A company has a multi-node Windows legacy application that runs on premises. The application uses a network shared folder as a centralized configuration repository to store configuration files in .xml format. The company is migrating the application to Amazon EC2 instances. As part of the migration to AWS, a developer must identify a solution that provides high availability for the repository.
Which solution will meet this requirement MOST cost-effectively?

• A.Mount an Amazon Elastic Block Store (Amazon EBS) volume onto one of the EC2 instances. Deploy a file system on the EBS volume. Use the host operating system to share a folder. Update the application code to read and write configuration files from the shared folder.
• B.Deploy a micro EC2 instance with an instance store volume. Use the host operating system to share a folder. Update the application code to read and write configuration files from the shared folder.
• C.Create an Amazon S3 bucket to host the repository. Migrate the existing .xml files to the S3 bucket.
  Update the application code to use the AWS SDK to read and write configuration files from Amazon S3.
• D.Create an Amazon S3 bucket to host the repository. Migrate the existing .xml files to the S3 bucket.
  Mount the S3 bucket to the EC2 instances as a local volume. Update the application code to read and write configuration files from the disk.

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A company has a multi-node Windows legacy application that runs on premises. The application uses a network shared folder as a centralized configuration repository to store configuration files in .xml format. The company is migrating the application to Amazon EC2 instances. As part of the migration to AWS, a developer must identify a solution that provides high availability for the repository.
Which solution will meet this requirement MOST cost-effectively?

• A.Mount an Amazon Elastic Block Store (Amazon EBS) volume onto one of the EC2 instances. Deploy a file system on the EBS volume. Use the host operating system to share a folder. Update the application code to read and write configuration files from the shared folder.
• B.Deploy a micro EC2 instance with an instance store volume. Use the host operating system to share a folder. Update the application code to read and write configuration files from the shared folder.
• C.Create an Amazon S3 bucket to host the repository. Migrate the existing .xml files to the S3 bucket.
  Update the application code to use the AWS SDK to read and write configuration files from Amazon S3.
• D.Create an Amazon S3 bucket to host the repository. Migrate the existing .xml files to the S3 bucket.Mount the S3 bucket to the EC2 instances as a local volume. Update the application code to read and write configuration files from the disk.

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A company is planning to securely manage one-time fixed license keys in AWS. The company's development team needs to access the license keys in automaton scripts that run in Amazon EC2 instances and in AWS CloudFormation stacks.
Which solution will meet these requirements MOST cost-effectively?

• A.Amazon S3 with encrypted files prefixed with "config"
• B.AWS Secrets Manager secrets with a tag that is named SecretString
• C.AWS Systems Manager Parameter Store SecureString parameters
• D.CloudFormation NoEcho parameters

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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 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.
• B.Create one Amazon Simple Notification Service (Amazon SNS) topic. Subscribe all partners to the 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.

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A developer is creating an application that will store personal health information (PHI). The PHI needs to be encrypted at all times. An encrypted Amazon RDS for MySQL DB instance is storing the data. The developer wants to increase the performance of the application by caching frequently accessed data while adding the ability to sort or rank the cached datasets.
Which solution will meet these requirements?

• A.Create an Amazon ElastiCache for Redis instance. Enable encryption of data in transit and at rest.
  Store frequently accessed data in the cache.
• B.Create an Amazon ElastiCache for Memcached instance. Enable encryption of data in transit and at rest. Store frequently accessed data in the cache.
• C.Create an Amazon RDS for MySQL read replica. Connect to the read replica by using SSL. Configure the read replica to store frequently accessed data.
• D.Create an Amazon DynamoDB table and a DynamoDB Accelerator (DAX) cluster for the table. Store frequently accessed data in the DynamoDB table.

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