Which three of these are sources used when the router is configured for URL filtering?

Which three of these are sources used when the router is configured for URL filtering? (Choose
three.)

A.
Websense URL filter

B.
AAA server downloadable ACLs

C.
ASA URL filter feature set

D.
Trend Micro cloud-based URL filter service

E.
locally configured filter rules on the router

F.
Cisco SenderBase URL filtering service