Which Distributed Session Cache option should be checked?

The Distributed Session Cache has been enabled to replace the Session Management Server in a recently migrated IBM Security Access Manager V9.0 environment. Several Reverse Proxies have not yet been migrated from ISAM V7.0. The help desk is now receiving user complaints due to multiple logins required for applications protected by the ISAM V7.0 Reverse Proxies.

Which Distributed Session Cache option should be checked?
A . enable_sms-functionality
B . provide_700_attribute_ids
C . Replicate certificate databases
D . Support internal and external clients

Answer: C