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Amazon Web Services DVA-C02 Exam With Confidence Using Practice Dumps

Exam Code:
DVA-C02
Exam Name:
AWS Certified Developer - Associate
Certification:
AWS Certified Associate
Vendor:
Amazon Web Services
Questions:
546
Last Updated:
Apr 1, 2026
Exam Status:
Stable
Amazon Web Services DVA-C02

DVA-C02: AWS Certified Associate Exam 2025 Study Guide Pdf and Test Engine

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AWS Certified Developer - Associate Questions and Answers

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Question 1

A company has an application that is hosted on Amazon EC2 instances The application stores objects in an Amazon S3 bucket and allows users to download objects from the S3 bucket A developer turns on S3 Block Public Access for the S3 bucket After this change, users report errors when they attempt to download objects The developer needs to implement a solution so that only users who are signed in to the application can access objects in the S3 bucket.

Which combination of steps will meet these requirements in the MOST secure way? (Select TWO.)

Options:

A.

Create an EC2 instance profile and role with an appropriate policy Associate the role with the EC2 instances

B.

Create an 1AM user with an appropriate policy. Store the access key ID and secret access key on the EC2 instances

C.

Modify the application to use the S3 GeneratePresignedUrl API call

D.

Modify the application to use the S3 GetObject API call and to return the object handle to the user

E.

Modify the application to delegate requests to the S3 bucket.

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Question 2

A developer is writing an application that will provide data files to an external company. The external company needs to verify that the data is not modified in transit.

How can the developer use AWS KMS to prove the integrity of the transferred data?

Options:

A.

Encrypt the data by using a symmetric key. Provide the key to the external company.

B.

Sign the data by using a symmetric key. Provide the key to the external company.

C.

Sign the data by using the private key of an asymmetric key pair. Provide the public key to the external company.

D.

Sign the data by using the public key of an asymmetric key pair. Provide the private key to the external company.

Question 3

A company requires that all applications running on Amazon EC2 use 1AM roles to gam access to AWS services. A developer is modifying an application that currently relies on 1AM user access keys stored in environment variables to access Amazon DynamoDB tables using boto, the AWS SDK for Python.

The developer associated a role with the same permissions as the 1AM user to the EC2 instance, then deleted the 1AM user. When the application was restarted, the AWS

Access Denied Exception messages started appearing in the application logs. The developer was able to use their personal account on the server to run DynamoDB API commands using the AWS CLI.

What is the MOST likely cause of the exception?

Options:

A.

1AM policies might take a few minutes to propagate to resources.

B.

Disabled environment variable credentials are still being used by the application.

C.

The AWS SDK does not support credentials obtained using an instance role.

D.

The instance ' s security group does not allow access to http://169.254.169.254.

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