A Company Runs a High Performance Computing (HPC) Workload on AWS

Multiple Choice

A company runs a high performance computing (HPC) workload on AWS. The workload required low-latency network performance and high network throughput with tightly coupled node-to-node communication. The Amazon EC2 instances are properly sized for compute and storage capacity, and are launched using default options. What should a solutions architect propose to improve the performance of the workload?

A) Choose a cluster placement group while launching Amazon EC2 instances.
B) Choose dedicated instance tenancy while launching Amazon EC2 instances.
C) Choose an Elastic Inference accelerator while launching Amazon EC2 instances.
D) Choose the required capacity reservation while launching Amazon EC2 instances.