A company wants to launch a group of Amazon EC2 instances that need to communicate with each other with the lowest possible latency.
Which combination of actions should a SysOps administrator take when launching these instances? (Choose two.)

A. Launch instances in different VPCs with a VPN tunnel.
B. Launch instances in different VPCs with VPC peering enabled.
C. Launch instances in a cluster placement group.
D. Launch instances in a spread placement group.
E. Launch instances with enhanced networking enabled.