What should the solutions architect do to ensure that the architecture supports distributed session data management?

A solutions architect is designing the architecture of a new application being deployed to the AWS Cloud. The application will run on Amazon EC2 On-Demand Instances and will automatically scale across multiple Availability Zones. The EC2 instances will scale up and down frequently throughout the day An Application Load Balancer (ALB) will handle the load distribution. The architecture needs to support distributed session data management. The company is willing to make changes to code if needed.

What should the solutions architect do to ensure that the architecture supports distributed session data management?
A . Use Amazon ElastiCache to manage and store session data
B . Use session affinity (sticky sessions) of the ALB to manage session data.
C . Use Session Manager from AWS Systems Manager to manage the session
D . Use the GetSessionToken API operation in AWS Security Token Service (AWS STS) to manage the session

Answer: A