Q185. A company is operating a large customer service call center and stores and processes call recordings with a custom application Approximately 2% of the call recording are transcribed by an offshore team for quality assurance purposes. These recordings take days. The company uses Linux servers for processing the call recording and managing the transcription queue. There is also a web application for the quality assurance staff to review and score call recordings. The company plans to migrate the system to AWS to reduce storage costs and the time required to transcribe calls.Which set of actions should be taken to meet the company's objectives?
A.Upload the call recording to Amazon S3 from the call center. Set up an S3 lifecycle policy to move the call recordings to Amazon S3 Glacier after 90 days. Use an AWS Lambda trigger to transcribe the call recordings with Amazon Transcribe. Use Amazon S3 Amazon API Gateway and Lambda to host the review and scoring application. B.Upload the call recordings to Amazon S3 from the call center. Set up an S3 lifecycle policy to move the call recordings to Amazon S3 Glacier after 90 days. Use an AWS Lambda trigger to transcribe the call recordings with Amazon Mechanical trunk. Use Amazon EC2 instances in an Auto Scaling group behind an Application Balancer to host the review and scoring application. C.Use Amazon EC2 instances in an Auto Scaling group behind an Application Load Balancer to host the review and scoring application. Upload the call recordings to this application from the call center and store them on an Amazon EFS mount point. Use AWS Backup to archive the call recording after 90 days. Transcribe the call recordings with Amazon Transcribe. D.Upload the call recording to Amazon S3 from the call center and put the object key in an Amazon SQS queue. Set up an S3 lifecycle policy to move the call recordings to Amazon S3 Glacier after 90 days.Use Amazon EC2 instances in the queue as the scaling metric. Use Amazon S3 Amazon API Gateway and AWS Lambda to host the review and scoring application.正确答案A