[Cost and Performance Optimization] A company is planning to host an application on a set of Amazon EC2 instances that are distributed across…

"Network Load Balancer is optimized to handle sudden and volatile traffic patterns while using a

single static IP address per Availability Zone."

https://aws.amazon.com/elasticloadbalancing/network-load-balancer/

For an application that must scale to millions of requests per second and requires a single static IP

address for each Availability Zone, a Network Load Balancer (NLB) is the most suitable option. NLBs

are designed for high-performance, low-latency networking, and they support static IP addresses for

each Availability Zone, making it ideal for volatile traffic patterns. Option D is the correct choice. AWS

provides extensive documentation on NLB capabilities and configurations that suit these

requirements AWS Network Load Balancer.