Amazon DVA-C02 Actual Free Exam Questions & Community Discussion

A developer must securely access a secret during a build process in an AWS CodeBuild project that has an IAM role. The secret must remain encrypted at rest and must be passed to the buildspec.yml file without appearing in the build logs. Which solution will meet these requirements with the LEAST operational overhead?

A developer is running an application on an Amazon EC2 instance. When the application tries to read an Amazon S3 bucket, the application fails. The developer notices that the associated IAM role is missing the S3 read permission. The developer needs to give the application the ability to read the S3 bucket. Which solution will meet this requirement with the LEAST application disruption?

A developer needs to retrieve all data from an Amazon DynamoDB table that matches a particular partition key.
Which solutions will meet this requirement in the MOST operationally efficient way? (Select TWO.)

A developer created an AWS Lambda function that performs a series of operations that involve multiple AWS services. The function ' s duration time is higher than normal. To determine the cause of the issue, the developer must investigate traffic between the services without changing the function code Which solution will meet these requirements?

An ecommerce company has an integration with a payment processing service that publishes messages about payment activities to an Amazon SNS topic. A developer is building an AWS Lambda function to process payment refunds from the SNS topic. The Lambda function must process only messages related to refunds.
Which solution will meet this requirement in the MOST operationally efficient way?

A developer is working on an application that uses a microservices architecture. The developer needs to grant an AWS Lambda function access to make calls to an Amazon API Gateway HTTP API. The HTTP API requires authentication.
Which solution will meet these requirements?

An 1AM role is attached to an Amazon EC2 instance that explicitly denies access to all Amazon S3 API actions. The EC2 instance credentials file specifies the 1AM access key and secret access key, which allow full administrative access.
Given that multiple modes of 1AM access are present for this EC2 instance, which of the following is correct?

A developer is creating an AWS Lambda function that searches for items from an Amazon DynamoDB table that contains customer contact information- The DynamoDB table items have the customer ' s email_address as the partition key and additional properties such as customer_type, name, and job_tltle.
The Lambda function runs whenever a user types a new character into the customer_type text input The developer wants the search to return partial matches of all the email_address property of a particular customer_type The developer does not want to recreate the DynamoDB table.
What should the developer do to meet these requirements?

A company is developing a web application that allows its employees to upload a profile picture to a private Amazon S3 bucket. There is no size limit for the profile pictures, which should be displayed every time an employee logs in. For security reasons, the pictures cannot be publicly accessible.
What is a viable long-term solution for this scenario?

A development team uses AWS CodeBuild as part of a CI/CD pipeline. The project includes hundreds of unit and integration tests, and total build time continues to increase. The team wants faster feedback and lower overall testing duration without managing additional infrastructure.
Which solution will meet these requirements with the LEAST operational overhead ?

In a move toward using microservices, a company's management team has asked all development teams to build their services so that API requests depend only on that service's data store. One team is building a Payments service which has its own database; the service needs data that originates in the Accounts database.
Both are using Amazon DynamoDB.
What approach will result in the simplest, decoupled, and reliable method to get near-real time updates from the Accounts database?

A developer is deploying an AWS Lambda function The developer wants the ability to return to older versions of the function quickly and seamlessly.
How can the developer achieve this goal with the LEAST operational overhead?

A developer is building an application that stores objects in an Amazon S3 bucket. The bucket does not have versioning enabled. The objects are accessed rarely after 1 week. However, the objects must be immediately available at all times.
The developer wants to optimize storage costs for the S3 bucket.
Which solution will meet this requirement?