Which two Citrix policy templates should the engineer use to accomplish this scenario?

Scenario: A Citrix Engineer needs to configure a baseline Citrix policy for a new user group in the XenApp and XenDesktop environment. The users are connecting from branch offices over a WAN connection.

The NetScaler SD-WANs are supporting each of the WAN connections. The users are connecting to Windows Server 2012 R2 published desktops. The primary objective of the policies is to utilize the WAN link bandwidth as optimally as possible.

Which two Citrix policy templates should the engineer use to accomplish this scenario? (Choose two.)
A . High Server Scalability
B . Optimized for CloudBridge
C . Optimized for WAN-Legacy OS
D . Optimized for WAN
E . High Server Scalability-Legacy OS

Answer: AD