Why must an unmanaged desktop be registered with View Connection Server before it can be
added to a pool?

A.
because the View Composer will not be able to create linked clones in the pool

B.
because the desktop must be known to vCenter Server to be seen by the Connection Server

C.
because the View Connection Server must remotely install View Agent before adding the
desktop to the pool

D.
because the View Connection Server must know the FQDN or IP address of the desktop before
it can add it as a source