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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 4, 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 developer is creating a simple proof-of-concept demo by using AWS CloudFormation and AWS Lambda functions The demo will use a CloudFormation template to deploy an existing Lambda function The Lambda function uses deployment packages and dependencies stored in Amazon S3 The developer defined anAWS Lambda Function resource in a CloudFormation template. The developer needs to add the S3 bucket to the CloudFormation template.

What should the developer do to meet these requirements with the LEAST development effort?

Options:

A.

Add the function code in the CloudFormation template inline as the code property

B.

Add the function code in the CloudFormation template as the ZipFile property.

C.

Find the S3 key for the Lambda function Add the S3 key as the ZipFile property in the CloudFormation template.

D.

Add the relevant key and bucket to the S3Bucket and S3Key properties in the CloudFormation template

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Question 2

A company has an application that uses an AWS Lambda function to process customer orders. The company notices that the application processes some orders more than once.

A developer needs to update the application to prevent duplicate processing.

Which solution will meet this requirement with the LEAST implementation effort?

Options:

A.

Implement a de-duplication mechanism that uses Amazon DynamoDB as the control database. Configure the Lambda function to check for the existence of a unique identifier before processing each event.

B.

Create a custom Amazon ECS task to perform idempotency checks. Use AWS Step Functions to integrate the ECS task with the Lambda function.

C.

Configure the Lambda function to retry failed invocations. Implement a retry mechanism that has a fixed delay between attempts to handle duplicate events.

D.

Use Amazon Athena to query processed events to identify duplicate records. Add processing logic to the Lambda function to handle the duplication scenarios that the query identifies.

Question 3

A developer is creating an AWS Lambda function in VPC mode An Amazon S3 event will invoke the Lambda function when an object is uploaded into an S3 bucket The Lambda function will process the object and produce some analytic results that will be recorded into a file Each processed object will also generate a log entry that will be recorded into a file.

Other Lambda functions. AWS services, and on-premises resources must have access to the result files and log file. Each log entry must also be appended to the same shared log file. The developer needs a solution that can share files and append results into an existing file.

Which solution should the developer use to meet these requirements?

Options:

A.

Create an Amazon Elastic File System (Amazon EFS) file system. Mount the EFS file system in Lambda. Store the result files and log file in the mount point. Append the log entries to the log file.

B.

Create an Amazon Elastic Block Store (Amazon EBS) Multi-Attach enabled volume Attach the EBS volume to all Lambda functions. Update the Lambda function code to download the log file, append the log entries, and upload the modified log file to Amazon EBS

C.

Create a reference to the /tmp local directory. Store the result files and log file by using the directory reference. Append the log entry to the log file.

D.

Create a reference to the /opt storage directory Store the result files and log file by using the directory reference Append the log entry to the log file

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