A company stores data in an Amazon S3 bucket. The data is updated multiple times every day from an application that runs on a server in the company’s on-premises data center.The company enables S3 Versioning on the S3 bucket. After some time, the company observes multiple versions of the same objects in the S3 bucket.The company needs the S3 bucket to keep the current version of each object and the version immediately previous to the current version.Which solution will meet these requirements?
A company has an application that runs on Amazon EC2 instances. The application needs to use dynamic feature flags that will be shared with other applications. The application must poll on an interval for new feature flag values. The values must be cached when they are retrieved.Which solution will meet these requirements in the MOST operationally efficient way?
A developer is designing an event-driven architecture. An AWS Lambda function that processes data needs to push processed data to a subset of four consumer Lambda functions. The data must be routed based on the value of one field in the data.Which solution will meet these requirements with the LEAST operational overhead?
A developer built an application that uses AWS Lambda functions to process images. The developer wants to improve image processing times throughout the day.The developer needs to create an Amazon CloudWatch Logs Insights query that shows the average, slowest, and fastest processing time in 1-minute intervals.Which query will meet these requirements?
A company uses two AWS accounts: production and development. The company stores data in an Amazon S3 bucket that is in the production account. The data is encrypted with an AWS Key Management Service (AWS KMS) customer managed key. The company plans to copy the data to another S3 bucket that is in the development account.A developer needs to use a KMS key to encrypt the data in the S3 bucket that is in the development account. The KMS key in the development account must be accessible from the production account,Which solution will meet these requirements?
A developer is building an application that stores sensitive user data. The application includes an Amazon CloudFront distribution and multiple AWS Lambda functions that handle user requests.The user requests contain over 20 data fields. Each application transaction contains sensitive data that must be encrypted. Only specific parts of the application need to have the ability to decrypt the data.Which solution will meet these requirements?