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Amazon DVA-C02 Exam Syllabus Topics:

SectionWeightObjectives
Development with AWS Services32%- Integrate AWS services into applications
  • 1. Use AWS Lambda, API Gateway, Amazon EventBridge
  • 2. Implement messaging and event-driven workflows
- Interact with AWS data services
  • 1. Implement caching and data storage strategies
  • 2. Work with Amazon DynamoDB, Amazon S3
- Write code for applications hosted on AWS
  • 1. Use AWS SDKs and APIs
  • 2. Implement architectural patterns
  • 3. Develop serverless applications
Security26%- Apply security best practices
  • 1. Validate application security configurations
  • 2. Follow AWS Well-Architected Framework security principles
- Secure application data
  • 1. Manage secrets and credentials securely
  • 2. Implement encryption at rest and in transit
- Implement authentication and authorization
  • 1. Manage IAM roles, policies, and permissions
  • 2. Use Amazon Cognito for identity management
Troubleshooting and Optimization18%- Troubleshoot application issues
  • 1. Analyze logs, metrics, and traces
  • 2. Use Amazon CloudWatch, AWS X-Ray for monitoring
- Optimize application performance
  • 1. Improve latency and throughput
  • 2. Optimize resource usage and costs
- Debug and resolve errors
  • 1. Resolve integration and configuration problems
  • 2. Identify and fix code defects
Deployment24%- Implement CI/CD pipelines
  • 1. Automate deployment and testing workflows
  • 2. Use AWS CodePipeline, CodeBuild, CodeDeploy
- Prepare application artifacts for deployment
  • 1. Use infrastructure as code (AWS CloudFormation, AWS SAM)
  • 2. Package code and dependencies
- Deploy applications on AWS
  • 1. Deploy to AWS Lambda, Amazon EC2, Elastic Beanstalk
  • 2. Perform safe updates and rollbacks

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Amazon AWS Certified Developer - Associate Sample Questions (Q535-Q540):

NEW QUESTION # 535
A developer is making changes to a custom application that uses AWS Elastic Beanstalk.
Which solutions will update the Elastic Beanstalk environment with the new application version after the developer completes the changes? (Choose two.)

Answer: C,D


NEW QUESTION # 536
A company has a serverless application on AWS that uses a fleet of AWS Lambda functions that have aliases. The company regularly publishes new Lambda function by using an in-house deployment solution. The company wants to improve the release process and to use traffic shifting. A newly published function version should initially make available only to a fixed percentage of production users.
Which solution will meet these requirements?

Answer: C

Explanation:
Weighted aliases allow you to route traffic to different versions of a function based on weights that you assign. This allows you to implement a canary deployment, where you initially route a small percentage of your traffic to the new version of the function, and then gradually increase the percentage as you gain confidence in the new version.


NEW QUESTION # 537
An AWS Lambda function requires read access to an Amazon S3 bucket and requires read/write access to an Amazon DynamoDB table The correct 1AM policy already exists What is the MOST secure way to grant the Lambda function access to the S3 bucket and the DynamoDB table?

Answer: C

Explanation:
Explanation
The most secure way to grant the Lambda function access to the S3 bucket and the DynamoDB table is to create an IAM role for the Lambda function and attach the existing IAM policy to the role. This way, you can use the principle of least privilege and avoid exposing any credentials in your function code or environment variables. You can also leverage the temporary security credentials that AWS provides to the Lambda function when it assumes the role. This solution follows the best practices for working with AWS Lambda functions1 and designing and architecting with DynamoDB2. References
* Best practices for working with AWS Lambda functions
* Best practices for designing and architecting with DynamoDB


NEW QUESTION # 538
A company has an online web application that includes a product catalog. The catalog is stored in an Amazon S3 bucket that is named DOC-EXAMPLE-BUCKET. The application must be able to list the objects in the S3 bucket and must be able to download objects through an 1AM policy.
Which policy allows MINIMUM access to meet these requirements?



Answer: D


NEW QUESTION # 539
A company runs an AWS CodeBuild project on medium-sized Amazon EC2 instances. The company wants to cost optimize the project and reduce the provisioning time.

Answer: D

Explanation:
Comprehensive and Detailed Step-by-Step Explanation:
* Option D: Set up Amazon S3 Caching for CodeBuild:
* CodeBuild supports S3 caching to store intermediate build artifacts and dependencies. This reduces the time required to download dependencies during subsequent builds, effectively lowering costs and improving build performance.
* By using S3 caching, developers can optimize costs without changing the compute type or adding complexity.
* Why Other Options Are Incorrect:
* Option A: CodeBuild does not have a "reserved capacity fleet" option.
* Option B: AWS Lambda cannot be used as the compute mode for CodeBuild projects.
CodeBuild uses its own managed build environments.
* Option C: CodeBuild already operates on an on-demand basis, so this does not address the need for optimization or reduced provisioning time.
References:
* AWS CodeBuild Caching Documentation


NEW QUESTION # 540
......

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