What should a solutions architect do to meet these requirements?

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A gaming company has multiple Amazon EC2 instances in a single Availability Zone for its multiplayer game that communicates with users on Layer 4.The chief technology officer (CTO) wants to make the architecture highly available and cost-effective.

What should a solutions architect do to meet these requirements?

(Choose two.)?

Increase the number of EC2 instances.

Decrease the number of EC2 instances.

Configure a Network Load Balancer in front of the EC2 instances.

Configure an Application Load Balancer in front of the EC2 instances.

Configure an Auto Scaling group to add or remove instances in multiple Availability Zones automatically.

Explanations:

Increasing the number of EC2 instances in a single Availability Zone does not enhance high availability.

Decreasing the number of EC2 instances would reduce capacity and availability.

A Network Load Balancer can distribute traffic across instances, enhancing availability and performance.

An Application Load Balancer operates at Layer 7, while the requirement specifies Layer 4 communication.

An Auto Scaling group across multiple Availability Zones ensures high availability and cost-effectiveness by automatically adjusting capacity.

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