Scenario: A Citrix Engineer is administering a Citrix Virtual Apps and Desktops environment consisting of multiple zones, including a Primary zone and two Satellite zones. Both the Primary and Satellite zones contain just a single Delivery Controller. Recently, the Virtual Delivery Agent (VDA) machines in the Primary zone experienced failures with registration, resulting in many users being unable to access resources for several days.
With minimal administrative effort, the engineer should add a second Delivery Controller to ___________ to prevent this issue from occurring.

A Citrix Engineer can use ___________ and ___________ to optimize the performance of Windows workloads.

Scenario: A Citrix Engineer has recently implemented Citrix Gateway in a Citrix Virtual Apps and Desktops environment. The engineer has done the testing with the test user account for authentication and enumeration of the published resources.
During the authentication at Citrix Gateway, the test user is getting the error ''403 - Forbidden:
Access is denied."
Which two configuration steps are causing this error? (Choose two.)

Which two statements are true regarding the creation of OS Layers with Citrix App Layering? (Choose two.)

Which three pre-requisites should a Citrix Engineer take into consideration when configuring Smart Card authentication in the Citrix Virtual Apps and Desktops environment? (Choose three.)