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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:
425
Last Updated:
Jan 12, 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 warns to add request validation to a production environment Amazon API Gateway API. The developer needs to test the changes before the API is deployed to the production environment. For the lest the developer will send test requests to the API through a testing tool.

Which solution will meet these requirements with the LEAST operational overhead?

Options:

A.

Export the existing API to an OpenAPI file. Create a new API Import the OpenAPI file Modify the new API to add request validation. Perform the tests Modify the existing API to add request validation. Deploy the existing API to production.

B.

Modify the existing API to add request validation. Deploy the updated API to a new API Gateway stage Perform the tests Deploy the updated API to the API Gateway production stage.

C.

Create a new API Add the necessary resources and methods including new request validation. Perform the tests Modify the existing API to add request validation. Deploy the existing API to production.

D.

Clone the exiting API Modify the new API lo add request validation. Perform the tests Modify the existing API to add request validation Deploy the existing API to production.

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Question 2

A developer needs to migrate an online retail application to AWS to handle an anticipated increase in traffic. The application currently runs on two servers: one server for the web application and another server for the database. The web server renders webpages and manages session state in memory. The database server hosts a MySQL database that contains order details. When traffic to the application is heavy, the memory usage for the web server approaches 100% and the application slows down considerably.

The developer has found that most of the memory increase and performance decrease is related to the load of managing additional user sessions. For the web server migration, the developer will use Amazon EC2 instances with an Auto Scaling group behind an Application Load Balancer.

Which additional set of changes should the developer make to the application to improve the application's performance?

Options:

A.

Use an EC2 instance to host the MySQL database. Store the session data and the application data in the MySQL database.

B.

Use Amazon ElastiCache for Memcached to store and manage the session data. Use an Amazon RDS for MySQL DB instance to store the application data.

C.

Use Amazon ElastiCache for Memcached to store and manage the session data and the application data.

D.

Use the EC2 instance store to manage the session data. Use an Amazon RDS for MySQL DB instance to store the application data.

Question 3

A developer created several AWS Lambda functions that write data to a single Amazon S3 bucket. The developer configured all the Lambda functions to send logs and metrics to Amazon CloudWatch.

The developer receives reports that one of the Lambda functions writes data to the bucket very slowly. The developer needs to measure the latency between the problematic Lambda function and the S3 bucket.

Which solution will meet this requirement?

Options:

A.

Enable AWS X-Ray on the Lambda function. In the generated trace map. select the line between Lambda and Amazon S3.

B.

Query the Lambda function's log file in Amazon CloudWatch Logs Insights. Return the average of the auto-discovered ©duration field.

C.

Enable CloudWatch Lambda Insights on the function. View the latency graph that CloudWatch Lambda Insights provides.

D.

Enable AWS X-Ray on the Lambda function. Select Amazon S3 in the latency graph to view the latency histogram.

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