Greg is creating rules and objects to control VoIP traffic in his organization, through a VPN-1 NGX Security Gateway. Greg creates VoIP Domain SIP objects to represent each of his organization’s three SIP gateways. Greg then creates a simple group to contain the VoIP Domain SIP objects. When Greg attempts to add the VoIP Domain SIP objects to the group, they are not listed. What is the problem?
A.
The related end-points domain specifies an address range.
B.
VoIP Domain SIP objects cannot be placed in simple groups.
C.
The installed VoIP gateways specify host objects.
D.
The VoIP gateway object must be added to the group, before the VoIP Domain SIP object is eligible to be added to the group.
E.
The VoIP Domain SIP object’s name contains restricted characters.