A gaming application is deployed on four Amazon EC2 instances in a default VPC. The SysOps Administrator has noticed consistently high latency in responses as data is transferred among the four instances. There is no way for the Administrator to alter the application code. The MOST effective way to reduce latency is to relaunch the EC2 instances in:
A) a dedicated VPC.
B) a single subnet inside the VPC.
C) a placement group.
D) a single Availability Zone.

Question

Quizplus · Accepted Answer

Using a placement group allows EC2 instances to be placed in close proximity to each other, which can significantly reduce network latency and improve performance for applications that require high throughput and low latency.

A Gaming Application Is Deployed on Four Amazon EC2 Instances