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Amazon DVA-C02 certification exam is designed for individuals who want to become an AWS Certified Developer - Associate. AWS Certified Developer - Associate certification is considered one of the most in-demand certifications in the cloud computing industry due to the increasing demand for AWS developers. AWS Certified Developer - Associate certification exam tests the candidate's skills in developing and maintaining applications on the AWS platform.

To become a certified AWS Developer Associate, candidates must pass the DVA-C02 exam, which consists of 65 multiple-choice and multiple-response questions. DVA-C02 Exam is timed at 130 minutes, and candidates must score at least 720 out of 1000 to pass. AWS Certified Developer - Associate certification is valid for two years, and candidates are required to recertify to maintain their status. AWS Certified Developer - Associate certification is recognized globally and is highly valued by employers, making it a valuable asset for developers looking to enhance their career prospects in the cloud computing industry.

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Amazon DVA-C02 (AWS Certified Developer - Associate) Certification Exam is a valuable credential for professionals who want to specialize in developing and deploying applications on AWS. DVA-C02 exam covers a range of topics related to AWS development, including core services, application services, security, best practices, and troubleshooting. AWS Certified Developer - Associate certification is recognized globally and can help professionals advance their careers and increase their earning potential.

Amazon AWS Certified Developer - Associate Sample Questions (Q323-Q328):

NEW QUESTION # 323
An ecommerce company is planning to migrate an on-premises Microsoft SQL Server database to the AWS Cloud. The company needs to migrate the database to SQL Server Always On availability groups. The cloud- based solution must be highly available.
Which solution will meet these requirements?

A. Migrate the database to Amazon RDS for SQL Server. Configure a Multi-AZ deployment and read replicas.
B. Deploy three Amazon EC2 instances with SQL Server across three Availability Zones. Attach one Amazon Elastic Block Store (Amazon EBS) volume to the EC2 instances.
C. Deploy three Amazon EC2 instances with SQL Server across three Availability Zones. Use Amazon FSx for Windows File Server as the storage tier.
D. Deploy three Amazon EC2 instances with SQL Server across three Availability Zones. Use Amazon S3 as the storage tier.

Answer: C

Explanation:
Comprehensive Detailed Explanation with all AWS References
* Why Option C is Correct:SQL Server Always On availability groups require a shared storage solution. Amazon FSx for Windows File Server provides the shared storage necessary to implement Always On availability groups in a highly available configuration.
* Why Other Options are Incorrect:
* Option A: A single EBS volume cannot provide shared storage for Always On availability groups.
* Option B: RDS does not support SQL Server Always On availability groups.
* Option D: S3 is not a suitable storage tier for SQL Server database operations.
* AWS Documentation References:
* Amazon FSx for Windows File Server

NEW QUESTION # 324
A developer is testing a new file storage application that uses an Amazon CloudFront distribution to serve content from an Amazon S3 bucket. The distribution accesses the S3 bucket by using an origin access identity (OAI). The S3 bucket's permissions explicitly deny access to all other users.
The application prompts users to authenticate on a login page and then uses signed cookies to allow users to access their personal storage directories. The developer has configured the distribution to use its default cache behavior with restricted viewer access and has set the origin to point to the S3 bucket. However, when the developer tries to navigate to the login page, the developer receives a 403 Forbidden error.
The developer needs to implement a solution to allow unauthenticated access to the login page. The solution also must keep all private content secure.
Which solution will meet these requirements?

A. Add a second cache behavior to the distribution with the same origin as the default cache behavior. Set the path pattern for the second cache behavior to *, and make viewer access restricted. Change the default cache behavior's path pattern to the path of the login page, and make viewer access unrestricted.
B. Add a second cache behavior to the distribution with the same origin as the default cache behavior. Set the path pattern for the second cache behavior to the path of the login page, and make viewer access unrestricted. Keep the default cache behavior's settings unchanged.
C. Add a bucket policy to the S3 bucket to allow read access. Set the resource on the policy to the Amazon Resource Name (ARN) of the login page object in the S3 bucket. Add a CloudFront function to the default cache behavior to redirect unauthorized requests to the login page's S3 URL.
D. Add a second origin as a failover origin to the default cache behavior. Point the failover origin to the S3 bucket. Set the path pattern for the primary origin to *, and make viewer access restricted. Set the path pattern for the failover origin to the path of the login page, and make viewer access unrestricted.

Answer: B

Explanation:
Explanation
The solution that will meet the requirements is to add a second cache behavior to the distribution with the same origin as the default cache behavior. Set the path pattern for the second cache behavior to the path of the login page, and make viewer access unrestricted. Keep the default cache behavior's settings unchanged. This way, the login page can be accessed without authentication, while all other content remains secure and requires signed cookies. The other options either do not allow unauthenticated access to the login page, or expose private content to unauthorized users.

NEW QUESTION # 325
A developer works for a company that only has a single pre-production AWS account with an AWS CloudFormation AWS Serverless Application Model (AWS SAM) stack. The developer made changes to an existing AWS Lambda function specified in the AWS SAM template and additional Amazon Simple Notification service (Amazon SNS) topics.
The developer wants to do a one-time deploy of the changes to test if the changes are working.
The developer does not want to impact the existing pre-production application that is currently being used by other team members as part of the release pipeline.
Which solution will meet these requirements?

A. Use the AWS SAM CLI to package and deploy the SAM application to a new AWS account designated for a development environment.
B. Use the AWS SAM CLI to package and deploy the SAM application to the pre-production AWS account. Specify the debug parameter.
C. Update the CloudFormation stack in the pre-production account. Add a separate stage that points to a new AWS account designated for a development environment.
D. Use the AWS SAM CLI to package and create a change set against the pre-production AWS account. Execute the change set in a new AWS account designated for a development environment.

Answer: A

NEW QUESTION # 326
A developer is configuring an applications deployment environment in AWS CodePipeine. The application code is stored in a GitHub repository. The developer wants to ensure that the repository package's unit tests run in the new deployment environment. The deployment has already set the pipeline's source provider to GitHub and has specified the repository and branch to use in the deployment.
When combination of steps should the developer take next to meet these requirements with the least the LEAST overhead' (Select TWO).

A. Create an AWS CodeCommt project. Add the repository package's build and test commands to the protects buildspec
B. Add an action to the source stage. Specify the newly created project as the action provider. Specify the build attract as the actions input artifact.
C. Add a new stage to the pipeline alter the source stage. Add an action to the new stage. Speedy the newly created protect as the action provider. Specify the source artifact as the action's input artifact.
D. Create an AWS CodeDeploy protect. Add the repository package's build and test commands to the project's buildspec
E. Create an AWS CodeBuid project. Add the repository package's build and test commands to the projects buildspec

Answer: C,E

Explanation:
Explanation
This solution will ensure that the repository package's unit tests run in the new deployment environment with the least overhead because it uses AWS CodeBuild to build and test the code in a fully managed service, and AWS CodePipeline to orchestrate the deployment stages and actions. Option A is not optimal because it will use AWS CodeCommit instead of AWS CodeBuild, which is a source control service, not a build and test service. Option C is not optimal because it will use AWS CodeDeploy instead of AWS CodeBuild, which is a deployment service, not a build and test service. Option D is not optimal because it will add an action to the source stage instead of creating a new stage, which will not follow the best practice of separating different deployment phases.
References: AWS CodeBuild, AWS CodePipeline

NEW QUESTION # 327
A company has a social media application that receives large amounts of traffic. User posts and interactions are continuously updated in an Amazon RDS database. The data changes frequently, and the data types can be complex. The application must serve read requests with minimal latency.
The application's current architecture struggles to deliver these rapid data updates efficiently. The company needs a solution to improve the application's performance.
Which solution will meet these requirements?

A. Set up Amazon S3 Transfer Acceleration on the RDS database to enhance the speed of data transfer from the databases to the application.
B. Create an Amazon ElastiCache for Redis cluster. Update the application code to use a write- through caching strategy and read the data from Redis.
C. Use Amazon DynamoDB Accelerator (DAX) in front of the RDS database to provide a caching layer for the high volume of rapidly changing data.
D. Add an Amazon CloudFront distribution in front of the RDS database to provide a caching layer for the high volume of rapidly changing data.

Answer: B

Explanation:
https://docs.aws.amazon.com/whitepapers/latest/database-caching-strategies-using- redis/caching-patterns.html

NEW QUESTION # 328
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Amazon AWS Certified Developer - Associate Sample Questions (Q323-Q328):

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