An administrator plans to enable session linger in a Citrix XenApp 6.5 farm.
What will be the impact on the user experience?

A.
Sessions will remain in an idle state until the user relaunches it.

B.
Sessions will be disconnected then logged off in the background.

C.
Sessions will start automatically when a user logs on to the farm.

D.
Sessions will remain alive for a configurable period before termination.