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Amazon DVA-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Troubleshooting and Optimization	18%	- Performance optimization 1. Application performance tuning 2. Fault tolerance and resilience patterns - Monitoring and logging 1. Amazon CloudWatch metrics and logs
Topic 2: Development with AWS Services	32%	- AWS core services development 1. Amazon DynamoDB integration patterns 2. AWS Lambda functions development 3. Amazon S3 usage in applications - Application development and integration 1. API Gateway and REST APIs 2. Event-driven architectures with SNS/SQS
Topic 3: Deployment	24%	- CI/CD and deployment strategies 1. AWS CodePipeline workflows 2. AWS CodeBuild and CodeDeploy usage - Infrastructure as code 1. AWS CloudFormation templates
Topic 4: Security	26%	- Application authentication and authorization 1. IAM roles and policies 2. Cognito user authentication - Data security 1. Encryption using AWS KMS 2. Secure API access patterns

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Amazon AWS Certified Developer - Associate Sample Questions (Q76-Q81):

NEW QUESTION # 76
A company needs to deploy all its cloud resources by using AWS CloudFormation templates A developer must create an Amazon Simple Notification Service (Amazon SNS) automatic notification to help enforce this rule. The developer creates an SNS topic and subscribes the email address of the company's security team to the SNS topic.
The security team must receive a notification immediately if an 1AM role is created without the use of CloudFormation.
Which solution will meet this requirement?

A. Launch an Amazon EC2 instance that includes a script to filter events from CloudTrail if a role was created without CloudFormation. Configure the script to publish to the SNS topic. Create a cron job to run the script on the EC2 instance every 15 minutes.
B. Create an AWS Fargate task in Amazon Elastic Container Service (Amazon ECS) to filter events from CloudTrail if a role was created without CloudFormation Configure the Fargate task to publish to the SNS topic Create an Amazon EventBridge schedule to run the Fargate task every 15 minutes
C. Create an Amazon EventBridge rule to filter events from CloudTrail if a role was created without CloudFormation Specify the SNS topic as the target of the EventBridge rule.
D. Create an AWS Lambda function to filter events from CloudTrail if a role was created without CloudFormation Configure the Lambda function to publish to the SNS topic. Create an Amazon EventBridge schedule to invoke the Lambda function every 15 minutes

Answer: C

Explanation:
EventBridge (formerly CloudWatch Events) is the ideal service for real-time event monitoring.
CloudTrail logs IAM role creation.
EventBridge rules can filter CloudTrail events and trigger SNS notifications instantly.

NEW QUESTION # 77
A company hosts its application on AWS. The application runs on an Amazon Elastic Container Service (Amazon ECS) cluster that uses AWS Fargate. The cluster runs behind an Application Load Balancer The application stores data in an Amazon Aurora database A developer encrypts and manages database credentials inside the application The company wants to use a more secure credential storage method and implement periodic credential rotation.
Which solution will meet these requirements with the LEAST operational overhead?

A. Migrate the credentials to AWS Secrets Manager. Encrypt the credentials by using an AWS Key Management Service (AWS KMS) key Turn on secret rotation Use 1AM policies and roles to grant Amazon ECS Fargate permissions to access to AWS Secrets Manager by using keys.
B. Migrate the secret credentials to Amazon RDS parameter groups. Encrypt the parameter by using an AWS Key Management Service (AWS KMS) key Turn on secret rotation. Use 1AM policies and roles to grant AWS KMS permissions to access Amazon RDS.
C. Migrate the credentials to ECS Fargate environment variables. Encrypt the credentials by using an AWS Key Management Service (AWS KMS) key Turn on secret rotation. Use 1AM policies and roles to grant Amazon ECS Fargate permissions to access to AWS Secrets Manager.
D. Migrate the credentials to AWS Systems Manager Parameter Store. Encrypt the parameter by using an AWS Key Management Service (AWS KMS) key. Turn on secret rotation. Use 1AM policies and roles to grant Amazon ECS Fargate permissions to access to AWS Secrets Manager

Answer: A

Explanation:
* Secrets Management: AWS Secrets Manager is designed specifically for storing and managing sensitive credentials.
* Built-in Rotation: Secrets Manager provides automatic secret rotation functionality, enhancing security posture significantly.
* IAM Integration: IAM policies and roles grant fine-grained access to ECS Fargate, ensuring the principle of least privilege.
* Reduced Overhead: This solution centralizes secrets management and automates rotation, reducing operational overhead compared to the other options.

NEW QUESTION # 78
A developer creates an AWS Lambda function that is written in Jav
a. During testing, the Lambda function does not work how the developer expected. The developer wants to use tracing capabilities to troubleshoot the problem.
Which AWS service should the developer use to accomplish this goal?

A. AWS CloudTrail
B. Amazon CloudWatch
C. AWS Trusted Advisor
D. AWS X-Ray

Answer: D

NEW QUESTION # 79
Given the source code for an AWS Lambda function in the local file store.py containing a handler function called getstore and the following AWS CloudFormation template:
Transform: AWS::Serverless-2016-10-31
Resources:
StoreFunc:
Type: AWS::Serverless::Function
Properties:
Handler: store.getstore
Runtime: python3.13
What should be done to prepare the template so that it can be deployed using the AWS CLI command aws cloudformation deploy?

A. Use aws cloudformation package to upload the source code to an Amazon S3 bucket and produce a modified CloudFormation template.
B. Use aws cloudformation compile to base64 encode and embed the source file into a modified CloudFormation template.
C. Use aws lambda zip to package the source file together with the CloudFormation template and deploy the resulting .zip archive.
D. Use aws serverless create-package to embed the source file directly into the existing CloudFormation template.

Answer: A

Explanation:
For CloudFormation or AWS SAM templates that reference local artifacts, the source code must be uploaded to Amazon S3 before CloudFormation can deploy it. The aws cloudformation package command scans the template for local artifacts, uploads those artifacts to an S3 bucket, and outputs a modified template that references the S3 object locations. That packaged template can then be deployed with aws cloudformation deploy. There is no standard aws cloudformation compile, aws lambda zip, or aws serverless create-package command for this workflow. The Transform: AWS::Serverless-2016-10-31 declaration means SAM resources are being transformed through CloudFormation, but local code artifacts still need packaging. AWS documentation describes aws cloudformation package as the command for uploading local artifacts referenced by a CloudFormation template to S3. ( AWS Documentation )

NEW QUESTION # 80
A developer created several AWS Lambda functions that write data to a single Amazon S3 bucket. The developer configured all the Lambda functions to send logs and metrics to Amazon CloudWatch.
The developer receives reports that one of the Lambda functions writes data to the bucket very slowly. The developer needs to measure the latency between the problematic Lambda function and the S3 bucket.
Which solution will meet this requirement?

A. Enable CloudWatch Lambda Insights on the function. View the latency graph that CloudWatch Lambda Insights provides.
B. Query the Lambda function's log file in Amazon CloudWatch Logs Insights. Return the average of the auto-discovered ©duration field.
C. Enable AWS X-Ray on the Lambda function. In the generated trace map. select the line between Lambda and Amazon S3.
D. Enable AWS X-Ray on the Lambda function. Select Amazon S3 in the latency graph to view the latency histogram.

Answer: C

NEW QUESTION # 81
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