Which service on the StoreFront server is responsible for replication of user subscriptions?

A Citrix Engineer needs to return an environment back to normal operations after a Disaster Recovery (DR) occurred.
Which two tasks does Citrix recommend to move the users from the backup datacenter to the primary datacenter? (Choose two.)

Which delegated administrator permission does a Citrix Engineer need to select to allow an administrator the ability to allocate resources to users and groups?

Which two statements are true when Citrix App Layering is used with Citrix Virtual Apps and Desktops?
(Choose two.)

Which file is used to store a subscription on the Storefront server?