AWS Certified Developer - Associate (DVA-C02) Exam Guide

The **AWS Developer Associate** certification validates your skills to develop and deploy cloud-native applications on AWS. It focuses on Serverless, containers, and developer tools.

Which AWS service allows you to run serverless code in response to events?

Answer : AWS Lambda.

Lambda allows you to run code without managing EC2 instances. You only pay for the actual execution time.

Which NoSQL database service is recommended for highly scalable applications with millisecond performance?

Answer : Amazon DynamoDB.

It is a fully managed key-value database that provides consistent performance at any scale.

Which AWS tool allows you to define infrastructure as code using YAML or JSON files?

Answer : AWS CloudFormation.

CloudFormation enables automated and repeatable provisioning and management of AWS resources.

Which service helps monitor the performance of your distributed applications and identify bottlenecks (tracing)?

Answer : AWS X-Ray.

X-Ray helps developers analyze and debug distributed applications in production, especially for microservices architectures.

What is the maximum execution time limit for an AWS Lambda function?

Answer : 15 minutes (900 seconds).

If your processing takes more than 15 minutes, it is recommended to use Step Functions or Fargate.

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