A Citrix Administrator needs to update a master image to deliver an updated application to Desktop OS machines.
Which steps should the administrator take next to complete the update of the Desktop OS machines?

A.
Update the master image, then update the Delivery Group.

B.
Update a Desktop OS machine, then update the Delivery Group.

C.
Update the master image, then update the session machine catalog.

D.
Update a Desktop OS machine, then update the session machine catalog.