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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:
368
Last Updated:
Dec 11, 2025
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 social media application is experiencing high volumes of new user requests after a recent marketing campaign. The application is served by an Amazon RDS for MySQL instance. A solutions architect examines the database performance and notices high CPU usage and many "too many connections" errors that lead to failed requests on the database. The solutions architect needs to address the failed requests.

Which solution will meet this requirement?

Options:

A.

Deploy an Amazon DynamoDB Accelerator (DAX) cluster. Configure the application to use the DAX cluster.

B.

Deploy an RDS Proxy. Configure the application to use the RDS Proxy.

C.

Migrate the database to an Amazon RDS for PostgreSQL instance.

D.

Deploy an Amazon ElastiCache (Redis OSS) cluster. Configure the application to use the ElastiCache cluster.

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Question 2

A developer is creating an AWS Lambda function. The Lambda function needs an external library to connect to a third-party solution The external library is a collection of files with a total size of 100 MB The developer needs to make the external library available to the Lambda execution environment and reduce the Lambda package space

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

Options:

A.

Create a Lambda layer to store the external library Configure the Lambda function to use the layer

B.

Create an Amazon S3 bucket Upload the external library into the S3 bucket. Mount the S3 bucket folder in the Lambda function Import the library by using the proper folder in the mount point.

C.

Load the external library to the Lambda function's /tmp directory during deployment of the Lambda package. Import the library from the /tmp directory.

D.

Create an Amazon Elastic File System (Amazon EFS) volume. Upload the external library to the EFS volume Mount the EFS volume in the Lambda function. Import the library by using the proper folder in the mount point.

Question 3

A developer is integrating Amazon ElastiCache in an application. The cache will store data from a database. The cached data must populate real-time dashboards. Which caching strategy will meet these requirements?

Options:

A.

A read-through cache

B.

A write-behind cache

C.

A lazy-loading cache

D.

A write-through cache

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