A Company Is Planning to Migrate an Existing High Performance

A company is planning to migrate an existing high performance computing (HPE) solution to the AWS Cloud. The existing solution consists of a 12-node cluster running Linux with high speed interconnectivity developed on a single rack. A solutions architect needs to optimize the performance of the HPE cluster. Which combination of steps will meet these requirements? (Choose two.)

A) Deploy instances across at least three Availability Zones.
B) Deploy Amazon EC2 instances in a placement group.
C) Use Amazon EC2 instances that support Elastic Fabric Adapter (EFA) .
D) Use Amazon EC2 instances that support burstable performance.
E) Enable CPU hyperthreading.