Keeping the default settings for conferencing resources can lead to toll fraud, because the default settings allow conferences to do which of these?

A.
include both on-net and off-net attendees

B.
be created between attendees that are all off-net

C.
continue if all on-net attendees have left the call

D.
continue if only one on-net attendee remains on the call

Explanation:
Incorrect answer : ABD
Explanation : Call clasification route pattern can be used to prevent toll fraud by prohibiting off-net to off-net call transfers or by tearing down a conference bridge when no on-net parties are present Reference : Cisco Unified Communications System Release 8.x SRND, page-411