Your Company Has Placement Groups in Two Different Availability Zones

Multiple Choice

Your company has placement groups in two different availability zones. There is a large project coming up and, although resilience is important, cost and speed are the most important factors. The servers in each placement group need to be able to achieve the highest speed possible. How can this be achieved?

A) Create AMIs from all of the instances, terminate them, and deploy them all into one placement group.
B) In the CLI, run the command "aws ec2 set-placement-group 1 " for all of the instances.
C) Duplicate the VPC, peer the new VPC, create AMIs of the instances, terminate them, and redeploy them in two separate placement groups between the two VPCs.
D) Peer the two placement groups using AWS PG Peering.