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Amazon DVA-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Security	26%	- Secure application data 1. Manage secrets and credentials securely 2. Implement encryption at rest and in transit - Apply security best practices 1. Validate application security configurations 2. Follow AWS Well-Architected Framework security principles - Implement authentication and authorization 1. Use Amazon Cognito for identity management 2. Manage IAM roles, policies, and permissions
Topic 2: Development with AWS Services	32%	- 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. Implement architectural patterns 2. Use AWS SDKs and APIs 3. Develop serverless applications - Integrate AWS services into applications 1. Use AWS Lambda, API Gateway, Amazon EventBridge 2. Implement messaging and event-driven workflows
Topic 3: Troubleshooting and Optimization	18%	- Troubleshoot application issues 1. Analyze logs, metrics, and traces 2. Use Amazon CloudWatch, AWS X-Ray for monitoring - Debug and resolve errors 1. Resolve integration and configuration problems 2. Identify and fix code defects - Optimize application performance 1. Optimize resource usage and costs 2. Improve latency and throughput
Topic 4: Deployment	24%	- Implement CI/CD pipelines 1. Automate deployment and testing workflows 2. Use AWS CodePipeline, CodeBuild, CodeDeploy - Deploy applications on AWS 1. Deploy to AWS Lambda, Amazon EC2, Elastic Beanstalk 2. Perform safe updates and rollbacks - Prepare application artifacts for deployment 1. Use infrastructure as code (AWS CloudFormation, AWS SAM) 2. Package code and dependencies

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Amazon AWS Certified Developer - Associate Sample Questions (Q704-Q709):

NEW QUESTION # 704
A development team is using an Amazon SNS topic as part of an application. The development team is using an AWS SDK to send messages to the SNS topic. The SNS topic sends an email message to a specific person when each message arrives in the topic.
The development team wants a solution to invoke a specific AWS Lambda function if a message that arrives in the topic contains the word "Important" in the title attribute of the JSON message.
The solution must not require any changes to the application code.
Which solution will meet these requirements?

A. Add a new subscription to the topic that will invoke the specified Lambda function. Add a redrive policy that filters on a title that contains "Important"
B. Create a new SNS topic that will invoke the specified Lambda function. Add a subscription filter policy that filters on a title that contains "Important"
C. Add a new subscription to the topic that will invoke the specified Lambda function. Add a subscription filter policy that filters on a title that contains "Important"
D. Create a new SNS topic that will invoke the specified Lambda function. Add a redrive policy that filters on a title that contains "Important"

Answer: C

NEW QUESTION # 705
A developer is creating a template that uses AWS CloudFormation to deploy an application. The application is serverless and uses Amazon API Gateway, Amazon DynamoDB, and AWS Lambda.
Which AWS service or tool should the developer use to define serverless resources in YAML?

A. AWS Serverless Application Model (AWS SAM)
B. AWS Elastic Beanstalk
C. AWS Cloud Development Kit (AWS CDK)
D. CloudFormation serverless intrinsic functions

Answer: A

NEW QUESTION # 706
When using the AWS Encryption SDK how does the developer keep track of the data encryption keys used to encrypt data?

A. The developer must manually keep Hack of the data encryption keys used for each data object.
B. The data encryption key is stored m the user data for the EC2 instance.
C. The SDK encrypts the data encryption key and stores it (encrypted) as part of the resumed ophertext.
D. The SDK stores the data encryption keys automaticity in Amazon S3.

Answer: C

Explanation:
This solution will meet the requirements by using AWS Encryption SDK, which is a client-side encryption library that enables developers to encrypt and decrypt data using data encryption keys that are protected by AWS Key Management Service (AWS KMS). The SDK encrypts the data encryption key with a customer master key (CMK) that is managed by AWS KMS, and stores it (encrypted) as part of the returned ciphertext.
The developer does not need to keep track of the data encryption keys used to encrypt data, as they are stored with the encrypted data and can be retrieved and decrypted by using AWS KMS when needed. Option A is not optimal because it will require manual tracking of the data encryption keys used for each data object, which is error-prone and inefficient. Option C is not optimal because it will store the data encryption keys automatically in Amazon S3, which is unnecessary and insecure as Amazon S3 is not designed for storing encryption keys. Option D is not optimal because it will store the data encryption key in the user data for the EC2 instance, which is also unnecessary and insecure as user data is not encrypted by default.
References: [AWS Encryption SDK], [AWS Key Management Service]

NEW QUESTION # 707
A developer must securely access a secret during a build process in an AWS CodeBuild project that has an IAM role. The secret must remain encrypted at rest and must be passed to the buildspec.yml file without appearing in the build logs. Which solution will meet these requirements with the LEAST operational overhead?

A. Store the secret in AWS Systems Manager Parameter Store. Use a pre-build step to retrieve the parameter by using AWS CLI commands. Mask the parameter in the buildspec.yml file. Grant the CodeBuild IAM role the minimum necessary permissions to access the parameter.
B. Store the secret in an encrypted Amazon S3 bucket. Download the secret during the build process. Use NoEcho to mask the value of the secret. Grant the CodeBuild IAM role the minimum necessary permissions to access the S3 bucket.
C. Configure AWS Secrets Manager to store the secret. Configure the env section of the buildspec.yml file to have a secrets-manager key-value entry that references the secret. Grant the CodeBuild IAM role the minimum necessary permissions to access the secret.
D. Configure AWS Systems Manager Parameter Store to store the secret. Configure the env section of the buildspec.yml file to have a parameter-store key-value entry that references the parameter.
Grant the CodeBuild IAM role the minimum necessary permissions to access the parameter.

Answer: C

Explanation:
CodeBuild natively injects AWS Secrets Manager values via the buildspec env.secrets-manager mapping, keeping the secret encrypted at rest and automatically masking it from logs with minimal setup and no custom retrieval steps.

NEW QUESTION # 708
A company's developer has deployed an application in AWS by using AWS CloudFormation The CloudFormation stack includes parameters in AWS Systems Manager Parameter Store that the application uses as configuration settings. The application can modify the parameter values When the developer updated the stack to create additional resources with tags, the developer noted that the parameter values were reset and that the values ignored the latest changes made by the application. The developer needs to change the way the company deploys the CloudFormation stack. The developer also needs to avoid resetting the parameter values outside the stack.
Which solution will meet these requirements with the LEAST development effort?

A. Create an Amazon RDS DB instance as a resource in the CloudFormation stack. Create a table in the database for parameter configuration. Migrate the parameters that the application is modifying from Parameter Store to the configuration table
B. Create an Amazon DynamoDB table as a resource in the CloudFormation stack to hold configuration data for the application Migrate the parameters that the application is modifying from Parameter Store to the DynamoDB table
C. Modify the CloudFormation stack policy to deny updates on Parameter Store parameters
D. Modify the CloudFormation stack to set the deletion policy to Retain for the Parameter Store parameters.

Answer: C

Explanation:
Explanation
https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/protect-stack-resources.html#stack-policy-

NEW QUESTION # 709
......

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