How should an Citrix administrator deliver applications from two departmental XenApp farms into a single XenDestop virtual machine?

A Citrix Administrator plans to use Provisioning Services to provision server OS machines and desktop OS machines that boot from vDisks.
Which two components are required in order to provision the machines? (Choose two.)

Scenario: A Citrix Administrator provisions 50 server OS machines to host applications. The administrator assigns a delivery group to the machine catalog
containing the server OS machines.
When viewing the delivery group in Citrix Studio, the administrator discovers that one of the server OS machines is unregistered.
Which two actions should the administrator take to resolve this issue? (Choose two.)

Which file should a Citrix Administrator edit to configure log settings on the StoreFront server?

Scenario: Users who connect through the NetScaler are receiving the following error after they log on with their username and password:
Http/1.1 Internal Server Error 29
A Citrix Administrator checks the status of the NetScaler and does NOT find any alerts on the System Log.
Which server could be causing this error?

Scenario: A Citrix Administrator is modifying a vDisk. The administrator finishes making changes to the vDisk and promotes it to production. Now, only one machine
is working with the new vDisk. In which access mode should the administrator put the vDisk so that multiple target devices can boot from this vDisk?

A Citrix Administrator creates an external network in a XenServer deployment; however, virtual machines connected to the newly created external network CANNOT
communicate with other devices on the same subnet as the XenServer host.
The virtual machines are unable to communicate with devices on the same subnet as the XenServer host because __________ or __________. (Choose the two
correct options to complete the sentence.)

Scenario: External users are experiencing issues connecting to Intranet applications through NetScaler. Clientless Access is disabled.
Which action should a Citrix Administrator take to investigate the cause of this issue?

Which administrative role can manage catalogs and build virtual desktops?

Scenario: A Citrix Administrator receives instructions to reallocate XenDesktop licenses. After the administrator downloads the license file, users are unable to
connect to the desktops.
Why are users unable to connect to the desktops?