Amazon Web Services selftestengine new Release Dva-c02 Aws Certified Associate Questions by Michaela q39 vce pdf

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Exam Name:	AWS Certified Developer - Associate
Exam Code:	DVA-C02 Dumps
Vendor:	Amazon Web Services	Certification:	AWS Certified Associate
Questions:	519 Q&A's	Shared By:	michaela

Question 76

A company runs a highly available application in multiple AWS Regions. The application requires access to a secret value that is stored in AWS Secrets Manager. The secret value must be available in all Regions where the application operates. The secret value must remain consistent across the Regions.

Which solution will meet these requirements with the LEAST operational overhead?

Options:

Configure an AWS Lambda function to copy the secret to each Region. Configure Amazon EventBridge to trigger the Lambda function to update the copies of the secret when the primary secret is updated.

Configure the application in all Regions to retrieve the secret value directly from the primary Region by using the secret's ARN. Configure the application to cache the secret value locally.

Enable replication for the secret in the primary Region. Ensure that the application can access the appropriate secret ARN in each Region where the secret is replicated.

Create a new secret in each Region. Ensure that the application can access the appropriate secret ARN in each Region where the secret is replicated.

Discussion

Answer:

Explanation:

The requirement is for a single secret value to be available in multiple AWS Regions while remaining consistent across those Regions, with the least operational overhead. AWS Secrets Manager provides a managed capability for this use case: secret replication (also referred to as multi-Region secrets). When replication is enabled from a primary Region, Secrets Manager automatically creates and maintains synchronized replicas of the secret in the selected secondary Regions. Updates to the primary secret are propagated to the replicas so the secret value remains consistent across Regions.

This approach (option C) minimizes operational effort because AWS manages the replication workflow, consistency, and the lifecycle of replicas. The application in each Region can retrieve the secret from the local Region endpoint of Secrets Manager by referencing the Region-appropriate secret ARN, improving latency and reducing cross-Region dependency. It also improves resilience: if a Region has issues, workloads in another Region can still read the replicated secret locally.

Option A recreates managed replication with custom glue (Lambda + EventBridge), which adds code, scheduling, error handling, permissions, retries, and monitoring—higher operational overhead and more failure modes. Option B introduces a cross-Region runtime dependency on the primary Region and increases latency; local caching also risks stale secret values during rotations/updates unless carefully managed, and it reduces resilience if the primary Region is impaired. Option D (independent secrets per Region) increases operational overhead and directly risks inconsistency, because keeping values synchronized becomes a manual or custom automated process.

Therefore, C is the best solution: enable Secrets Manager replication in the primary Region and have applications in each Region read from their local replicated secret ARN to achieve consistent, multi-Region availability with minimal operational work.

Question 77

A developer is building an application that includes an AWS Lambda function that is written in .NET Core. The Lambda function's code needs to interact with Amazon DynamoDB tables and Amazon S3 buckets. The developer must minimize the Lambda function's deployment time and invocation duration.

Which solution will meet these requirements?

Options:

Increase the Lambda function's memory.

Include the entire AWS SDK for .NET in the Lambda function's deployment package.

Include only the AWS SDK for .NET modules for DynamoDB and Amazon S3 in the Lambda function's deployment package.

Configure the Lambda function to download the AWS SDK for .NET from an S3 bucket at runtime.

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Question 78

A developer must cache dependent artifacts from Maven Central, a public package repository, as part of an application's build pipeline. The build pipeline has an AWS CodeArtifact repository where artifacts of the build are published. The developer needs a solution that requires minimum changes to the build pipeline.

Which solution meets these requirements?

Options:

Modify the existing CodeArtifact repository to associate an upstream repository with the public package repository.

Create a new CodeArtifact repository that has an external connection to the public package repository.

Create a new CodeArtifact domain that contains a new repository that has an external connection to the public package repository.

Modify the CodeArtifact repository resource policy to allow artifacts to be fetched from the public package repository.

Discussion

Question 79

A banking company is building an application for users to create accounts, view balances, and review recent transactions. The company integrated an Amazon API Gateway REST API with AWS Lambda functions. The company wants to deploy a new version of a Lambda function that gives customers the ability to view their balances. The new version of the function displays customer transaction insights. The company wants to test the new version with a small group of users before deciding whether to make the feature available for all users. Which solution will meet these requirements with the LEAST disruption to users?

Options:

Create a canary deployment for the REST API. Gradually increase traffic to the new version of the function. Revert traffic to the old version if issues are detected.

Redeploy the REST API stage to use the new version of the function. If issues are detected, update the REST API to point to the previous version of the function.

Deploy the new version of the function to a new stage in the REST API. Route traffic to the new stage. If the new version fails, route traffic to the original stage.

Create a new REST API stage for the new version of the function. Create a weighted alias record set in Amazon Route 53 to distribute traffic between the original stage and the new stage.