Amazon DVA-C02 Questions - To Pass Exam Easily [2026]

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DVA-C02 Test Guide | DVA-C02 Valid Exam Answers

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The AWS Certified Developer - Associate certification is a valuable credential for developers who want to advance their career in the cloud computing industry. AWS Certified Developer - Associate certification demonstrates their ability to use AWS services to develop scalable, reliable, and secure applications. AWS Certified Developer - Associate certification also demonstrates their understanding of the best practices for deploying and maintaining applications on AWS.

Amazon AWS Certified Developer - Associate Sample Questions (Q173-Q178):

NEW QUESTION # 173
A developer is creating a new REST API by using Amazon API Gateway and AWS Lambd a. The development team tests the API and validates responses for the known use cases before deploying the API to the production environment.
The developer wants to make the REST API available for testing by using API Gateway locally.
Which AWS Serverless Application Model Command Line Interface (AWS SAM CLI) subcommand will meet these requirements?

Answer: D

Explanation:
The AWS Serverless Application Model Command Line Interface (AWS SAM CLI) is a command-line tool for local development and testing of Serverless applications2. The sam local start-api subcommand of AWS SAM CLI is used to simulate a REST API by starting a new local endpoint3. Therefore, option D is correct.


NEW QUESTION # 174
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?

Answer: D

Explanation:
This solution will most likely solve the issues because it will grant the IAM user the necessary permission to access the DynamoDB table using the AWS CLI command. The error message indicates that the IAM user does not have sufficient access rights to perform the scan operation on the table. Option A is not optimal because it will change the command to use put-item instead of scan, which will not achieve the desired result of getting data from the table. Option B is not optimal because it will involve contacting AWS Support, which may not be necessary or efficient for this issue. Option C is not optimal because it will state that DynamoDB cannot be accessed from the AWS CLI, which is incorrect as DynamoDB supports AWS CLI commands.
References: AWS CLI for DynamoDB, [IAM Policies for DynamoDB]


NEW QUESTION # 175
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.)

Answer: D,E

Explanation:
* IAM Roles for EC2 (A): The most secure way to provide AWS permissions from EC2.
* Create a role with a policy allowing s3:GetObject on the specific bucket.
* Attach the role to an instance profile and associate that profile with your instances.
* Pre-signed URLs (C): Temporary, authenticated URLs for specific S3 actions.
* Modify the app to use the AWS SDK to call GeneratePresignedUrl.
* Embed these URLs when a user is properly logged in, allowing download access.
References:
IAM Roles for EC2: https://docs.aws.amazon.com/IAM/latest/UserGuide/id_roles_use_switch-role-ec2.html Generating Presigned URLs: https://docs.aws.amazon.com/AmazonS3/latest/userguide
/ShareObjectPreSignedURL.htm


NEW QUESTION # 176
A developer has written an application that runs on Amazon EC2 instances. The developer is adding functionality for the application to write objects to an Amazon S3 bucket.
Which policy must the developer modify to allow the instances to write these objects?

Answer: D


NEW QUESTION # 177
A company uses AWS X-Ray to monitor a serverless application. The components of the application have different request rates. The user interactions and transactions are important to trace, but they are low in volume. The background processes such as application health checks, polling, and connection maintenance generate high volumes of read-only requests.
Currently, the default X-Ray sampling rules are universal for all requests. Only the first request per second and some additional requests are recorded. This setup is not helping the company review the requests based on service or request type.
A developer must configure rules to trace requests based on service or request properties. The developer must trace the user interactions and transactions without wasting effort recording minor background tasks.
Which solution will meet these requirements?

Answer: A


NEW QUESTION # 178
......

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