Which command can a Citrix Engineer use to get information about a Citrix Virtual Apps and Desktops setup?

Which command should a Citrix Engineer use to review recent connections and brokering attempts within a Citrix Virtual Apps and Desktops site?

Scenario: A Citrix Engineer recently changed the XML port in the Citrix Virtual Apps and Desktops site.
After the change, the engineer observed that there is an XML communication port mismatch. The engineer immediately identified that the port was only changed on the Delivery Controller and no change was performed on the StoreFront server.
What are the two ways the engineer can change the port on the StoreFront server to match the changes made on the Delivery Controller? (Choose two.)

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

Scenario: A Citrix Engineer recently took over a multi-zone environment with one Primary zone in New York and two Secondary zones in San Francisco and Orlando respectively. The New York zone has two Delivery Controllers, San Francisco has one Delivery Controller, and the Orlando zone has two Delivery Controllers.
The engineer received alerts that the Orlando zone Delivery Controllers were down.
Where will the Orlando zone Virtual Delivery Agent (VDA) machines register?