Pearson DVA-C02 New Attempt

AWS Certified Developer - Associate Questions and Answers

Question 61

A developer is creating AWS CloudFormation templates to manage an application's deployment in Amazon Elastic Container Service (Amazon ECS) through AWS CodeDeploy. The developer wants to automatically deploy new versions of the application to a percentage of users before the new version becomes available for all users.

How should the developer manage the deployment of the new version?

Options:

Modify the CloudFormation template to include a Transform section and the AWS::CodeDeploy::BlueGreen hook.

Deploy the new version in a new CloudFormation stack. After testing is complete, update the application's DNS records for the new stack.

Run CloudFormation stack updates on the application stack to deploy new application versions when they are available.

Create a nested stack for the new version. Include a Transform section and the AWS::CodeDeploy::BlueGreen hook.

Question 62

A developer is working on an ecommerce platform that communicates with several third-party payment processing APIs The third-party payment services do not provide a test environment.

The developer needs to validate the ecommerce platform's integration with the third-party payment processing APIs. The developer must test the API integration code without invoking the third-party payment processing APIs.

Which solution will meet these requirements'?

Options:

Set up an Amazon API Gateway REST API with a gateway response configured for status code 200 Add response templates that contain sample responses captured from the real third-party API.

Set up an AWS AppSync GraphQL API with a data source configured for each third-party API Specify an integration type of Mock Configure integration responses by using sample responses captured from the real third-party API.

Create an AWS Lambda function for each third-party API. Embed responses captured from the real third-party API. Configure Amazon Route 53 Resolver with an inbound endpoint for each Lambda function's Amazon Resource Name (ARN).

Set up an Amazon API Gateway REST API for each third-party API Specify an integration request type of Mock Configure integration responses by using sample responses captured from the real third-party API

Question 63

A company is using Amazon RDS as the Backend database for its application. After a recent marketing campaign, a surge of read requests to the database increased the latency of data retrieval from the database.

The company has decided to implement a caching layer in front of the database. The cached content must be encrypted and must be highly available.

Which solution will meet these requirements?

Options:

Amazon Cloudfront

Amazon ElastiCache to Memcached

Amazon ElastiCache for Redis in cluster mode

Amazon DynamoDB Accelerate (DAX)

Question 64

An application runs on multiple EC2 instances behind an ELB.

Where is the session data best written so that it can be served reliably across multiple requests?

Options:

Write data to Amazon ElastiCache

Write data to Amazon Elastic Block Store

Write data to Amazon EC2 instance Store

Wide data to the root filesystem

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AWS Certified Developer - Associate Questions and Answers

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CompTIA

Fortinet

Microsoft

Salesforce