An administrator needs to delete an External Network. When the administrator right-clicks the
External Network and selects Delete, the following error is displayed:
Entity ExternalNetwork cannot be deleted, because it is in use.
What should the administrator remove to allow the operation to successfully complete?

A.
the connected vSphere Port Group

B.
the connected Edge Gateway

C.
the public IP addresses

D.
the connected VLAN-backed network pool