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DVA-C01 Reviews Questions

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Total 608 questions
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AWS Certified Developer Associate Exam Questions and Answers

Question 25

A legacy service has an XML-based SOAP interface. The Developer wants to expose the functionality of the service to external clients with the Amazon API Gateway. Which technique will accomplish this?

Options:

A.

Create a RESTful API with the API Gateway; transform the incoming JSON into a valid XML message for the SOAP interface using mapping templates.

B.

Create a RESTful API with the API Gateway; pass the incoming JSON to the SOAP interface through an Application Load Balancer.

C.

Create a RESTful API with the API Gateway; pass the incoming XML to the SOAP interface through an Application Load Balancer.

D.

Create a RESTful API with the API Gateway; transform the incoming XML into a valid message for the

SOAP interface using mapping templates.

Question 26

What item operation allows the retrieval of multiple items from a DynamoDB table in a single API call?

Options:

A.

GetItem

B.

BatchGetItem

C.

GetMultipleItems

D.

GetItemRange

Question 27

A Developer has published an update to an application that is served to a global user base using Amazon CloudFront. After deploying the application, users are not able to see the updated changes.

How can the Developer resolve this issue?

Options:

A.

Remove the origin from the CloudFront configuration and add it again.

B.

Disable forwarding of query strings and request headers from the CloudFront distribution configuration.

C.

Invalidate all the application objects from the edge caches.

D.

Disable the CloudFront distribution and enable it again to update all the edge locations.

Question 28

A Developer is developing an application that manages financial transactions. To improve security, multi-factor authentication (MFA) will be required as part of the login protocol.

What services can the Developer use to meet these requirements?

Options:

A.

Amazon DynamoDB to store MFA session data, and Amazon SNS to send MFA codes

B.

Amazon Cognito with MFA

C.

AWS Directory Service

D.

AWS IAM with MFA enabled

Page: 7 / 23
Total 608 questions
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