An Application Is Running on a Cluster of Amazon EC2

Multiple Choice

An application is running on a cluster of Amazon EC2 instances. While trying to read objects stored within a single Amazon S3 bucket that are encrypted with server-side encryption with AWS KMS managed keys (SSE-KMS) , the application receives the following error: Which combination of steps should be taken to prevent this failure? (Choose two.)

A) Contact AWS Support to request an AWS KMS rate limit increase.
B) Perform error retries with exponential backoff in the application code.
C) Contact AWS Support to request a S3 rate limit increase.
D) Import a customer master key (CMK) with a larger key size.
E) Use more than one customer master key (CMK) to encrypt S3 data.