambda functions. Gradual deployments are a feature of AWS SAM that enable deploying new versions of Lambda functions incrementally, shifting traffic gradually, and performing validation tests during deployment. The developer can enable gradual deployments through AWS SAM templates by adding a DeploymentPreference property to each Lambda function resource in the template. The developer can set the deployment preference type to Canary10Percent30Minutes, which means that 10 percent of traffic will be shifted to the new version of the Lambda function for 30 minutes before shifting 100 percent of traffic. The developer can also use hooks to test the deployment, which are custom Lambda functions that run before or after traffic shifting and perform validation tests or rollback actions.

NEW QUESTION # 48
A developer wants to use AWS Elastic Beanstalk to test a new version of an application in a test environment.
Which deployment method offers the FASTEST deployment?

A. Rolling with additional batch
B. Rolling
C. Immutable
D. All at once

Answer: D

NEW QUESTION # 49
A company has an application that uses AWS CodePipeline to automate its continuous integration and continuous delivery (CI/CD) workflow. The application uses AWS CodeCommit for version control. A developer who was working on one of the tasks did not pull the most recent changes from the main branch. A week later, the developer noticed merge conflicts.
How can the developer resolve the merge conflicts in the developer's branch with the LEAST development effort?

A. Stop the pull from the main branch to the feature branch. Rebase the feature branch from the main branch.
B. Use the Commit Visualizer view to compare the commits when a feature was added. Fix the merge conflicts.
C. Create a new branch. Apply the changes from the previous branch.
D. Clone the repository. Create a new branch. Update the branch with the changes.

Answer: A

Explanation:
Using the git rebase command to rebase a repository changes the history of a repository, which might cause commits to appear out of order.
https://docs.aws.amazon.com/codecommit/latest/userguide/how-to-view-commit-details.html

NEW QUESTION # 50
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?

A. Create two AWS Lambda functions, one to delete the items and one to process the items. Create an Amazon EventBndge 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.
B. Enable TTL on the expirationDate attribute in the table. Create a DynamoDB stream. Create an AWS Lambda function to process the deleted items. Create a DynamoDB trigger for the Lambda function.
C. 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 to process the items
D. 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

Answer: B

Explanation:
* TTL for Automatic Deletion: DynamoDB's Time-to-Live effortlessly deletes expired items without manual intervention.
* DynamoDB Stream: Captures changes to the table, including deletions of expired items, triggering downstream actions.
* Lambda for Processing: A Lambda function connected to the stream provides custom logic for handling the deleted items.
* Code Efficiency: This solution leverages native DynamoDB features and stream-based processing, minimizing the need for custom code.

NEW QUESTION # 51
A developer is working on a serverless application that needs to process any changes to an Amazon DynamoDB table with an AWS Lambda function.
How should the developer configure the Lambda function to detect changes to the DynamoDB table?

A. Create an Amazon EventBridge rule to invoke the Lambda function on a regular schedule.
Conned to the DynamoDB table from the Lambda function to detect changes.
B. Create an Amazon Kinesis data stream, and attach it to the DynamoDB table. Create a trigger to connect the data stream to the Lambda function.
C. Create an Amazon Kinesis Data Firehose delivery stream, and attach it to the DynamoDB table.Configure the delivery stream destination as the Lambda function.
D. Enable DynamoDB Streams on the table. Create a trigger to connect the DynamoDB stream to the Lambda function.

Answer: D

Explanation:
https://docs.aws.amazon.com/amazondynamodb/latest/developerguide/Streams.Lambda.html

NEW QUESTION # 52
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