A Solutions Architect Is Designing an Architecture for a New

A solutions architect is designing an architecture for a new application that requires low network latency and high network throughput between Amazon EC2 instances. Which component should be included in the architectural design?

A) An Auto Scaling group with Spot Instance types.
B) A placement group using a cluster placement strategy.
C) A placement group using a partition placement strategy.
D) An Auto Scaling group with On-Demand instance types.