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AWS Certified Associate DVA-C02 Dumps PDF

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Question 16

A developer is creating a mobile application that will not require users to log in.

What is the MOST efficient method to grant users access to AWS resources'?

Options:

A.

Use an identity provider to securely authenticate with the application.

B.

Create an AWS Lambda function to create an 1AM user when a user accesses the application.

C.

Create credentials using AWS KMS and apply these credentials to users when using the application.

D.

Use Amazon Cognito to associate unauthenticated users with an IAM role that has limited access to resources.

Question 17

When using the AWS Encryption SDK how does the developer keep track of the data encryption keys used to encrypt data?

Options:

A.

The developer must manually keep Hack of the data encryption keys used for each data object.

B.

The SDK encrypts the data encryption key and stores it (encrypted) as part of the resumed ophertext.

C.

The SDK stores the data encryption keys automaticity in Amazon S3.

D.

The data encryption key is stored m the user data for the EC2 instance.

Question 18

A developer has an application that makes batch requests directly to Amazon DynamoDB by using the BatchGetItem low-level API operation. The responses frequently return values in the UnprocessedKeys element.

Which actions should the developer take to increase the resiliency of the application when the batch response includes values in UnprocessedKeys? (Choose two.)

Options:

A.

Retry the batch operation immediately.

B.

Retry the batch operation with exponential backoff and randomized delay.

C.

Update the application to use an AWS software development kit (AWS SDK) to make the requests.

D.

Increase the provisioned read capacity of the DynamoDB tables that the operation accesses.

E.

Increase the provisioned write capacity of the DynamoDB tables that the operation accesses.

Question 19

A developer is trying get data from an Amazon DynamoDB table called demoman-table. The developer configured the AWS CLI to use a specific IAM use's credentials and ran the following command.

The command returned errors and no rows were returned.

What is the MOST likely cause of these issues?

Options:

A.

The command is incorrect; it should be rewritten to use put-item with a string argument

B.

The developer needs to log a ticket with AWS Support to enable access to the demoman-table

C.

Amazon DynamoOB cannot be accessed from the AWS CLI and needs to called via the REST API

D.

The IAM user needs an associated policy with read access to demoman-table

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Exam Code: DVA-C02
Exam Name: AWS Certified Developer - Associate
Last Update: Dec 22, 2024
Questions: 292
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