Q145. A large IT company has an on-premise website which provides real-estate information such as renting house prices and latest news to users. The website has a Java backend and a NoSQL MongoDB database that is used to store subscribers data. You are a cloud analyst and need to migrate the whole application to AWS platform. Your manager requires that a similar structure should be deployed in AWS for high availability. Moreover a tracing framework is essential which can record data from both the client request and the downstream
Call to the database in AWS. Which AWS services should you choose to implement the migration? Select 3 Options.
A.Deploy an autoscaling group of Java backend servers to provide high availability B.Use RDS Aurora as the database for the subscriber data because it is highly available and can scale up to 15 Read Replicas. C.Create a DynamoDB database to hold subscriber data. Set up an autoscaling policy for the read/write throughput. D.Use AWS X-Ray SDK to record data about incoming and outgoing requests. View the statistics graph in X-Ray console. E.Trace the requests using AWS JAVA SDK and send logs to AWS CloudWatch Events.Create a CloudWatch dashboard to view the statistics.正确答案ACD
