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Amazon DVA-C02 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: 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 2: Security	26%	- Data security 1. Encryption using AWS KMS 2. Secure API access patterns - Application authentication and authorization 1. IAM roles and policies 2. Cognito user authentication
Topic 3: Development with AWS Services	32%	- Application development and integration 1. Event-driven architectures with SNS/SQS 2. API Gateway and REST APIs - AWS core services development 1. Amazon S3 usage in applications 2. AWS Lambda functions development 3. Amazon DynamoDB integration patterns
Topic 4: 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

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Amazon AWS Certified Developer - Associate Sample Questions (Q861-Q866):

NEW QUESTION # 861
A company is providing read access to objects in an Amazon S3 bucket for different customers. The company uses 1AM permissions to restrict access to the S3 bucket. The customers can access only their own files.
Due to a regulation requirement, the company needs to enforce encryption in transit for interactions with Amazon S3.
Which solution will meet these requirements?

A. Add a bucket policy to the S3 bucket to deny S3 actions when the aws:SecureTransport condition is equal to false.
B. Add a bucket policy to the S3 bucket to deny S3 actions when the s3:x-amz-acl condition is equal to public-read.
C. Add an 1AM policy to the 1AM users to enforce the usage of the AWS SDK.
D. Add an 1AM policy to the 1AM users that allows S3 actions when the s3:x-amz-acl condition is equal to bucket-owner-read.

Answer: A

NEW QUESTION # 862
A company is building a content authoring application. The application has multiple user groups, such as content creator, reviewer, approver, and administrator. The company needs to assign users fine-grained permissions for specific parts of the application.
The company needs a solution to configure, maintain, and analyze user permissions. The company wants a solution that can be easily adapted to work with newer applications in the future. The company must use a third-party OpenID Connect (OIDC) identity provider (IdP) to authenticate users.

A. Configure the application to check user permissions upon request. Configure the application logic to manage user permissions.
B. Use Amazon Verified Permissions to set up user permissions. Integrate Verified Permissions with a third-party IdP. Configure the application to request authorization decisions from Verified Permissions.
C. Configure an Amazon Cognito identity pool for the application. Use the identity pool identities within the application to manage user permissions.
D. Set up an IAM role for each user group. Assign users appropriate IAM roles. Configure the application to determine appropriate permissions for each user based on the user's IAM role.

Answer: B

Explanation:
Comprehensive Detailed Explanation with all AWS Reference
Why Option C is Correct:
Amazon Verified Permissions provides fine-grained access control capabilities, making it ideal for managing complex user permissions. It integrates with OIDC IdPs for authentication and allows applications to request authorization decisions dynamically. It is also easily adaptable to newer applications.
Why Other Options are Incorrect:
Option A: Cognito identity pools do not natively support fine-grained permission analysis or management.
Option B: Managing permissions in application logic adds significant operational overhead.
Option D: IAM roles are not designed for application-specific fine-grained access control and are more suitable for resource-level permissions.
AWS Documentation Reference:
Amazon Verified Permissions

NEW QUESTION # 863
A developer is designing a serverless application for a game in which users register and log in through a web browser. The application makes requests on behalf of users to a set of AWS Lambda functions that run behind an Amazon API Gateway HTTP API.
The developer needs to implement a solution to register and log in users on the application's sign-in page. The solution must minimize operational overhead and must minimize ongoing management of user identities.
Which solution will meet these requirements?

A. Create an Amazon RDS for SQL Server DB instance to store the users and manage the permissions to the backend resources in AWS.
B. Create Amazon Cognito user pools for external social identity providers. Configure IAM roles for the identity pools.
C. Program the sign-in page to create users' IAM groups with the IAM roles attached to the groups.
D. Configure the sign-in page to register and store the users and their passwords in an Amazon DynamoDB table with an attached IAM policy.

Answer: B

NEW QUESTION # 864
A company receives food orders from multiple partners. The company has a microservices application that uses Amazon API Gateway APIs with AWS Lambda integration. Each partner sends orders by calling a customized API that is exposed through API Gateway. The API call invokes a shared Lambda function to process the orders.
Partners need to be notified after the Lambda function processes the orders. Each partner must receive updates for only the partner's own orders. The company wants to add new partners in the future with the fewest code changes possible.
Which solution will meet these requirements in the MOST scalable way?

A. Create one Amazon Simple Notification Service (Amazon SNS) topic. Subscribe all partners to the SNS topic.
B. Create a different Amazon Simple Notification Service (Amazon SNS) topic for each partner.
Configure the Lambda function to publish messages for each partner to the partner's SNS topic.
C. Create a different Lambda function for each partner. Configure the Lambda function to notify each partner's service endpoint directly.
D. Create an Amazon Simple Notification Service (Amazon SNS) topic. Configure the Lambda function to publish messages with specific attributes to the SNS topic. Subscribe each partner to the SNS topic. Apply the appropriate filter policy to the topic subscriptions.

Answer: D

Explanation:
https://docs.aws.amazon.com/sns/latest/dg/sns-message-filtering.html

NEW QUESTION # 865
A developer needs to deploy an application in three AWS Regions by using AWS CloudFormation. Each Region will use an AWS Elastic Beanstalk environment with an Application Load Balancer (ALB). The developer wants to use AWS Certificate Manager (ACM) to deploy SSL certificates to each ALB.
Which solution will meet these requirements?

A. Create a certificate in ACM in each Region. Import the certificate into the ALB for each Region.
B. Create a certificate in ACM in any one of the Regions. Import the certificate into the ALB that is in each Region.
C. Create a global certificate in ACM. Update the CloudFormation template to deploy the global certificate to each ALB.
D. Create a certificate in ACM in the us-east-1 Region. Update the CloudFormation template to deploy the certificate to each ALB.

Answer: A

Explanation:
https://docs.aws.amazon.com/elasticloadbalancing/latest/application/create-https-listener.html

NEW QUESTION # 866
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