Free Amazon DVA-C02 Exam Questions

Become Amazon Certified with updated DVA-C02 exam questions and correct answers

Page: 1 / 110

Total 550 Questions | Updated On: Apr 16, 2026

Add To Cart

Question 1

A company has an application that uses an Amazon S3 bucket for object storage. A developer needs toconfigure in-transit encryption for the S3 bucket. All the S3 objects containing personal data needs to beencrypted at rest with AWS KMS keys, which can be rotated on demand.Which combination of steps will meet these requirements? (Select TWO.)

A : Write an S3 bucket policy to allow only encrypted connections over HTTPS by using permissionsboundary.

B : Configure an S3 bucket policy to enable client-side encryption for the objects containing personal databy using an AWS KMS customer managed key

C : Configure the application to encrypt the objects by using an AWS KMS customer managed key beforeuploading the objects containing personal data to Amazon S3.

D : Write an S3 bucket policy to allow only encrypted connections over HTTPS by using the aws:SecureTransport condition.

E : Configure S3 Block Public Access settings for the S3 bucket to allow only encrypted connections overHTTPS.

Answer: C,D

Question 2

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

A : Use AWS OpsWorks to perform blue/green deployments.

B : Use a function alias with different versions.

C : Maintain deployment packages for older versions in Amazon S3.

D : Use AWS CodePipeline for deployments and rollbacks.

Answer: B

Question 3

A company has an online order website that uses Amazon DynamoDB to store item inventory. A sample ofthe inventory object is as follows:Id: 456Price: 650Product.Category: " Sporting Goods "A developer needs to reduce all inventory prices by 100 as long as the resulting price would not be less than500.What should the developer do to make this change with the LEAST number of calls to DynamoDB?

A : Perform a DynamoDB Query operation with the Id. If the price is > = 600, perform an UpdateItemoperation to update the price.

B : Perform a DynamoDB UpdateItem operation with a condition expression of Price > = 600.

C : Perform a DynamoDB UpdateItem operation with a condition expression of Product.Category IN ( "Sporting Goods " ) AND Price > = 600.

D : Perform a DynamoDB UpdateItem operation with a condition expression of Price - 100 > = 500.

Answer: B

Question 4

A mobile application has thousands of users. Each user may use multiple devices to access the application. The Developer wants to assign unique identifiers to these users regardless of the device they use.

Which of the below is the BEST method to obtain unique identifiers?

A : plement developer-authenticated identities by using Amazon Cognito and get credentials for these identities

B : eate a user table in Amazon DynamoDB with key-value pairs of users and their devices. Use these keys as unique identifiers

C : IAM-generated access key IDs for the users as the unique identifier, but do not store secret keys

D : ign IAM users and roles to the users. Use the unique IAM resource ID as the unique identifier

Answer: A

Question 5

A developer is creating a mobile app that calls a backend service by using an Amazon API Gateway RESTAPI. For integration testing during the development phase, the developer wants to simulate different backendresponses without invoking the backend service.Which solution will meet these requirements with the LEAST operational overhead?

A : Create an AWS Lambda function. Use API Gateway proxy integration to return constant HTTPresponses.

B : Create an Amazon EC2 instance that serves the backend REST API by using an AWS CloudFormationtemplate.

C : Customize the API Gateway stage to select a response type based on the request.

D : Use a request mapping template to select the mock integration response.

Answer: D

Page: 1 / 110

Total 550 Questions | Updated On: Apr 16, 2026

Add To Cart