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Amazon DVA-C02 Exam Questions
- Amazon Associate Certifications
- Amazon AWS Certified Developer Associate Certifications
- Topic 1: Development with AWS Services: In this topic, AWS developers gain expertise in writing and managing code for applications hosted on AWS, including leveraging AWS Lambda for serverless architectures. The focus also includes using data stores effectively in application development. The topic sharpens skills in cloud-native application development, aligning with the requirements of scalable, efficient systems.
- Topic 2: Security: This topic empowers AWS developers to implement robust authentication and authorization mechanisms for applications and AWS services. It also highlights best practices in applying encryption using AWS tools and securely managing sensitive data within application code. Developers enhance their ability to create secure, compliant applications in the AWS ecosystem.
- Topic 3: Deployment: AWS developers learn to prepare application artifacts for deployment, conduct rigorous testing in development environments, and automate deployment testing workflows. This topic also introduces the use of AWS CI/CD services for efficient code deployment. The knowledge ensures effective application lifecycle management in production environments.
- Topic 4: Troubleshooting and Optimization:This topic prepares AWS developers to assist in root cause analysis, integrate observability into their code with instrumentation, and optimize applications using AWS services and features. Mastery of these skills ensures developers can maintain and enhance application performance and reliability efficiently.
Free Amazon DVA-C02 Exam Actual Questions
Note: Premium Questions for DVA-C02 were last updated On Apr. 12, 2026 (see below)
A developer is deploying an AWS Lambda function The developer wants the ability to return to older versions of the function quickly and seamlessly.
How can the developer achieve this goal with the LEAST operational overhead?
A function alias is a pointer to a specific Lambda function version. You can use aliases to create different environments for your function, such as development, testing, and production. You can also use aliases to perform blue/green deployments by shifting traffic between two versions of your function gradually. This way, you can easily roll back to a previous version if something goes wrong, without having to redeploy your code or change your configuration. Reference:AWS Lambda function aliases
A company has an existing application that has hardcoded database credentials A developer needs to modify the existing application The application is deployed in two AWS Regions with an active-passive failover configuration to meet company's disaster recovery strategy
The developer needs a solution to store the credentials outside the code. The solution must comply With the company's disaster recovery strategy
Which solution Will meet these requirements in the MOST secure way?
AWS Secrets Manager is a service that allows you to store and manage secrets, such as database credentials, API keys, and passwords, in a secure and centralized way.It also provides features such as automatic secret rotation, auditing, and monitoring1. By using AWS Secrets Manager, you can avoid hardcoding credentials in your code, which is a bad security practice and makes it difficult to update them.You can also replicate your secrets to another Region, which is useful for disaster recovery purposes2. To access your secrets from your application, you can use the ARN of the secret, which is a unique identifier that includes the Region name.This way, your application can use the appropriate secret based on the Region where it is deployed3.
AWS Secrets Manager
Replicating and sharing secrets
Using your own encryption keys
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?
What is the recommended approach for handling A banking company is building an application for users to create ?
API Gateway's canary deployments allow gradual traffic shifting to a new version of a function, minimizing disruption while testing.
Why Option A is Correct:
Gradual Rollout: Reduces risk by incrementally increasing traffic.
Rollback Support: Canary deployments make it easy to revert to the previous version.
Why Not Other Options:
Option B: Redeploying the stage disrupts all users.
Option C & D: Managing new stages and weighted routing introduces unnecessary complexity.
An 1AM role is attached to an Amazon EC2 instance that explicitly denies access to all Amazon S3 API actions. The EC2 instance credentials file specifies the 1AM access key and secret access key, which allow full administrative access.
Given that multiple modes of 1AM access are present for this EC2 instance, which of the following is correct?
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