A company has created an online retail application that is hosted on a fleet of Amazon EC2 instances behind an ELB Application Load Balancer. User authentication is handled at the individual EC2 instance level. Once a user is authenticated; all requests from that user must go to the same EC2 instance. What should the SysOps Administrator enable to meet these requirements?
A) ELB TCP listeners
B) ELB sticky sessions
C) ELB connection draining
D) ELB cross-zone load balancing

Question

Quizplus · Accepted Answer

Sticky sessions (also known as session affinity) should be enabled to ensure that once a user is authenticated, all subsequent requests from that user are directed to the same EC2 instance.

A Company Has Created an Online Retail Application That Is