Which three steps should a Citrix Administrator take to customize the NetScaler Gateway logon page? (Choose three.)

A.
Select Custom within UI Theme.

B.
Create customization changes under /nsconfig.

C.
Create a tar package of the customization files.

D.
Add a copy command to rc.netscaler file within /nsconfig.

E.
Create customization changes under /var/ns_gui_custom/ns_gui/vpn.