When hosting Citrix Virtual Apps and Desktops on the Citrix Cloud platform, the ___________ Layer is always managed by Citrix. (Choose the correct option to complete the sentence.)

Scenario: A Citrix Administrator ran the Get-BrokerSite PowerShell command on the primary Delivery Controller to obtain overview information of the infrastructure.
The administrator received the error as shown in the exhibit.
Click on the Exhibit button to view the error.

Why did the administrator receive this PowerShell error?

Scenario: A Citrix Administrator has made changes to the Citrix ADC, deleting parts of the configuration, and then saved the new configurations. The changes caused an outage which needs to be resolved as quickly as possible. There is no Citrix ADC backup.
What does the administrator need to do to recover the configuration quickly?

Which two options would provide an end-to-end encryption of data, while allowing the Citrix ADC to optimize the responses? (Choose two.)

Scenario: Users are calling the help desk because they are unable to launch published applications. The users mention the sessions are opening and immediately closing; however, a Citrix Administrator observes that more than 150 sessions are already being delivered.
Which tool can the administrator use to review the state of the Citrix infrastructure from a single location?