Which two configurations can the deployment professional use to achieve this?

A system is configured with two IBM Security Access Manager (ISAM) V9.0 reverse proxy servers behind a load balancer, and it is planned to use forms-based user authentication. It is a requirement that if a reverse proxy were to fail, users that were already logged in would not be required to log in again.

Which two configurations can the deployment professional use to achieve this? (Choose two.)
A . Configure the system to use LTPA cookies
B . Configure the system to use session cookies
C . Configure the system to use failover cookies
D . Configure the system to use the global signon (GSO) cache
E . Configure the system to use the Distributed Session Cache (DSC)

Answer: BE